S C Ricke

Summary

Affiliation: Texas A and M University
Country: USA

Publications

  1. ncbi Alfalfa as a single dietary source for molt induction in laying hens
    K L Landers
    Department of Poultry Science, Texas A and M University, College Station, TX 77843, USA
    Bioresour Technol 96:565-70. 2005
  2. ncbi Salmonella enterica serovar Typhimurium hilA-lacZY fusion gene response to iron chelation or supplementation in rich and minimal media
    P Rishi
    Department of Microbiology, Punjab University, Chandigarh, India
    J Environ Sci Health B 39:861-70. 2004
  3. ncbi Comparison of spontaneous antibiotic resistance frequency of Salmonella Typhimurium growth in glucose amended continuous culture at slow and fast dilution rates
    W K Kim
    Department of Poultry Science, Texas A and M University College Station, Texas 77843 2472, USA
    J Environ Sci Health B 40:475-84. 2005
  4. ncbi Ovarian laying hen follicular maturation and in vitro Salmonella internalization
    Z R Howard
    Texas A and M University, Department of Poultry Science, Kleberg Center, Room 101, College Station, TX 77843 2472, USA
    Vet Microbiol 108:95-100. 2005
  5. ncbi Cultural and Immunological Detection Methods for Salmonella spp. in Animal Feeds - A Review
    K G Maciorowski
    Poultry Science Department, Texas A and M University, College Station, TX 77843 2472, USA
    Vet Res Commun 30:127-37. 2006
  6. ncbi Perspectives on the use of organic acids and short chain fatty acids as antimicrobials
    S C Ricke
    Department of Poultry Science, Texas A and M University, College Station, Texas 77843 2472, USA
    Poult Sci 82:632-9. 2003
  7. ncbi The gastrointestinal tract ecology of Salmonella enteritidis colonization in molting hens
    S C Ricke
    Department of Poultry Science, Texas A and M University, College Station, Texas 77843 2472, USA
    Poult Sci 82:1003-7. 2003
  8. ncbi Growth and fermentation responses of Selenomonas ruminantium to limiting and non-limiting concentrations of ammonium chloride
    S C Ricke
    Department of Poultry Science, Texas A and M University, College Station 77843 2472, USA
    Appl Microbiol Biotechnol 46:169-75. 1996
  9. ncbi Alternatives to antibiotics: chemical and physical antimicrobial interventions and foodborne pathogen response
    S C Ricke
    Department of Poultry Science, Texas A and M University, College Station, Texas 77843, USA
    Poult Sci 84:667-75. 2005
  10. doi The influence of a fructooligosaccharide prebiotic combined with alfalfa molt diets on the gastrointestinal tract fermentation, Salmonella enteritidis infection, and intestinal shedding in laying hens
    L M Donalson
    Department of Poultry Science, Texas A and M University, College Station, TX 77843 2472, USA
    Poult Sci 87:1253-62. 2008

Collaborators

Detail Information

Publications73

  1. ncbi Alfalfa as a single dietary source for molt induction in laying hens
    K L Landers
    Department of Poultry Science, Texas A and M University, College Station, TX 77843, USA
    Bioresour Technol 96:565-70. 2005
    ..Alfalfa, a fibrous feed with low metabolizable energy, may be provided to hens on an ad libitum basis for an effective molt induction that retains comparable egg quality and production...
  2. ncbi Salmonella enterica serovar Typhimurium hilA-lacZY fusion gene response to iron chelation or supplementation in rich and minimal media
    P Rishi
    Department of Microbiology, Punjab University, Chandigarh, India
    J Environ Sci Health B 39:861-70. 2004
    ..These results indicate that iron availability may influence S. Typhimurium hilA expression...
  3. ncbi Comparison of spontaneous antibiotic resistance frequency of Salmonella Typhimurium growth in glucose amended continuous culture at slow and fast dilution rates
    W K Kim
    Department of Poultry Science, Texas A and M University College Station, Texas 77843 2472, USA
    J Environ Sci Health B 40:475-84. 2005
    ..25 microg enrofloxacin at both slow and fast growth rates. In general, minimal susceptibility differences were detected for isolates from slow and fast dilution rates...
