egg shell

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Top Publications

  1. ncbi The influence of dietary boron supplementation on egg quality and serum calcium, inorganic phosphorus, magnesium levels and alkaline phosphatase activity in laying hens
    M Eren
    Faculty of Veterinary Medicine, Department of Biochemistry, University of Erciyes, Sümer Mah Bariş Manço Cad 38090 Kayseri, Turkey
    Res Vet Sci 76:203-10. 2004
  2. ncbi Effects of a dried Bacillus subtilis culture on egg quality
    L Li
    College of Animal Science and Technology, China Agricultural University, Beijing, PR China 214036 corrected
    Poult Sci 85:364-8. 2006
  3. pmc Gene expression profiling to identify eggshell proteins involved in physical defense of the chicken egg
    Vincent Jonchère
    Institut National de la Recherche Agronomique, UR83 Recherches Avicoles, Nouzilly, France
    BMC Genomics 11:57. 2010
  4. ncbi Proteomic analysis of the chicken egg vitelline membrane
    Karlheinz Mann
    Max Planck Institut fur Biochemie, Abteilung Proteomics und Signaltransduktion, Martinsried, Germany
    Proteomics 8:2322-32. 2008
  5. ncbi Na(+)-K(+)-ATPase gene expression in the avian eggshell gland: distinct regulation in different cell types
    I Lavelin
    Institute of Animal Sciences, Agricultural Research Organization, The Volcani Center, Bet Dagan 50250, Israel
    Am J Physiol Regul Integr Comp Physiol 281:R1169-76. 2001
  6. ncbi Eggshell colour does not predict measures of maternal investment in eggs of Turdus thrushes
    Phillip Cassey
    Centre for Ornithology, School of Biosciences, Birmingham University, Birmingham, UK
    Naturwissenschaften 95:713-21. 2008
  7. pmc Variability in avian eggshell colour: a comparative study of museum eggshells
    Phillip Cassey
    Centre for Ornithology, School of Biosciences, University of Birmingham, Birmingham, United Kingdom
    PLoS ONE 5:e12054. 2010
  8. pmc An EAV-HP insertion in 5' Flanking region of SLCO1B3 causes blue eggshell in the chicken
    Zhepeng Wang
    National Engineering Laboratory for Animal Breeding and Key Laboratory of Animal Genetics, Breeding, and Reproduction of the Ministry of Agriculture, China Agricultural University, Beijing, China
    PLoS Genet 9:e1003183. 2013
  9. ncbi Polymorphisms in eggshell organic matrix genes are associated with eggshell quality measurements in pedigree Rhode Island Red hens
    I C Dunn
    The Roslin Institute and R D SVS, University of Edinburgh, Roslin, Midlothian EH25 9PS, UK
    Anim Genet 40:110-4. 2009
  10. ncbi Mapping of quantitative trait loci affecting eggshell quality on chromosome 9 in an F(2) intercross between two chicken lines divergently selected for eggshell strength
    H Takahashi
    Animal Breeding and Reproduction Research Team, National Institute of Livestock and Grassland Science, Tsukuba, Ibaraki 305 0901, Japan
    Anim Genet 40:779-82. 2009

Research Grants

Detail Information

Publications249 found, 100 shown here

  1. ncbi The influence of dietary boron supplementation on egg quality and serum calcium, inorganic phosphorus, magnesium levels and alkaline phosphatase activity in laying hens
    M Eren
    Faculty of Veterinary Medicine, Department of Biochemistry, University of Erciyes, Sümer Mah Bariş Manço Cad 38090 Kayseri, Turkey
    Res Vet Sci 76:203-10. 2004
    ..Boron changed the interior and exterior quality of eggs. In particular, high level of B supplementation reduced live weight, feed consumption and egg production and changed some blood metabolites...
  2. ncbi Effects of a dried Bacillus subtilis culture on egg quality
    L Li
    College of Animal Science and Technology, China Agricultural University, Beijing, PR China 214036 corrected
    Poult Sci 85:364-8. 2006
    ..05). However, excessive doses of B. subtilis culture did not improve the performance of layers...
  3. pmc Gene expression profiling to identify eggshell proteins involved in physical defense of the chicken egg
    Vincent Jonchère
    Institut National de la Recherche Agronomique, UR83 Recherches Avicoles, Nouzilly, France
    BMC Genomics 11:57. 2010
    ..An extensive bioinformatic analysis on genes over-expressed in the uterus allowed us to identify novel eggshell proteins that contribute to the egg's natural defenses...
  4. ncbi Proteomic analysis of the chicken egg vitelline membrane
    Karlheinz Mann
    Max Planck Institut fur Biochemie, Abteilung Proteomics und Signaltransduktion, Martinsried, Germany
    Proteomics 8:2322-32. 2008
    ..The list of VM proteins presented in this report is by far the most comprehensive dataset available at present and complements proteomic analyses of chicken egg compartments published previously...
  5. ncbi Na(+)-K(+)-ATPase gene expression in the avian eggshell gland: distinct regulation in different cell types
    I Lavelin
    Institute of Animal Sciences, Agricultural Research Organization, The Volcani Center, Bet Dagan 50250, Israel
    Am J Physiol Regul Integr Comp Physiol 281:R1169-76. 2001
    ....
  6. ncbi Eggshell colour does not predict measures of maternal investment in eggs of Turdus thrushes
    Phillip Cassey
    Centre for Ornithology, School of Biosciences, Birmingham University, Birmingham, UK
    Naturwissenschaften 95:713-21. 2008
    ....
  7. pmc Variability in avian eggshell colour: a comparative study of museum eggshells
    Phillip Cassey
    Centre for Ornithology, School of Biosciences, University of Birmingham, Birmingham, United Kingdom
    PLoS ONE 5:e12054. 2010
    ..Here we use an extensive museum collection to address these problems directly, and to test how diversity in eggshell coloration is distributed among different phylogenetic levels of the class Aves...
