E Casas

Summary

Affiliation: Agricultural Research Service
Country: USA

Publications

  1. ncbi Identification of genetic markers for fat deposition and meat tenderness on bovine chromosome 5: development of a low-density single nucleotide polymorphism map
    R T Stone
    U S Meat Animal Research Center, USDA ARS, Clay Center, NE 68933 0166, USA
    J Anim Sci 83:2280-8. 2005
  2. ncbi Birth and weaning traits in crossbred cattle from Hereford, Angus, Norwegian Red, Swedish Red and White, Wagyu, and Friesian sires
    E Casas
    USDA, ARS, U S Meat Animal Research Center, Clay Center, NE 68933, USA
    J Anim Sci 90:2916-20. 2012
  3. ncbi Prevalence of the prion protein gene E211K variant in U.S. cattle
    Michael P Heaton
    USDA, ARS, U, S, Meat Animal Research Center USMARC, State Spur 18D, P O Box 166, Clay Center, NE 68933, USA
    BMC Vet Res 4:25. 2008
  4. ncbi Growth and pubertal development of F1 bulls from Hereford, Angus, Norwegian Red, Swedish Red and White, Friesian, and Wagyu sires
    E Casas
    US Meat Animal Research Center, USDA, ARS, Clay Center, NE 68933, USA
    J Anim Sci 85:2904-9. 2007
  5. ncbi Assessing the association of single nucleotide polymorphisms at the thyroglobulin gene with carcass traits in beef cattle
    E Casas
    USDA, ARS, US Meat Animal Research Center, Clay Center, NE 68933, USA
    J Anim Sci 85:2807-14. 2007
  6. ncbi A putative quantitative trait locus on chromosome 20 associated with bovine pathogenic disease incidence
    E Casas
    US Meat Animal Research Center, USDA, ARS, Clay Center, NE 68933, USA
    J Anim Sci 86:2455-60. 2008
  7. ncbi Postweaning growth and carcass traits in crossbred cattle from Hereford, Angus, Brangus, Beefmaster, Bonsmara, and Romosinuano maternal grandsires
    E Casas
    USDA, ARS, US Meat Animal Research Center, Clay Center, NE 68933, USA
    J Anim Sci 88:102-8. 2010
  8. ncbi Birth and weaning traits in crossbred cattle from Hereford, Angus, Brahman, Boran, Tuli, and Belgian Blue sires
    E Casas
    US Meat Animal Research Center, USDA, ARS, Clay Center, NE 68933, USA
    J Anim Sci 89:979-87. 2011
  9. ncbi Association of single nucleotide polymorphisms in the ANKRA2 and CD180 genes with bovine respiratory disease and presence of Mycobacterium avium subsp. paratuberculosis(1)
    E Casas
    US Meat Animal Research Center, U S Department of Agriculture Agricultural Research Center, Clay Center, NE, USA
    Anim Genet 42:571-7. 2011
  10. ncbi A new single nucleotide polymorphism in CAPN1 extends the current tenderness marker test to include cattle of Bos indicus, Bos taurus, and crossbred descent
    S N White
    ARS, USDA, U.S. Meat Animal Research Center, Clay Center, NE 68933, USA
    J Anim Sci 83:2001-8. 2005