  4. ncbi Ovarian laying hen follicular maturation and in vitro Salmonella internalization
    Z R Howard
    Texas A and M University, Department of Poultry Science, Kleberg Center, Room 101, College Station, TX 77843 2472, USA
    Vet Microbiol 108:95-100. 2005
    ..Data suggest that Salmonella may differentially invade ovarian follicles depending on maturity of the follicle, and that SWF may be more susceptible to S. typhimurium and S. enteritidis invasion than either the SYF or the LYF...
  5. ncbi Cultural and Immunological Detection Methods for Salmonella spp. in Animal Feeds - A Review
    K G Maciorowski
    Poultry Science Department, Texas A and M University, College Station, TX 77843 2472, USA
    Vet Res Commun 30:127-37. 2006
    ..Advancements and improvements in both methodologies offer opportunities for eventual routine use of these detection technologies in animal feed assays...
  6. ncbi Perspectives on the use of organic acids and short chain fatty acids as antimicrobials
    S C Ricke
    Department of Poultry Science, Texas A and M University, College Station, Texas 77843 2472, USA
    Poult Sci 82:632-9. 2003
    ..This could lead to the development of more targeted strategies to control foodborne pathogens with organic acids...
  7. ncbi The gastrointestinal tract ecology of Salmonella enteritidis colonization in molting hens
    S C Ricke
    Department of Poultry Science, Texas A and M University, College Station, Texas 77843 2472, USA
    Poult Sci 82:1003-7. 2003
    ....
  8. ncbi Growth and fermentation responses of Selenomonas ruminantium to limiting and non-limiting concentrations of ammonium chloride
    S C Ricke
    Department of Poultry Science, Texas A and M University, College Station 77843 2472, USA
    Appl Microbiol Biotechnol 46:169-75. 1996
    ..Given the growth response of this ruminal bacterium, it is possible that maximization of ruminal bacterial yield may necessitate sacrificing the substrate degradation rate and vice versa...
  9. ncbi Alternatives to antibiotics: chemical and physical antimicrobial interventions and foodborne pathogen response
    S C Ricke
    Department of Poultry Science, Texas A and M University, College Station, Texas 77843, USA
    Poult Sci 84:667-75. 2005
    ....
  10. doi The influence of a fructooligosaccharide prebiotic combined with alfalfa molt diets on the gastrointestinal tract fermentation, Salmonella enteritidis infection, and intestinal shedding in laying hens
    L M Donalson
    Department of Poultry Science, Texas A and M University, College Station, TX 77843 2472, USA
    Poult Sci 87:1253-62. 2008
    ..Overall, given the similarities between hens fed 0.750% FOS (H) and 0.375% FOS (L), molt diets combined with the lower level of FOS should be sufficient...
  11. ncbi Comparison of zinc acetate and propionate addition on gastrointestinal tract fermentation and susceptibility of laying hens to Salmonella enteritidis during forced molt
    R W Moore
    USDA ARS, Southern Plains Agricultural Research Center, Food and Feed Safety Research Unit, College Station, Texas 77845, USA
    Poult Sci 83:1276-86. 2004
    ..At the zinc concentration used in these studies, the zinc dietary regimens may be effective for reducing the risk of SE during induced molt...
  12. ncbi Molting in Salmonella enteritidis-challenged laying hens fed alfalfa crumbles. I. Salmonella enteritidis colonization and virulence gene hilA response
    K D Dunkley
    Department of Poultry Science, Texas A and M University, College Station, TX 77843, USA
    Poult Sci 86:1633-9. 2007
    ..The results of these studies support the concept that changes in the gastrointestinal tract microenvironment, such as those created during feed deprivation, encourage Salmonella Enteritidis virulence and susceptibility in molted hens...
  13. ncbi Molting in Salmonella Enteritidis-challenged laying hens fed alfalfa crumbles. II. Fermentation and microbial ecology response
    K D Dunkley
    Department of Poultry Science, Texas A and M University, College Station 77843, USA
    Poult Sci 86:2101-9. 2007
    ..The results of these studies suggest that ALC molted hens supported microflora and fermentation activities, which were more comparable to FF hens than FW hens by the end of the molting period...