  8. pmc An EAV-HP insertion in 5' Flanking region of SLCO1B3 causes blue eggshell in the chicken
    Zhepeng Wang
    National Engineering Laboratory for Animal Breeding and Key Laboratory of Animal Genetics, Breeding, and Reproduction of the Ministry of Agriculture, China Agricultural University, Beijing, China
    PLoS Genet 9:e1003183. 2013
    ....
  9. ncbi Polymorphisms in eggshell organic matrix genes are associated with eggshell quality measurements in pedigree Rhode Island Red hens
    I C Dunn
    The Roslin Institute and R D SVS, University of Edinburgh, Roslin, Midlothian EH25 9PS, UK
    Anim Genet 40:110-4. 2009
    ..The marker effects are as large as 17% of trait standard deviations and could be used to improve eggshell quality...
  10. ncbi Mapping of quantitative trait loci affecting eggshell quality on chromosome 9 in an F(2) intercross between two chicken lines divergently selected for eggshell strength
    H Takahashi
    Animal Breeding and Reproduction Research Team, National Institute of Livestock and Grassland Science, Tsukuba, Ibaraki 305 0901, Japan
    Anim Genet 40:779-82. 2009
    ..Marker-assisted selection based on these QTL could be used to develop strategies for reducing the breakage and cracking of eggs in commercial layer houses...
  11. ncbi Expression of TRPV6 and CaBP-D28k in the egg shell gland (uterus) during the oviposition cycle of the laying hen
    J h Yang
    Institute for Agri food Standards and Testing Technology, Shanghai Academy of Agricultural Sciences, 1 Weigang, Nanjing, Shanghai, China
    Br Poult Sci 54:398-406. 2013
    ..was to investigate the localisation of the transient receptor potential vanilloid channel type 6 (TRPV6) in egg shell gland (ESG) and examine the dynamic expression of TRPV6 and Calbindin-d28k (CaBP-D28k), as well as the changes ..
  12. ncbi Influence of egg shell embryonic incubation temperature and broiler breeder flock age on posthatch growth performance and carcass characteristics
    R Hulet
    Department of Poultry Science, 222 Henning Bldg, Penn State University, University Park, PA 16802, USA
    Poult Sci 86:408-12. 2007
    ..No significant differences in mortality were observed. Posthatch performance appears to be affected by hatcher environment as determined by embryo shell temperature...
  13. ncbi A study on eggshell pigmentation: biliverdin in blue-shelled chickens
    R Zhao
    College of Animal Science and Technology, China Agricultural University, Beijing 100094, P R China
    Poult Sci 85:546-9. 2006
    ..01). Our results demonstrated that blood is not the biosynthesis site of the shell biliverdin. Biliverdin is most likely synthesized in the shell gland and then deposited onto the eggshell of chickens...
  14. ncbi Prevalence of antibodies to Mycoplasma synoviae in laying hens and possible effects on egg shell quality
    V C Gole
    School of Animal and Veterinary Science, University of Adelaide, Roseworthy, South Australia 5371, Australia
    Prev Vet Med 106:75-8. 2012
    ..randomly collected, out of these 30 eggs were used for ELISA and remaining 30 eggs were used to estimate various egg shell quality parameters. Subsequently, association between the serological status of eggs for M...
  15. ncbi Effects of egg shell quality and washing on Salmonella Infantis penetration
    - Samiullah
    Animal Science, School of Environmental and Rural Science, University of New England, Armidale, NSW 2351, Australia
    Int J Food Microbiol 165:77-83. 2013
    ..are washed prior to packing to remove dirt and fecal material and to reduce the microbial contamination of the egg shell. The egg contents can be an ideal growth medium for microorganisms which can result in human illness if eggs are ..
  16. ncbi Determination of serum triglyceride by enzyme electrode using covalently immobilized enzyme on egg shell membrane
    Jagriti Narang
    Biochemistry Research Laboratory, Department of Biochemistry, M D University, Rohtak 124001, India
    Int J Biol Macromol 47:691-5. 2010
    A mixture of commercial lipase, glycerol kinase and glycerol-3-phosphate oxidase was co-immobilized onto egg shell membrane through covalent coupling...
  17. ncbi Expression and activity analysis reveal that heme oxygenase (decycling) 1 is associated with blue egg formation
    Z P Wang
    National Engineering Laboratory for Animal Breeding and the Key Laboratory of Animal Genetics and Breeding of the Ministry of Agriculture, China Agricultural University, Beijing, 100193, China
    Poult Sci 90:836-41. 2011
    ....
  18. ncbi Digital preparation of a probable neoceratopsian preserved within an egg, with comments on microstructural anatomy of ornithischian eggshells
    Amy M Balanoff
    Division of Paleontology, American Museum of Natural History, Central Park West at 79th Street, New York, NY 10024, USA
    Naturwissenschaften 95:493-500. 2008
    ..The addition of an embryo also adds another important data point to the already impressive postnatal ontogenetic series that are available for this clade...
  19. ncbi Sodium and anion transport across the avian uterine (shell gland) epithelium
    Alisen E Vetter
    Cardiac Rhythm Management, Medtronic Corporation, 7000 Central Avenue NE, Minneapolis, MN 55432, USA
    J Exp Biol 208:479-86. 2005
    ..Electrogenic Cl(-) and HCO(3)(-) transport were coupled under basal and cAMP stimulated conditions and basal anion transport decreased with age and during molting...
  20. ncbi Evaluation of eggshell quality of hens infected with Salmonella enteritidis by application of compression
    J Guard-Bouldin
    US Department of Agriculture, Agricultural Research Service, Egg Safety and Quality Research Unit, Athens, Georgia 30605, USA
    Poult Sci 85:129-35. 2006
    ..These results suggest that there may be supportive approaches to achieve reduction of S. enteritidis in table eggs that do not rely on culturing...
  21. ncbi Expression of positional candidates for shell thickness in the chicken
    A A Sazanov
    Institute of Farm Animal Genetics and Breeding, Russian Academy of Agricultural Science, Moskovskoye sh 55A, St Petersburg, Pushkin 196601, Russia
    Poult Sci 86:202-5. 2007
    ..These data suggested that CR523443 was a candidate gene for QTL ST53 in the chicken...