Detail Information

Publications38

  1. ncbi Identification of genetic markers for fat deposition and meat tenderness on bovine chromosome 5: development of a low-density single nucleotide polymorphism map
    R T Stone
    U S Meat Animal Research Center, USDA ARS, Clay Center, NE 68933 0166, USA
    J Anim Sci 83:2280-8. 2005
    ..These results demonstrate the feasibility of targeting QTL regions for SNP-based marker development and that a low level of coverage can identify markers associated with phenotypic traits...
  2. ncbi Birth and weaning traits in crossbred cattle from Hereford, Angus, Norwegian Red, Swedish Red and White, Wagyu, and Friesian sires
    E Casas
    USDA, ARS, U S Meat Animal Research Center, Clay Center, NE 68933, USA
    J Anim Sci 90:2916-20. 2012
    ..Males were heavier than females at birth and at 205 d, and grew faster. Sire breed effects can be optimized by selection and use of appropriate crossbreeding systems...
  3. ncbi Prevalence of the prion protein gene E211K variant in U.S. cattle
    Michael P Heaton
    USDA, ARS, U, S, Meat Animal Research Center USMARC, State Spur 18D, P O Box 166, Clay Center, NE 68933, USA
    BMC Vet Res 4:25. 2008
    ..S. cattle...
  4. ncbi Growth and pubertal development of F1 bulls from Hereford, Angus, Norwegian Red, Swedish Red and White, Friesian, and Wagyu sires
    E Casas
    US Meat Animal Research Center, USDA, ARS, Clay Center, NE 68933, USA
    J Anim Sci 85:2904-9. 2007
    ..6 x 10(9) +/- 0.9 x 10(9) per testis pair). Growth of bulls with Wagyu inheritance was slower, and bulls with Wagyu or Scandinavian inheritance reach puberty at an older age than bulls with Angus inheritance...
  5. ncbi Assessing the association of single nucleotide polymorphisms at the thyroglobulin gene with carcass traits in beef cattle
    E Casas
    USDA, ARS, US Meat Animal Research Center, Clay Center, NE 68933, USA
    J Anim Sci 85:2807-14. 2007
    ..Although associations with marbling score in the remaining populations were not large or significant, the TT genotype had the numerically greatest marbling score in each population...
  6. ncbi A putative quantitative trait locus on chromosome 20 associated with bovine pathogenic disease incidence
    E Casas
    US Meat Animal Research Center, USDA, ARS, Clay Center, NE 68933, USA
    J Anim Sci 86:2455-60. 2008
    ....
  7. ncbi Postweaning growth and carcass traits in crossbred cattle from Hereford, Angus, Brangus, Beefmaster, Bonsmara, and Romosinuano maternal grandsires
    E Casas
    USDA, ARS, US Meat Animal Research Center, Clay Center, NE 68933, USA
    J Anim Sci 88:102-8. 2010
    ..Sire and grandsire breed effects can be optimized by selection and use of appropriate crossbreeding systems...
  8. ncbi Birth and weaning traits in crossbred cattle from Hereford, Angus, Brahman, Boran, Tuli, and Belgian Blue sires
    E Casas
    US Meat Animal Research Center, USDA, ARS, Clay Center, NE 68933, USA
    J Anim Sci 89:979-87. 2011
    ..Sire breed effects can be optimized by selection and use of appropriate crossbreeding systems...
  9. ncbi Association of single nucleotide polymorphisms in the ANKRA2 and CD180 genes with bovine respiratory disease and presence of Mycobacterium avium subsp. paratuberculosis(1)
    E Casas
    US Meat Animal Research Center, U S Department of Agriculture Agricultural Research Center, Clay Center, NE, USA
    Anim Genet 42:571-7. 2011
    ..0001) and with the presence of MAP (P = 0.0032). Markers in the ANKRA2 and CD180 genes are associated with the ability of the animal to cope with pathogens...
  10. ncbi A new single nucleotide polymorphism in CAPN1 extends the current tenderness marker test to include cattle of Bos indicus, Bos taurus, and crossbred descent
    S N White
    ARS, USDA, U.S. Meat Animal Research Center, Clay Center, NE 68933, USA
    J Anim Sci 83:2001-8. 2005
    ..001). Thus, Marker 316 may continue to be useful in a variety of populations with a high percentage of Bos taurus backgrounds. An optimal marker strategy for CAPN1 in many cases will be to use both Markers 316 and 4751...
  11. ncbi Association of markers in the bovine CAPN1 gene with meat tenderness in large crossbred populations that sample influential industry sires
    B T Page
    U S Meat Animal Research Center, Clay Center, NE 68933, USA
    J Anim Sci 82:3474-81. 2004
    ..04) and the Cycle VII population (P = 0.02), supporting the hypothesis that they represent potential markers to aid selection for improved meat tenderness in commercial populations of beef cattle in the United States...
  12. ncbi Quantitative analysis of birth, weaning, and yearling weights and calving difficulty in Piedmontese crossbreds segregating an inactive myostatin allele
    E Casas
    Roman L Hruska U S Meat Animal Research Center, ARS, USDA, Clay Center, NE 68933, USA
    J Anim Sci 77:1686-92. 1999
    ....
  13. ncbi Effects of calpastatin and micro-calpain markers in beef cattle on tenderness traits