  14. ncbi Using a feed-grade zinc propionate to achieve molt induction in laying hens and retain postmolt egg production and quality
    S Y Park
    Department of Poultry Science, Texas A and M University, College Station, TX 77843, USA
    Biol Trace Elem Res 101:165-79. 2004
    ..05). The data of the current study demonstrated that feeding a feed grade of Zn propionate (1% Zn)-supplemented diet can induce molt and retain postmolt egg quality and production comparable to hens molted by feed withdrawal...
  15. doi In vitro fermentation response of laying hen cecal bacteria to combinations of fructooligosaccharide prebiotics with alfalfa or a layer ration
    L M Donalson
    Department of Poultry Science, Texas A and M University, College Station, TX 77843 2472, USA
    Poult Sci 87:1263-75. 2008
    ..These data indicate that in vitro cecal fermentation can be enhanced by the addition of FOS...
  16. doi Foodborne Salmonella ecology in the avian gastrointestinal tract
    K D Dunkley
    Department of Poultry Science, Texas A and M University, College Station, 77843 2472, USA
    Anaerobe 15:26-35. 2009
    ..A clear understanding of the key factors involved in Salmonella colonization in the avian GI tract has the potential to lead to better approach for more effective control of this foodborne pathogen...
  17. ncbi Effects of drinking water treatment on susceptibility of laying hens to Salmonella enteritidis during forced molt
    L F Kubena
    USDA, ARS, Southern Plains Agricultural Research Center, Food and Feed Safety Research Unit, 2881 F and B Road, College Station, Texas 77845, USA
    Poult Sci 84:204-11. 2005
    ..Additional research using different acid treatment regimens may provide a tool for reducing the incidence of SE in eggs and internal organs during and following molting of laying hens...
  18. ncbi In vitro anaerobic incubation of Salmonella enterica serotype Typhimurium and laying hen cecal bacteria in poultry feed substrates and a fructooligosaccharide prebiotic
    L M Donalson
    Department of Poultry Science, Texas A and M University, College Station, TX 77843 2472, USA
    Anaerobe 13:208-14. 2007
    ..The addition of FOS to feed substrate diets in combination with cecal contents acted in a synergistic manner to decrease ST growth only after ST was introduced to 24h cecal incubations...
  19. ncbi Molting in Salmonella enteritidis-challenged laying hens fed alfalfa crumbles. III. Blood plasma metabolite response
    C S Dunkley
    Texas A and M University, Department of Poultry Science, College Station 77843 2472, USA
    Poult Sci 86:2492-501. 2007
    ..Based on the results from these studies, ALC diets can limit some of the potential physiological stress indicators that accompany feed deprivation during an induced molt...
  20. ncbi Molting in Salmonella enteritidis-challenged laying hens fed alfalfa crumbles. IV. Immune and stress protein response
    C S Dunkley
    Texas A and M University, Department of Poultry Science, College Station 77843 2472, USA
    Poult Sci 86:2502-8. 2007
    ..The ALC molt diets appeared to reduce stress and inflammation, based on the H:L ratios and AGP levels in the serum, when compared with FW-molted hens...
  21. doi Behavioral responses of laying hens to different alfalfa-layer ration combinations fed during molting
    C S Dunkley
    Texas A and M University, Department of Poultry Science, College Station 77843 2472, USA
    Poult Sci 87:1005-11. 2008
    ..After some initial adjustment by the hens, consumption of alfalfa molt diets appeared to reduce nonnutritive pecking behavior, which is characteristically associated with FW hens...
  22. ncbi Reduction of Salmonella enterica serovar enteritidis colonization and invasion by an alfalfa diet during molt in Leghorn hens
    C L Woodward
    Department of Poultry Science, Texas A and M University, College Station, Texas 77843, USA
    Poult Sci 84:185-93. 2005
    ..Therefore, the results of this study suggest that an alfalfa diet has the potential to be used as an alternative method for forced molting, without increasing the incidence of SE in eggs and internal organs...
  23. ncbi Effect of various combinations of alfalfa and standard layer diet on susceptibility of laying hens to Salmonella enteritidis during forced molt
    J L McReynolds
    US Department of Agriculture, Agricultural Research Service, Food and Feed Safety Research Unit, Southern Plains Agricultural Research Center, College Station, TX 77845, USA
    Poult Sci 85:1123-8. 2006
    ..2. These data suggest that alfalfa can potentially be combined with layer ration to limit SE infection and still induce a molt comparable with feed withdrawal...