  22. ncbi Mapping of quantitative trait loci affecting quality and production traits in egg layers
    M Tuiskula-Haavisto
    Animal Production Research, Animal Breeding, MTT Agrifood Research Finland, Jokioinen
    Poult Sci 81:919-27. 2002
    ..The most significant QTL explains 25.8% of the phenotypic variance in F2 of body weight. An area affecting the age at first egg, egg weight, and the number of eggs was located on chromosome Z...
  23. ncbi A novel route for synthesis of nanocrystalline hydroxyapatite from eggshell waste
    D Siva Rama Krishna
    Department of Metallurgical and Materials Engineering, Indian Institute of Technology Madras, Chennai, India
    J Mater Sci Mater Med 18:1735-43. 2007
    ..The in vitro dissolution study shows longer stability in phosphate buffer and cell culture test using osteoblast cells establishes biocompatibility of OHA...
  24. ncbi Bone formation with various bone graft substitutes in critical-sized rat calvarial defect
    Jin Woo Park
    Department of Periodontology, School of Dentistry, Kyungpook National University, Daegu, South Korea
    Clin Oral Implants Res 20:372-8. 2009
    ..We compared N-HA alone or in combination with calcium sulfate (CS), with a commercial bone substitute, anorganic bovine bone (Bio-Oss, BO)...
  25. ncbi Relationship between eggshell strength and keratan sulfate of eggshell membranes
    Young Wan Ha
    Natural Products Research Institute, College of Pharmacy, Seoul National University, 28 Yeonkun dong, Jongno Ku, Seoul 110 460, Republic of Korea
    Comp Biochem Physiol A Mol Integr Physiol 147:1109-15. 2007
    ..985, p<0.0005). These results suggest that eggshell strength is proportional to the KS content of eggshell membranes with an increase of eggshell weight...
  26. ncbi Enzymatic and microbiological inhibitory activity in eggshell membranes as influenced by layer strains and age and storage variables
    G Ahlborn
    Department of Food Science, North Carolina State University, Raleigh, North Carolina 27695, USA
    Poult Sci 84:1935-41. 2005
    ..Based on these and other findings, ESM may have potential commercial value as a processing adjuvant in food and pharmaceutical product applications...
  27. ncbi Structure-property relationships of a biopolymer network: the eggshell membrane
    Fernando G Torres
    Department of Mechanical Engineering, Catholic University of Peru, Lima 32, Peru
    Acta Biomater 6:3687-93. 2010
    ..This study helps elucidate the properties of the biopolymer networks found in nature and describes important mechanical properties for the use of the ESM as a biomaterial...
  28. ncbi Resorption kinetics of eggshell: an in vivo study
    L Dupoirieux
    Laboratoire de Recherche Chirurgicale, Institut de Biologie, 4 Boulevard Henri IV, 34000 Montpellier, France
    J Craniofac Surg 12:53-8. 2001
    ..In conclusion, eggshell is a resorbable implant, but the degradation kinetic is size dependent. Large ostrich grafts are also suitable as onlay graft, but a complementary osteosynthesis is recommended to enhance osteointegration...
  29. ncbi Improved physical and biochemical features of a collagen membrane by conjugating with soluble egg shell membrane protein
    Tamao Ino
    Department of Applied Biological Science, Faculty of Agriculture, Tokyo University of Agriculture and Technology, Fuchu, Tokyo, Japan
    Biosci Biotechnol Biochem 70:865-73. 2006
    Soluble egg shell membrane protein (SEP) prepared from the egg shell membrane by performic acid oxidation and pepsin digestion was applied to prepare a membrane conjugated with pepsin-solubilized collagen (PSC) by cross-linking with ..
  30. ncbi [Hen's eggshell calcium]
    Yasunobu Masuda
    R and D Division, Q P Corporation, Japan
    Clin Calcium 15:95-100. 2005
    ..These results suggest that eggshell Ca could be beneficial for bone and we propose Ca fortified foods which contain eggshell Ca as a nutraceutical...
  31. pmc Tracking the fate of iron in early development of human blood flukes
    Malcolm K Jones
    Queensland Institute of Medical Research, Herston, QLD 4029, Australia
    Int J Biochem Cell Biol 39:1646-58. 2007
    ..These observations emphasise the importance of Fe in schistosome metabolism and egg formation and suggest new avenues for disruption of egg formation in these pathogenic parasites...
  32. ncbi Secretion pattern, ultrastructural localization and function of extracellular matrix molecules involved in eggshell formation
    M Soledad Fernandez
    Faculty of Veterinary and Animal Sciences, Universidad de Chile and Center for Advanced Interdisciplinary Research in Materials CIMA, Santiago, Chile
    Matrix Biol 19:793-803. 2001
    ....
  33. ncbi Purification and immunochemistry of a soluble matrix protein of the chicken eggshell (ovocleidin 17)
    M T Hincke
    Department of Anatomy and Neurobiology, University of Ottawa, Canada
    Calcif Tissue Int 56:578-83. 1995
    ..Our results indicate that this protein is secreted during shell formation and becomes incorporated into this structure. It may therefore play a role in the crystallization process and influence the properties of the resulting eggshell...
  34. ncbi Ovotransferrin is a matrix protein of the hen eggshell membranes and basal calcified layer
    J Gautron
    Station de Recherches Avicoles, Centre de Tours, INRA, Nouzilly, France
    Connect Tissue Res 42:255-67. 2001
    ....
  35. ncbi Disulfide-linked heterodimeric clusterin is a component of the chicken eggshell matrix and egg white
    Karlheinz Mann
    Max Planck Institut fur Biochemie, Martinsried D 82152, Germany
    Matrix Biol 22:397-407. 2003
    ....
  36. ncbi Proteomic analysis of the acid-soluble organic matrix of the chicken calcified eggshell layer
    Karlheinz Mann
    Max Planck Institut fur Biochemie, Abteilung für Proteomics und Signaltransduktion, Am Klopferspitz 18, D 82152 Martinsried, Germany
    Proteomics 6:3801-10. 2006
    ....
  37. ncbi New hypotheses on the function of the avian shell gland derived from microarray analysis comparing tissue from juvenile and sexually mature hens
    I C Dunn
    Roslin Institute and Royal Dick School of Veterinary Studies, University of Edinburgh, Roslin, Midlothian, Scotland EH25 9PS, UK
    Gen Comp Endocrinol 163:225-32. 2009
    ..These new hypotheses, if borne out experimentally, will lead to a greater understanding of shell gland function including the processes involved in eggshell formation and anti-microbial activity...
  38. ncbi Phosphoproteins of the chicken eggshell calcified layer
    Karlheinz Mann
    Max Planck Institute for Biochemistry, Department of Proteomics and Signal Transduction, Martinsried, Germany
    Proteomics 7:106-15. 2007
    ..Among the major phosphorylated proteins of the chicken eggshell matrix were osteopontin and the eggshell-specific proteins ovocleidin-17, ovocleidin-116, and ovocalyxin-32...
  39. pmc Minor proteins and enzymes of the Drosophila eggshell matrix
    Mazen Fakhouri
    Department of Cellular Biology and Anatomy, Medical College of Georgia, 1120 15th St, CB2915, Augusta, GA 30912, USA
    Dev Biol 293:127-41. 2006
    ..This work provides a framework for future molecular studies of eggshell assembly...
  40. ncbi Egg shell collagen formation in Caenorhabditis elegans involves a novel prolyl 4-hydroxylase expressed in spermatheca and embryos and possessing many unique properties
    Paivi Riihimaa
    Collagen Research Unit, Biocenter Oulu and Department of Medical Biochemistry, University of Oulu, FIN 90014 Oulu, Finland
    J Biol Chem 277:18238-43. 2002
    ..PHY-3 is thus likely to be involved in the synthesis of collagens in early embryos, probably of those in the egg shell.
  41. ncbi Identification and localization of lysozyme as a component of eggshell membranes and eggshell matrix
    M T Hincke
    Department of Cellular and Molecular Medicine, 451 Smyth Road, University of Ottawa, Ontario, K1H 8M5, Ottawa, Canada
    Matrix Biol 19:443-53. 2000
    ....
  42. ncbi Intraclutch variation in avian eggshell pigmentation: the anaemia hypothesis
    Greet De Coster
    Department of Biology, Terrestrial Ecology Unit, Ghent University, Ghent, Belgium
    Oecologia 170:297-304. 2012
    ..However, the overall increase in pigment darkness along the laying sequence suggests that pigments also accumulate by enhanced red blood cell production caused by anaemia due to egg production itself...
  43. ncbi Antimicrobial activity of the Anseriform outer eggshell and cuticle
    Olivier Wellman-Labadie
    Department of Biology, University of Ottawa, 30 Marie Curie, Ottawa, Ontario, Canada K1N 6N5
    Comp Biochem Physiol B Biochem Mol Biol 149:640-9. 2008
    ..Protein extracts from the cavity nesting hooded merganser were especially potent. The unique environmental pressures exerted on cavity-nesting species may have led to the evolution of potent antimicrobial defenses...
  44. ncbi Protein constituents of the eggshell: eggshell-specific matrix proteins
    Megan L H Rose
    Department of Cellular and Molecular Medicine, Faculty of Medicine, University of Ottawa, 451 Smyth Road, Ottawa, ON K1H8M5, Canada
    Cell Mol Life Sci 66:2707-19. 2009
    ..An emerging concept is the dual role (mineralization/antimicrobial protection) that certain eggshell matrix proteins can play...
  45. ncbi Low-density lipoprotein receptor-related protein 8 gene association with egg traits in dwarf chickens
    J F Yao
    National Engineering Laboratory for Animal Breeding and Department of Animal Genetics and Breeding, China Agricultural University, Beijing 100193, China
    Poult Sci 89:883-6. 2010
    ..The present results indicated that LRP8, as a new member of eggshell matrix protein, may be a candidate gene associated with eggshell traits...
  46. ncbi Photodynamic antimicrobial activity of avian eggshell pigments
    Shin ichi Ishikawa
    Department of Animal Science, School of Veterinary Medicine, Kitasato University, Towada, Aomori, Japan
    FEBS Lett 584:770-4. 2010
    ..Our results indicate the possibility that the natural pigments used therapeutically have evolved in nature as a defence system...
  47. ncbi Observations on Salmonella contamination of eggs from infected commercial laying flocks where vaccination for Salmonella enterica serovar Enteritidis had been used
    Robert Davies
    Department of Food and Environmental Safety, Veterinary Laboratories Agency Weybridge, Surrey, UK
    Avian Pathol 33:133-44. 2004
    ..6%) of vaccinated spent hens and 64/562 (11.4%) of bulked fresh faecal samples taken from laying houses. Failure to adequately clean and disinfect laying houses and to control mice appeared to be a common feature on the farms...
  48. ncbi Correlation of eggshell strength and Salmonella enteritidis contamination of commercial shell eggs
    D R Jones
    Egg Safety and Quality Research Unit, US Department of Agriculture, Agricultural Research Service, Athens, Georgia, USA
    J Food Prot 68:2035-8. 2005
    ..Further work with eggs that represent a greater range of shell strengths could provide a clearer indication of the interaction of shell strength and Salmonella Enteritidis contamination...
  49. ncbi Effect of vitamin D2- and D3-enriched diets on egg vitamin D content, production, and bird condition during an entire production period
    P Mattila
    MTT Agrifood Research Finland, Food Research, FIN 31600 Jokioinen, Finland
    Poult Sci 83:433-40. 2004
    ..However, especially vitamin D3 improved bone strength (P < 0.05). Autopsy at the end of the experiment indicated no detrimental accumulation of calcium in the kidneys, liver, heart, muscles, or lungs...
  50. ncbi Extent of variation within a laying flock: attainment of sexual maturity, double-yolked and soft-shelled eggs, sequence lengths and consistency of lay
    S A Johnston
    University of KwaZulu Natal, Pietermaritzburg, South Africa
    Br Poult Sci 48:609-16. 2007
    ..Furthermore, sequence length did not always decline in a regular fashion with advancing age. 3. The information gathered here has been used to develop a mechanistic, stochastic population model for laying hens...