  24. doi Effects of Maillard reaction products on hilA expression in Salmonella typhimurium
    M M Kundinger
    Department of Poultry Science, Texas A and M University, College Station, TX 77843, USA
    J Food Sci 73:M32-5. 2008
    ..The potential of MRP serving as a bacterial virulence modulator may be a factor to be considered in food thermal processing when assessing Salmonella risk for causing foodborne disease...
  25. doi Effects of nitrocompounds on uric acid-utilizing microorganisms, nitrogen retention, and microbial community in laying hen manure
    W K Kim
    Department of Poultry Science, Texas A and M University, College Station, Texas, USA
    J Environ Sci Health B 44:403-6. 2009
    ..Moreover, nitrocompounds may have potential as feed additives to reduce ammonia volatilization...
  26. doi Organ weight and serum triglyceride responses of older (80 week) commercial laying hens fed an alfalfa meal molt diet
    K L Landers
    Poultry Science Department, Texas A and M University, College Station, TX 77843, USA
    Bioresour Technol 99:6692-6. 2008
    ..These results suggest that a comparable molt could be achieved with feeding alfalfa meal to 80 week hens compared to feed deprivation...
  27. ncbi Immunological cell and serum metabolite response of 60-week-old commercial laying hens to an alfalfa meal molt diet
    K L Landers
    Poultry Science Department, Texas A and M University, College Station, TX, USA
    Bioresour Technol 99:604-8. 2008
    ..Based on reproductive organ weight loss and changes in serum and immunological responses of birds during molt, it appears that alfalfa meal can be an effective molt induction alternative...
  28. ncbi Growth and genetic responses of Salmonella Typhimurium to pH-shifts in an anaerobic continuous culture
    K D Dunkley
    Department of Poultry Science, Texas A and M University, College Station, TX 77843 2472, USA
    Anaerobe 14:35-42. 2008
    ..Overall, the results suggest that ST physiology is altered by changes in pH, which could be determinant factors for ST survival in the poultry gastrointestinal ecosystems...
  29. doi Behavior of laying hens on alfalfa crumble molt diets
    C S Dunkley
    Texas A and M University, Department of Poultry Science, College Station, TX 77843 2472, USA
    Poult Sci 87:815-22. 2008
    ..In summary, the ALC diet showed potential as an alternative to FW for inducing a molt in laying hens based on reduced nonnutritive pecking behavior, head movements, and greater feeding activity...
  30. ncbi Utilizing different ratios of alfalfa and layer ration for molt induction and performance in commercial laying hens
    L M Donalson
    Department of Poultry Science, Texas A and M University, College Station, Texas 77843 2472, USA
    Poult Sci 84:362-9. 2005
    ..From these results, alfalfa or alfalfa mixed with layer ration appears to be viable alternatives to conventional FW methods for the successful induction of molt and retention of postmolt performance...
  31. ncbi Comparison of in vitro fermentation and molecular microbial profiles of high-fiber feed substrates incubated with chicken cecal inocula
    K D Dunkley
    Department of Poultry Science, Texas A and M University, College Station 77843 2472, USA
    Poult Sci 86:801-10. 2007
    ..These data suggest that high fiber sources may contribute to the fermentation and microbial diversity that occurs in the ceca of laying hens...
  32. doi Citrus products decrease growth of E. coli O157:H7 and Salmonella typhimurium in pure culture and in fermentation with mixed ruminal microorganisms in vitro
    T R Callaway
    Food and Feed Safety Research Unit, Southern Plains Agricultural Research Center, Agricultural Research Service, U S Department of Agriculture, College Station, Texas 77845, USA
    Foodborne Pathog Dis 5:621-7. 2008
    ..Further research is needed to determine whether the antimicrobial activity of orange products against E. coli O157:H7 or Salmonella Typhimurium is expressed in the lower gastrointestinal tract...
  33. ncbi Molt performance and bone density of cortical, medullary, and cancellous bone in laying hens during feed restriction or alfalfa-based feed molt
    W K Kim
    Department of Poultry Science, Texas A and M University, College Station, TX 77843, USA
    Poult Sci 86:1821-30. 2007
    ....