  51. ncbi Effects of supplementary iodine on the performance and egg traits of laying hens
    S Yalcin
    Ankara University, Faculty of Veterinary Medicine, Department of Animal Nutrition, Ankara, Turkey
    Br Poult Sci 45:499-503. 2004
    ..8. As a result, the 3 and 6 mg/kg iodine supplementation of diet could be used to enrich the eggs with iodine without any adverse effect on performance and egg traits...
  52. ncbi Effects of supplementing broiler breeder diets with organic selenium and polyunsaturated fatty acids on egg quality during storage
    A C Pappas
    Avian Science Research Centre, Animal Health Group, Scottish Agricultural College, West Mains Road, Edinburgh, Scotland, UK
    Poult Sci 84:865-74. 2005
    ..Hatching egg quality during storage was affected by dietary PUFA and Se content, as well as broiler breeder age...
  53. ncbi Fertility and hatchability of eggs laid in the pullet-to-breeder transition period and in the initial production period
    Adriana Ayres Pedroso
    Department of Animal Science, Veterinary School, University of Goias, CP 131, 74001 970 Goiania, Goias, Brazil
    Anim Reprod Sci 90:355-64. 2005
    ..Results indicated the larger the egg, the heavier the chick and shell, and the lesser the shell percentage. As breeder age advanced, characteristics related to egg fertility and hatchability improved...
  54. ncbi Effects of dietary conjugated linoleic acid on the productivity of laying hens and egg quality during refrigerated storage
    X G Shang
    Animal Science and Technology College, China Agricultural University, Beijing, China
    Poult Sci 83:1688-95. 2004
    ..01) in the Na content of albumen with increasing CLA. This study suggests that the greater firmness of CLA-fed eggs might be related to the change of pH, water content, and ion concentrations during refrigerated storage...
  55. ncbi Effect of heat stress on production parameters and immune responses of commercial laying hens
    M M Mashaly
    Department of Poultry Production, Minofiya University, Egypt
    Poult Sci 83:889-94. 2004
    ..These results indicate that heat stress not only adversely affects production performance but also inhibits immune function...
  56. ncbi New approach of testing the effect of heat stress on eggshell quality: mechanical and material properties of eggshell and membrane
    H Lin
    Laboratory of Physiology and Immunology of Domestic Animals, Department of Animal Production, Katholic University Leuven, Heverlee, Belgium
    Br Poult Sci 45:476-82. 2004
    ..The decreased eggshell thickness and changed properties of shell membrane may be responsible, at least partially, for the decreased shell quality of eggs from heat-stressed hens...
  57. ncbi Identification of Enterobacteriaceae from washed and unwashed commercial shell eggs
    Michael T Musgrove
    Russell Research Center, 950 College Station Road, U S Department of Agriculture Agricultural Research Service, Athens, Georgia 30605, USA
    J Food Prot 67:2613-6. 2004
    ..Very few washed egg samples were contaminated with any of these bacteria. These data provide useful information on the effectiveness of processing in removing microorganisms from commercial shell eggs...
  58. ncbi Variations in external and internal microbial populations in shell eggs during extended storage
    D R Jones
    Russell Research Center, Poultry Processing and Meat Quality Research Unit, Agricultural Research Service, US Department of Agriculture, Athens, Georgia 30605, USA
    J Food Prot 67:2657-60. 2004
    ..Commercially washed eggs were significantly less contaminated than were unwashed eggs for the populations monitored...
  59. pmc Estimate of illnesses from Salmonella enteritidis in eggs, United States, 2000
    Carl M Schroeder
    Food Safety and Inspection Service, Office of Public Health Science, U S Department of Agriculture, 333 Aerospace Center, 1400 Independence Avenue SW, Washington, DC 20250 3700, USA
    Emerg Infect Dis 11:113-5. 2005
    ..Uncertainty about the estimate ranged from 81,535 (5th percentile) to 276,500 illnesses (95th percentile). Our model provides but 1 approach for estimating foodborne illness and quantifying estimate uncertainty...
  60. pmc Microbial health risk posed by table eggs in Trinidad
    A Adesiyun
    School of Veterinary Medicine, Faculty of Medical Sciences, University of the West Indies, St Augustine Campus, Trinidad and Tobago
    Epidemiol Infect 133:1049-56. 2005
    ..All 184 samples tested were negative for Listeria spp. Salmonella was recovered from seven (3.8%) egg shell samples only compared with 14 (7.6%) egg content samples only positive for the pathogen. Fifty-two (28...
  61. ncbi Bacterial isolation rate from fertile eggs, hatching eggs, and neonatal broilers with yolk sac infection
    Cecilia Rosario Cortés
    Departamento de Produccion Animal, Aves, FMVZ, UNAM, Circuito Exterior Ciudad Universitaria, Mexico DF
    Rev Latinoam Microbiol 46:12-6. 2004
    ..Bacterial contamination causing YSI in vertically integrated operations can occur at a latter stage. It can be considered that the main etiologic agent of YSI is E. coli, since YSI mortality was highly correlated with E. coli isolation...
  62. ncbi Identification of yeasts isolated from commercial shell eggs stored at refrigerated temperatures
    M T Musgrove
    Egg Safety and Quality Research Unit, U S Department of Agriculture, Agricultural Research Service, Russell Research Center, 950 College Station Road, Athens, Georgia 30605, USA
    J Food Prot 71:1258-61. 2008
    ..However, both systems were able to correctly identify C. famata, the species most often isolated throughout egg storage...
  63. ncbi Salmonella contamination in non-UK produced shell eggs on retail sale in some regions of England
    C L Little
    Health Protection Agency Centre for Infections, London, United Kingdom
    Euro Surveill 11:E061123.4. 2006
  64. ncbi Eggshell penetration of various types of hens' eggs by Salmonella enterica serovar Enteritidis
    Winy Messens
    Institute for Agricultural and Fisheries Research ILVO, Technology and Food Unit, Brusselsesteenweg 370, B 9090 Melle, Belgium
    J Food Prot 70:623-8. 2007
    ..Eggshell penetration was observed more frequently in the absence of cuticle spots and for eggs having lower dynamic stiffness values. Shell contamination at the end of storage was highly correlated with SE penetration...
  65. ncbi A mechanistic, stochastic, population model of egg production
    S A Johnston
    Faculty of Science and Agriculture, Animal and Poultry Science, School of Agricultural Sciences and Agribusiness, University of KwaZulu Natal, Scottsville, South Africa
    Br Poult Sci 48:224-32. 2007
    ..5. The model predicts egg production of a theoretical flock of laying hens for a full laying year, including random occurrences of double-yolked and soft-shelled eggs and internal ovulations...
  66. ncbi Penetration studies of propoxur and phoxim from eggshell into whole egg after experimental exposure and application in henhouses
    Sasithorn Limsuwan
    Institute for Food Toxicology, University of Veterinary Medicine Hannover, Foundation, Bischofsholer Damm 15, D 30173 Hannover, Germany
    J Agric Food Chem 55:6401-5. 2007
    ..These results suggest that eggshell contact with whole egg during egg cracking must be avoided to prevent pesticide carry-over...
  67. ncbi Effect of single or combined climatic and hygienic stress in four layer lines: 1. Performance
    L Star
    Adaptation Physiology Group, Wageningen Institute of Animal Sciences, Wageningen University, P O Box 338, 6700 AH Wageningen, The Netherlands
    Poult Sci 87:1022-30. 2008
    ..The effect of heat, LPS, or a combined challenge on feed intake, BW, hen-day egg production, egg weight, and egg shell thickness were investigated...
  68. ncbi Pathogen prevalence and microbial levels associated with restricted shell eggs
    D R Jones
    U S Department of Agriculture, Agricultural Research Service, Egg Safety and Quality Research Unit, Athens, Georgia 30605, USA
    J Food Prot 70:2004-7. 2007
    ..Although current pasteurization guidelines are based on Salmonella lethality, the results of this study reiterate the need to revisit the guidelines to determine the effectiveness for other pathogenic species...
  69. ncbi Effects of 6/85-strain Mycoplasma gallisepticum inoculation alone at ten weeks of age or in conjunction with F-strain Mycoplasma gallisepticum inoculation overlays at twenty-two or forty-five weeks of age on the performance of commercial egg-laying hens
    K A Viscione
    Department of Poultry Science, Mississippi State University, and Poultry Research Unit, Agricultural Research Service, USDA, Mississippi State, MS 39762, USA
    Poult Sci 87:588-93. 2008
    ....
  70. ncbi Differentially expressed transcripts in shell glands from low and high egg production strains of chickens using cDNA microarrays
    Kuo Tai Yang
    Department of Animal Science, National Chung Hsing University, 250 Kuo Kuang Road, Taichung, Taiwan
    Anim Reprod Sci 101:113-24. 2007
    ....
  71. ncbi Microcracks in eggs
    M M Bain
    Division of Cell Sciences, Institute of Comparative Medicine, University of Glasgow Veterinary School, G61 1QH, UK
    Poult Sci 85:2001-8. 2006
    ..Because the eggshell forms the first line of defense against potentially pathogenic microorganisms entering the egg contents, microcracks could potentially compromise egg safety...
  72. ncbi Effects of S6-strain Mycoplasma gallisepticum inoculation at ten, twenty-two, or forty-five weeks of age on the performance characteristics of commercial egg laying hens
    E Y Basenko
    Department of Poultry Science, Mississippi State University, Mississippi State University, 39762, USA
    Poult Sci 84:1663-70. 2005
    ..Alterations in eggshell quality in response to S6MG may become evident only in older birds that are experiencing declines in production when housed under controlled conditions...
  73. ncbi Melengestrol acetate as an effective alternative to induce a decline in egg production and reversible regression of the reproductive tract in laying hens. II. Effects on postmolt egg quality
    J M Koch
    Division of Animal and Veterinary Science, Davis College of Agriculture, Forestry and Consumer Sciences, West Virginia University Morgantown, West Virginia 26506, USA
    Poult Sci 84:1757-62. 2005
    ..When used as an alterative method to induce a rest, MGA leads to an increase in the internal and external egg quality of hens compared with nonmolted hens...
  74. ncbi Recovery of Salmonella from commercial shell eggs by shell rinse and shell crush methodologies
    M T Musgrove
    United States Department of Agriculture, Agricultural Research Service, Richard B Russell Agricultural Research Center, 950 College Station Road, Athens, Georgia 30605, USA
    Poult Sci 84:1955-8. 2005
    ..3%). For some eggs, Salmonella was only recovered by one of the methods. Use of both approaches in the same experiment increased sampling sensitivity, although in most cases, crushing provided more sensitive Salmonella recovery...
  75. ncbi A study on the interaction of xylanase and phytase enzymes in wheat-based diets fed to commercial white and brown egg laying hens
    F G Silversides
    Agassiz Research Centre, British Columbia, Canada
    Poult Sci 85:297-305. 2006
    ..These data suggest that poultry producers can use these enzymes individually or together in feed for the Brown and White egg layers used in this study without concern for the strain of hen...
  76. ncbi Effects of beak trimming and cage design on laying hen performance and egg quality
    V Guesdon
    Institut National de la Recherche Agronomique, Centre de Tours, Station de Recherches Avicoles, Nouzilly, France
    Br Poult Sci 47:1-12. 2006
    ....
  77. ncbi Effects of commercial enzyme preparations on egg and eggshell quality in laying hens
    J R Roberts
    Animal Science, School of Rural Science and Agriculture, University of New England, Armidale, NSW, Australia
    Br Poult Sci 47:501-10. 2006
    ..8. Yolk colour was lower than control for enzyme 3 in all diets and for enzyme 4 with the barley- and wheat-based diets. 9. Further investigation is required to elucidate the specific enzyme components that influence egg quality...
  78. ncbi Comparison of eggshell hygiene in two housing systems: standard and furnished cages
    S Mallet
    Institut National de la Recherche Agronomique, Centre de Tours, Station de Recherches Avicoles, Nouzilly, France
    Br Poult Sci 47:30-5. 2006
    ....