  34. ncbi Recovery of a marker strain of Salmonella typhimurium in litter and aerosols from isolation rooms containing infected chickens
    Y M Kwon
    Poultry Science Department, Texas A and M University, College Station 77843 2472, USA
    J Environ Sci Health B 35:517-25. 2000
    ..Although the two sampling methods responded in a similar fashion, detection sensitivity needs to be increased for air filter sampling...
  35. ncbi A survey of sixty turkey flocks exhibiting hepatic foci taken at time of processing
    R A Norton
    Department of Poultry Science, Auburn University, Alabama 36849 5416, USA
    Avian Dis 40:466-72. 1996
    ..12% of the lesions were found on the left hepatic lobe and 43.88% were found on the right hepatic lobe...
  36. ncbi Effects of short-chain nitrocompounds against Campylobacter jejuni and Campylobacter coli in vitro
    S M Horrocks
    U S Dept of Agriculture, Agricultural Research Service, Food and Feed Safety Research Unit, College Station, TX 77845, USA
    J Food Sci 72:M50-5. 2007
    ..05) in suspensions with added 2-nitro-l-propanol than in unsupplemented or nitroethane-supplemented suspensions, thus reiterating the superior inhibitory effect of 2-nitro-l-propanol...
  37. doi Induction of cadBA in an Escherichia coli lysine auxotroph transformed with a cad-gfp transcriptional fusion
    V I Chalova
    Department of Poultry Science, Texas A and M University, College Station, TX 77843, USA
    Antonie Van Leeuwenhoek 95:305-10. 2009
    ..08 micromol/g cell dry weight). For the latter, the detectable level of induction was delayed for 1 h but the maximum level of induction response was higher...
  38. ncbi Salmonella enteritidis hilA gene fusion response after incubation in spent media from either S. enteritidis or a poultry Lactobacillus strain
    J A Durant
    Poultry Science Department, Texas A and M University, College Station 77843 2472, USA
    J Environ Sci Health B 35:599-610. 2000
    ..When S. enteritidis was grown in Salmonella-spent media (24 h growth, pH 4.2, 78 mM acetate), hilA expression was increased 4-fold over expression in the LB broth...
  39. doi The effects of alfalfa-based molt diets on skeletal integrity of white leghorns
    W K Kim
    Department of Poultry Science, Texas A and M University, College Station 77843 2472, USA
    Poult Sci 87:2178-85. 2008
    ..This decrease in bone quality occurred in all molted hens. However, A70 and A80 alfalfa-fed hens retained mechanical properties of bones compared with the pretrial control...
  40. ncbi Comparisons of molting diets on skeletal quality and eggshell parameters in hens at the end of the second egg-laying cycle
    W K Kim
    Department of Poultry Science, Texas A and M University, College Station, Texas 77843 2472, USA
    Poult Sci 84:522-7. 2005
    ..These results suggest that age of hens and molting dietary treatments influence egg parameters, and eggshell formation is closely related to bone metabolism in laying hens...
  41. ncbi Presence of bacteriophages in animal feed as indicators of fecal contamination
    K G Maciorowski
    Poultry Science Department, Texas A and M University, College Station 77843 2472, USA
    J Environ Sci Health B 36:699-708. 2001
    ..Five out of 9 fresh feeds and 7 out of 8 stored feeds contained RNA somatic phages...
  42. ncbi Use of a Salmonella typhimurium hilA fusion strain to assess effects of environmental fresh water sources on virulence gene expression
    J D Nutt
    Poultry Science Deptartment, Texas A and M University, MS 2472 TAMU, College Station, TX 77843, USA
    Water Res 37:3319-26. 2003
    ..Bacterial cells remained viable but decreased after 7 days incubation. In conclusion, water sampled at specific locations and at different times water samples exhibited differences in virulence expression in S. typhimurium...
  43. ncbi Effects of high zinc diets using zinc propionate on molt induction, organs, and postmolt egg production and quality in laying hens
    S Y Park
    Department of Poultry Science, Texas A and M University, College Station, Texas 77843, USA
    Poult Sci 83:24-33. 2004
    ..05) heavier than those from hens on feed withdrawal. The data of the current study demonstrated that feeding a Zn propionate (1% zinc)-supplemented diet can induce molt...