  79. ncbi Effect of type and level of fish oil supplementation on yolk fat composition and n-3 fatty acids retention efficiency in laying hens
    P Cachaldora
    COREN, Sociedad Cooperativa Galega, Ourense, Spain
    Br Poult Sci 47:43-9. 2006
    ..8. Regression equations were calculated in order to predict efficiency of retention and n-3 FA concentration of yolk fat in the range of diets studied...
  80. ncbi The impact of flucycloxuron on eggs weight kinetic and hematological parameters of chicken (Gallus domesticus)
    Rachid Rouabhi
    Cellular Toxicology Laboratory, Badj Mokhtar University, Annaba, 23000, Algeria
    Commun Agric Appl Biol Sci 72:143-50. 2007
    ..The obtained results confirm that the chosen biological model is good bio-indicator for eventual pollution and they are not far from pesticides toxicity...
  81. ncbi Effects of light intensity from photostimulation in four strains of commercial egg layers: 1. Ovarian morphology and carcass parameters
    R A Renema
    Department of Agricultural, Food, and Nutritional Science, University of Alberta, Edmonton, Canada
    Poult Sci 80:1112-20. 2001
    ..These data support the conclusion that with the development of highly specific genetic strains, it is increasingly important to match the environmental management practices to a particular hen's genotype...
  82. ncbi Effects of F-strain Mycoplasma gallisepticum inoculation at twelve weeks of age on performance and egg characteristics of commercial egg-laying hens
    M R Burnham
    Department of Poultry Science, Mississippi State University, Mississippi State 39762, USA
    Poult Sci 81:1478-85. 2002
    ..However, because significant FMG effects on these parameters were observed in only one trial, additional studies may be necessary to verify these effects...
  83. ncbi Effects of an S6 strain of Mycoplasma gallisepticum challenge before beginning of lay on various egg characteristics in commercial layers
    T A Parker
    Department of Biochemistry and Molecular Biology, Mississippi State University, Mississippi State 39762, USA
    Avian Dis 46:593-7. 2002
    ..This study shows that in the absence of environmental stressors a prelay S6 MG inoculation does not produce detrimental effects on layer hen performance...
  84. ncbi Re-evaluation of calcium and phosphorus requirements in aged laying hens
    A Bar
    Institute of Animal Science, Agricultural Research Organization, The Volcani Center, Bet Dagan, Israel
    Br Poult Sci 43:261-9. 2002
    ..5 g/kg (1.0 g/kg added inorganic P) appears to be sufficient for maintaining egg production and shell quality in aged laying hen given 36 to 40 g/kg Ca. 5. Increasing dietary Ca above 40 g/kg may require a higher dietary P content...
  85. ncbi Dietary interaction of 1,4-diaminobutane (putrescine) and calcium on eggshell quality and performance in laying hens
    S R Chowdhury
    Department of Animal and Poultry Science, University of Guelph, Ontario, Canada
    Poult Sci 81:84-91. 2002
    ..Eggshell quality improved when hens were fed 3.5% calcium diet in combination with 0.10% putrescine. It was concluded that small supplements of dietary putrescine may improve eggshell quality, depending on dietary calcium concentration...
  86. ncbi The effects of 6/85 live Mycoplasma gallisepticum vaccine in commercial layer hens over a 43-week laying cycle on egg production, selected egg quality parameters, and egg size distribution when challenged before beginning of lay
    S L Branton
    United States Department of Agriculture, Agricultural Research Service, South Central Poultry Research Laboratory, Mississippi State, MS 39762, USA
    Avian Dis 46:423-8. 2002
    ....
  87. ncbi Microbial contamination in inoculated shell eggs: I. Effects of layer strain and hen age
    D R Jones
    Department of Poultry Science, North Carolina State University, Raleigh 27695, USA
    Poult Sci 81:715-20. 2002
    ....
  88. ncbi Egg quality in furnished cages for laying hens--effects of crack reduction measures and hybrid
    H Wall
    Department of Animal Nutrition and Management, Swedish University of Agricultural Sciences, Uppsala
    Poult Sci 81:340-8. 2002
    ..Reduction of the bottom lining to 30% makes nests less attractive to birds laying eggs...
  89. ncbi Fatty acid composition and egg components of specialty eggs
    G Cherian
    Department of Animal Sciences, Oregon State University, Corvallis 97331 6702, USA
    Poult Sci 81:30-3. 2002
    ..The ratio of total n-6:n-3 polyunsaturated fatty acids ranged from 39.2 for SP5 to 11.5 for SP1 (P < 0.05). No difference was observed in the total polyunsaturated fatty acid content of eggs (P > 0.05)...
  90. ncbi Effects of dietary 1,4-diaminobutane (putrescine) on eggshell quality and laying performance of hens laying thin-shelled eggs
    S R Chowdhury
    Department of Animal Science and Poultry Science, University of Guelph, Ontario, Canada
    Poult Sci 80:1702-9. 2001
    ..This increase in polyamines might have caused improved eggshell quality by increasing calcium transport. It was concluded that 0.05% supplemental putrescine improved eggshell quality; however, higher levels proved to be toxic...
  91. ncbi Long-term effects of feeding flaxseed-based diets. 1. Egg production parameters, components, and eggshell quality in two strains of laying hens
    C Novak
    Department of Animal Science, University of Nebraska, Lincoln 68583-0908, USA
    Poult Sci 80:1480-9. 2001
    ..6%). Addition of flaxseed to the diet of laying hens did not have any adverse effects on egg production parameters, but flaxseed supplementation can significantly alter weight of yolk solids and yolk and albumen percentages...
  92. ncbi Effect of cholecalciferol-enriched hen feed on egg quality
    Pirjo Mattila
    Food Research, MTT Agrifood Research Finland, FIN 31600 Jokioinen, Finland
    J Agric Food Chem 51:283-7. 2003
    ..Moreover, the cholecalciferol levels used in this study appeared not to affect eggshell strength or to be harmful for hens...