  44. ncbi The combination of zinc compounds and acidic pH limits aerobic growth of a Salmonella typhimurium poultry marker strain in rich and minimal media
    S Y Park
    Department of Poultry Science, Texas A and M University, College Station, Texas 77843, USA
    J Environ Sci Health B 39:199-207. 2004
    ..35, and 6.03%) of Zn compounds (Zn acetate and Zn sulfate). In general growth rates of S. typhimurium poultry isolate appeared to be more reduced by Zn acetate than by Zn sulfate and more reduced in minimal media compared to rich media...
  45. ncbi Effects of alfalfa and fructooligosaccharide on molting parameters and bone qualities using dual energy X-ray absorptiometry and conventional bone assays
    W K Kim
    Department of Poultry Science, Texas A and M University, College Station 77843 2472, USA
    Poult Sci 85:15-20. 2006
    ..The bone parameters measured by conventional assays, bone breaking strength measured by Instron, and bone density and mineral content measured by DXA were highly correlated to each other...
  46. ncbi Research note: Effects of different bone preparation methods (fresh, dry, and fat-free dry) on bone parameters and the correlations between bone breaking strength and the other bone parameters
    W K Kim
    Department of Poultry Science, Texas A and M University, College Station, Texas 77843 2472, USA
    Poult Sci 83:1663-6. 2004
    ..The results indicate that fresh bone gives better bone breaking strength correlated to the other bone parameters than dry or fat-free dry preparation...
  47. ncbi Response of selected poultry cecal probiotic bacteria and a primary poultry Salmonella typhimurium isolate grown with or without glucose in liquid batch culture
    J A Durant
    Dept of Poultry Science, Texas A and M University, College Station 77843, USA
    J Environ Sci Health B 35:503-16. 2000
    ..S. typhimurium was not inhibited in mixed cultures. The mixed cultures produced more acetate than any of the pure cultures and lactate produced by Enterococcus appeared to be utilized by Veillonella...
  48. ncbi Development of research paper writing skills of poultry science undergraduate students studying food microbiology
    Z R Howard
    Department of Poultry Science, Texas A and M University, College Station 77843, USA
    Poult Sci 85:352-8. 2006
    ....
  49. ncbi Detection of methane and quantification of methanogenic archaea in faeces from young broiler chickens using real-time PCR
    S Saengkerdsub
    Department of Poultry Science, Texas A and M University, College Station, TX, USA
    Lett Appl Microbiol 45:629-34. 2007
    ..To detect the presence of methanogens in the faeces of broiler chicks during the first 2 weeks of age...
  50. ncbi Potential of alfalfa as an alternative molt induction diet for laying hens: egg quality and consumer acceptability
    K L Landers
    Department of Poultry Science, Texas A and M University, MS 2472 TAMU, College Station, TX 77843, USA
    Bioresour Technol 96:907-11. 2005
    ..The consumer sensory and mechanical quality attributes indicates that alfalfa shows promise as an alternative molt induction diet by providing a single diet option for extending egg production into a second egg laying cycle...
  51. ncbi Ecology, metabolism, and genetics of ruminal selenomonads
    S C Ricke
    Department of Poultry Science, Texas A and M University, College Station 77845, USA
    Crit Rev Microbiol 22:27-56. 1996
    ..Due to the predominance of S. ruminantium in the rumen, it is an ideal candidate for genetic manipulation. Once the genetics of this bacterium are better understood, it may be possible to amplify its role in the rumen...
  52. ncbi Review on the role of dietary zinc in poultry nutrition, immunity, and reproduction
    S Y Park
    Department of Poultry Science, Texas A and M University, College Station, TX 77843, USA
    Biol Trace Elem Res 101:147-63. 2004
    ..The potential role of zinc in poultry immune response, Salmonella infection, and molting are emphasized...
  53. ncbi Quantification of total and bioavailable lysine in feed protein sources by a whole-cell green fluorescent protein growth-based Escherichia coli biosensor
    V I Chalova
    Department of Poultry Science, Texas A and M University, College Station, TX 77843, USA
    Appl Microbiol Biotechnol 76:91-9. 2007
    ..coli biosensor. Overall results suggest that the microbial assay based on green fluorescent protein fluorescence represents a promising alternative method for lysine quantification...
  54. ncbi Generation of an Escherichia coli lysA targeted deletion mutant by double cross-over recombination for potential use in a bacterial growth-based lysine assay
    X Li
    Poultry Science Department, Texas A and M University, Kleberg Center, TX 77843 2472, USA
    Lett Appl Microbiol 37:458-62. 2003
    ..To generate a stable Escherichia coli lysine auxotroph for the lysine bioavailability assay...
  55. doi Incidence and ecology of Campylobacter jejuni and coli in animals
    S M Horrocks
    United States Department of Agriculture, Southern Plains Agricultural Research Center, College Station, TX 77845, USA
    Anaerobe 15:18-25. 2009
    ..Such multiple hurdle approaches that simultaneously utilize pre- and post-harvest control techniques are expected to be the most effective approach for decreasing human illness associated with foodborne pathogens...
  56. ncbi A cad-gfpmut3 plasmid construct in Escherichia coli for gene induction-based quantification of lysine in acid hydrolysates of feedstuffs
    V I Chalova
    Department of Poultry Science, Texas A and M University, College Station, TX, USA
    Lett Appl Microbiol 46:107-12. 2008
    ..To generate an inducible plasmid-borne cad-gfpmut3 transcriptional fusion and develop a method for quantification of total lysine...
  57. ncbi Response of foodborne Salmonella spp. marker strains inoculated on egg shell surfaces to disinfectants in a commercial egg washer
    K D Knape
    Poultry Science Department, Texas A and M University, College Station 77843 2472, USA
    J Environ Sci Health B 36:219-27. 2001
    ..05) decreased Salmonella spp. populations on the shell compared to dry (no spray) egg controls. However, efficacy of egg sanitizers appeared to be dependent on the level of total dissolved solids in the egg wash water...
  58. ncbi Growth inhibition by nitrocompounds of selected uric acid-utilizing microorganisms isolated from poultry manure
    W K Kim
    Department of Poultry Science, Texas A and M University, College Station, Texas 77843 2377, USA
    J Environ Sci Health B 41:97-107. 2006
    ..These results suggest that nitrocompounds exhibit potential to reduce ammonia volatilization in poultry manure by inhibiting growth of uric acid-utilizing microorganisms...
  59. ncbi Effects of ammonia nitrogen of H2 and CH4 production during anaerobic digestion of dairy cattle manure
    M C Sterling
    Department of Agricultural Engineering, Texas A and M University, College Station, 77843, USA
    Bioresour Technol 77:9-18. 2001
    ..Based on these results, changes in H2 concentration could be a useful parameter for monitoring changes due to increased NH3 in dairy cattle manure anaerobic digesters...
  60. ncbi Short-chain fatty acids affect cell-association and invasion of HEp-2 cells by Salmonella typhimurium
    J A Durant
    Department of Poultry Science, Texas A and M University, College Station 77843 2472, USA
    J Environ Sci Health B 34:1083-99. 1999
    ..Also, at pH 7, differences were observed among the SCFA treatments even though the growth rates were similar...
  61. ncbi Survival of salmonella transformed to express green fluorescent protein on Italian parsley as affected by processing and storage
    E A Duffy
    Department of Animal Science, Texas A and M University, College Station, Texas 77843, USA
    J Food Prot 68:687-95. 2005
    ..After 7 days of storage, there were no viable internalized Salmonella cells detected. Storage temperature represents an important control point for the safety of fresh parsley...
  62. ncbi Quantitative detection of crystalline lysine supplementation in poultry feeds using a rapid bacterial bioluminescence assay
    I B Zabala Díaz
    Poultry Science Department, Texas A and M University, 2472 TAMU, College Station, TX 77843 2472, USA
    Appl Microbiol Biotechnol 62:268-73. 2003
    ..97). Luminescent methodology coupled with a bacterial growth assay is a promising technique to assess lysine availability in supplemented animal feeds...