  93. ncbi Production performance, serum/yolk cholesterol and immune competence of white leghorn layers as influenced by dietary supplementation with probiotic
    A K Panda
    Project Directorate on Poultry, Rajendranagar, Hyderabad 30, AP, India
    Trop Anim Health Prod 35:85-94. 2003
    ..The antibody titre was significantly higher in the groups supplemented with probiotic at 64 weeks of age. The addition of 100 mg/kg of probiotic in the diet significantly increased the CBH response at 64 weeks of age...
  94. ncbi Effect of hens fed dietary flaxseed with and without a fatty liver supplement on hepatic, plasma and production characteristics relevant to fatty liver haemorrhagic syndrome in laying hens
    B E Schumann
    Department of Animal and Poultry Science, University of Guelph, Guelph, Ontario, Canada
    Br Poult Sci 44:234-44. 2003
    ..This suggests that reducing the liver lipid content or feeding fatty liver supplements may not be as effective in controlling FLHS as controlling the size of the liver...
  95. ncbi An assessment of the microbiological risks involved with egg washing under commercial conditions
    M L Hutchison
    Direct Laboratories Ltd, Microbiological Research Division, Woodthorne, Wergs Road, Wolverhampton WV6 8TQ, UK
    J Food Prot 67:4-11. 2004
    ..Other washing machine parameters that were investigated did not significantly affect Salmonella entry into the egg contents but influenced shell surface kill levels to varying degrees...
  96. ncbi Microbial contamination in inoculated shell eggs: II. Effects of layer strain and egg storage
    D R Jones
    Department of Poultry Science, North Carolina State University, Raleigh, North Carolina 27695, USA
    Poult Sci 83:95-100. 2004
    ..Eggs from control strain 5 and the current commercial stock were more easily contaminated than the other strains. These data suggest that genetic selection has altered microbiological defenses of the eggs produced...
  97. ncbi Effects of the tricothecene mycotoxin diacetoxyscirpenol on egg production of broiler breeders
    J Brake
    Department of Poultry Science, College of Agriculture and Life Sciences, Campus Box 7608, North Carolina State University, Raleigh, North Carolina 27695 7608, USA
    Poult Sci 81:1807-10. 2002
    ..Short-term consumption of DAS at levels that might naturally occur appears to have little effect on broiler breeder egg production...
  98. ncbi Intestinal function and reproductive capacity of Tegel pullets in response to exogenous oestrogen
    A A Saki
    Department of Animal Science, Bou Ali Sina University, Hamadan, Iran
    Arch Tierernahr 56:237-44. 2002
    ..Oestrogen treatment, however, intensely enhanced the expression of calbindin D22K, although this was not quantified...
  99. ncbi Long-term effects of feeding flaxseed on performance and egg fatty acid composition of brown and white hens
    L D Bean
    Department of Poultry Science, University of Guelph, Guelph, Ontario N1G 2W1 Canada
    Poult Sci 82:388-94. 2003
    ..Both strains of birds fed flaxseed deposited significantly more n-3 fatty acids into their eggs. Sampling of livers at the end of the trial showed that hens fed flaxseed had a higher (P < 0.05) incidence of liver hemorrhages...
  100. ncbi Genetic variation for egg production, egg quality and bone strength in selected and traditional breeds of laying fowl
    P M Hocking
    Roslin Institute, Roslin, Midlothian, Scotland
    Br Poult Sci 44:365-73. 2003
    ..The results suggest that eggshell quality is maintained in genetically selected lines at the expense of bone strength and bone radiographic density...
  101. ncbi Supplementation of a corn-soybean meal diet with manganese, copper, and zinc from organic or inorganic sources improves eggshell quality in aged laying hens
    I Mabe
    Faculdade de Medicina Veterinaria e Zootecnia, Universidade de Sao Paulo, Pirassununga, São Paulo 13630 000, Brazil
    Poult Sci 82:1903-13. 2003
    ..The effect was observed regardless of the source of trace elements...

Research Grants8

  1. Function of Laccases in Anopheles gambiae
    Michael R Kanost; Fiscal Year: 2010
    ..1) Investigate the role of laccases in cuticle sclerotization, pigmentation, wound healing, and egg shell tanning...
  2. BIOCHEMISTRY OF EGG CHORION TANNING IN MOSQUITOES
    Jianyong Li; Fiscal Year: 1999
    ..of cuticular tanning, melanotic encapsulation defense reactions, wound healing, and the hardening of the egg shell in numerous groups of insects...
  3. Purchase of a MALDI-TOF-TOF Mass Spectrometer
    GREGORY WEISS; Fiscal Year: 2009
    ..c) Professor James: Mosquito egg shell proteins sequencing to study evolutionary divergence of Aedes and Anopheles mosquitoes and potentially a new ..
  4. VITAMIN D ACTION IN THE AVIAN SHELL GLAND
    WILLIAM COTY; Fiscal Year: 1980
    ..1,25-(OH)2 vit D and to assess the effect of vitamin D on the levels of two shell gland proteins implicated in egg shell formation: calcium binding protein (CaBP) and calcium-stimulated ATPase...
  5. OSTEOCLAST SPECIALIZATIONS IN BONE RESORPTION
    Scott Miller; Fiscal Year: 1980
    ..medullary bone of birds, osteoclasts are functionally synchronized depending on the need for calcium imposed by egg shell formation...
  6. Inhibins and Environmental Estrogens in Ovarian Disease
    Louis Guillette; Fiscal Year: 2007
    ..unreadable] [unreadable] [unreadable]..
  7. MSM: CR Multiscale analysis of epithelial patterning: m*
    Stanislav Shvartsman; Fiscal Year: 2007
    ..The project will bring together researchers in biology, engineering and mathematics in an interdisciplinary research program aimed at bringing about new understanding of EGFR system. ..
  8. Genome wide analysis and modeling of signal integration in the Drosophila ovary
    Stanislav Shvartsman; Fiscal Year: 2009
    ..Given the highly conserved nature of these signaling pathways, our results will provide quantitative insights into the mechanisms of signaling crosstalk in developing and adult tissues. ..