  63. ncbi Poultry digestive microflora biodiversity as indicated by denaturing gradient gel electrophoresis
    M E Hume
    USDA, ARS, Southern Plains Agricultural Research Center, Food and Feed Safety Research Unit, College Station, Texas 77845, USA
    Poult Sci 82:1100-7. 2003
    ..Results indicated the potential usefulness of the molecular-based denaturing gradient gel electrophoresis to monitor changes in digestive bacterial communities in chickens...
  64. ncbi Antibodies: an alternative for antibiotics?
    L R Berghman
    Department of Poultry Science, Texas A and M University, College Station, Texas 77843 2472, USA
    Poult Sci 84:660-6. 2005
    ..Especially the potential of producing therapeutic antibodies in crops that are routine dietary components of farm animals, such as corn and soy beans, seems to hold promise for future application in the fight against infectious diseases...
  65. ncbi Observations on the history of the development of antimicrobials and their use in poultry feeds
    F T Jones
    Department of Poultry Science, University of Arkansas, Fayetteville, Arkansas 72701, USA
    Poult Sci 82:613-7. 2003
    ....
  66. ncbi Comparison of media and a liquid detergent extraction step on bacterial recovery from animal feeds
    K G Maciorowski
    Poultry Science Department, Texas A and M University, College Station 77843 2472, USA
    J Environ Sci Health B 37:255-64. 2002
    ..01) with TSA populations enumerated from the feed and feed extracts, as well as R2A populations from feed extracts. Similarly, TSA bacterial populations from feed were significantly correlated with TSA populations from extracts...
  67. ncbi Isolation of Salmonella typhimurium Tn5 mutants defective for survival on egg shell surface using transposon footprinting
    Y M Kwon
    USDA ARS, Southern Plains Agricultural Research Center, College Station, Texas, USA
    J Environ Sci Health B 38:103-9. 2003
    ..By comparing the footprints from the pools of S. typhimurium Tn5 mutants before and after inoculation on egg shell surfaces, Tn5 mutants not recovered after selection were rapidly identified for potential isolation and genetic analysis...
  68. ncbi Methionine auxotroph Escherichia coli growth assay kinetics in antibiotic and antifungal amended selective media
    C A Froelich
    Poultry Science Department, Texas A and M University, College Station 77843 2472, USA
    J Environ Sci Health B 37:485-92. 2002
    ..05) to methionine concentration (3.4 to 26.8 microM). This supports the utility of this strain as a methionine bioassay organism for feed and other environmental sources...
  69. ncbi Effect of storage condition on bone breaking strength and bone ash in laying hens at different stages in production cycles
    S Y Park
    Department of Poultry Science, Texas A and M University, College Station, Texas 77843, USA
    Poult Sci 82:1688-91. 2003
    ..12%, 80 wk: 44.88%, 92 wk: 45.35%). This study indicated that frozen storage only influenced assessment of bone strength in 72-wk-old laying hens but could be used for sample storage of bones from older hens...
  70. ncbi Polymerase chain reaction detection of foodborne Salmonella spp. in animal feeds
    K G Maciorowski
    Department of Agriculture and Natural Resources, Delaware State University, Dover, Delaware, USA
    Crit Rev Microbiol 31:45-53. 2005
    ..contaminants in animal feeds...
  71. ncbi Short chain fatty acids influence virulence properties of Salmonella enterica serovar Typhimurium
    P Rishi
    Department of Microbiology, Panjab University, Chandigarh, India
    J Environ Sci Health B 40:645-57. 2005
    ....
  72. ncbi Inhibitory effect of select nitrocompounds on growth and survivability of Listeria monocytogenes in vitro
    M Dimitrijevic
    Faculty of Veterinary Medicine, Department of Food Hygiene and Technology, University of Belgrade, Belgrade, Serbia Montenegro
    J Food Prot 69:1061-5. 2006
    ..The inhibitory effect of 2NPOH was approximately 20% greater during growth at pH 7.0 than at pH 5.6 or 8.0. These results demonstrate the differential inhibitory activity of 2NPOH, 2NEOH, and NE against L. monocytogenes in vitro...
  73. ncbi Application of an Escherichia coli green fluorescent protein-based lysine biosensor under nonsterile conditions and autofluorescence background
    V Chalova
    Department of Poultry Science, Texas A and M University, College Station, TX 77843, USA
    Lett Appl Microbiol 42:265-70. 2006
    ....