    E Casas
    USDA, ARS, U S Meat Animal Research Center, Clay Center, NE 68933, USA
    J Anim Sci 84:520-5. 2006
    ..Markers developed at the CAST and CAPN1 genes are suitable for use in identifying animals with the genetic potential to produce meat that is more tender...
  14. ncbi Association of the muscle hypertrophy locus with carcass traits in beef cattle
    E Casas
    USDA ARS, U S Meat Animal Research Center, Clay Center, NE 68933 0166, USA
    J Anim Sci 76:468-73. 1998
    ..Thus, mating schemes that maximize production of mh/+ genotypes provide a viable approach for improving carcass composition...
  15. ncbi Evaluation in beef cattle of six deoxyribonucleic acid markers developed for dairy traits reveals an osteopontin polymorphism associated with postweaning growth
    S N White
    USDA, ARS, US Meat Animal Research Center, Clay Center, NE 68933, USA
    J Anim Sci 85:1-10. 2007
    ..The SPP1 marker had consistent associations and effect sizes (10.5 to 11.5 kg of live weight at slaughter) in both populations, providing strong evidence for utility of the SPP1 marker for postweaning growth in beef cattle...
  16. ncbi Assessment of single nucleotide polymorphisms in genes residing on chromosomes 14 and 29 for association with carcass composition traits in Bos indicus cattle
    E Casas
    ARS, USDA, U S Meat Animal Research Center, Clay Center, NE 68933, USA
    J Anim Sci 83:13-9. 2005
    ..The results suggest that the use of molecular marker information developed in Bos taurus populations to Bos indicus populations may require development of appropriate additional markers...
  17. ncbi Association of myostatin on early calf mortality, growth, and carcass composition traits in crossbred cattle
    E Casas
    US Meat Animal Research Center, USDA, ARS, Clay Center, NE 68933 0166, USA
    J Anim Sci 82:2913-8. 2004
    ..The use of the inactive myostatin allele is an option to increase retail product yield, but considerations of conditions at calving are important to prevent mortality...
  18. ncbi Comprehensive linkage map of bovine chromosome 27
    E Casas
    USDA ARS, U S Meat Animal Research Center, Clay Center, NE, USA
    Anim Genet 32:95-7. 2001
    ..1 and 63.7 cM, respectively. Five loci were excluded from the analysis because of ambiguous position in the linkage group and a low LOD score (less than 2.0). Average distance between loci in the comprehensive map was 1.98 cM...
  19. ncbi Markers on bovine chromosome 20 associated with carcass quality and composition traits and incidence of contracting infectious bovine keratoconjunctivitis
    M D Garcia
    USDA, ARS, U S Meat Animal Research Center, Clay Center, Nebraska 68933, USA
    Anim Biotechnol 21:188-202. 2010
    ..Thus, further evaluation of SNP in this region is necessary in order to identify mutations accounting for the largest degree of variation for IBK and carcass traits...
  20. ncbi Association of a single nucleotide polymorphism in SPP1 with growth traits and twinning in a cattle population selected for twinning rate
    M F Allan
    USDA, ARS, US Meat Animal Research Center, Clay Center, NE 68933 0166, USA
    J Anim Sci 85:341-7. 2007
    ..The previously undetected effect of the SNP on birth and weaning weight suggests this particular SPP1 marker may explain a portion of the phenotypic variance explained by QTL for birth and HCW on BTA6...
  21. ncbi Detection of quantitative trait loci for growth and carcass composition in cattle
    E Casas
    U S Meat Animal Research Center, USDA, ARS, Clay Center, NE 68933 0166, USA
    J Anim Sci 81:2976-83. 2003
    ..These results present a complete scan in all available progeny in this family. Regions underlying QTL need to be assessed in other populations...
  22. ncbi A comprehensive search for quantitative trait loci affecting growth and carcass composition of cattle segregating alternative forms of the myostatin gene
    E Casas
    US Meat Animal Research Center, ARS, USDA, Clay Center, NE 68933 0166, USA
    J Anim Sci 79:854-60. 2001
    ..Regions identified underlying QTL need to be assessed in other populations. Although the myostatin gene has a considerable effect, other loci with more subtle effects are involved in the expression of the phenotype...
  23. ncbi Quantitative trait loci affecting growth and carcass composition of cattle segregating alternate forms of myostatin
    E Casas
    U S Meat Animal Research Center, ARS, USDA, Clay Center, NE 68933 0166, USA
    J Anim Sci 78:560-9. 2000
    ..These results are the initial effort to identify and characterize QTL affecting carcass and growth traits in families segregating myostatin...
  24. ncbi Quantitative trait loci for male reproductive traits in beef cattle
    E Casas
    US Meat Animal Research Center, US Department of Agriculture ARS, Clay Center, NE 68933, USA
    Anim Genet 35:451-3. 2004
    ..8-kg heavier BYW, compared with those inheriting the Hereford allele. This is the first report of QTL for male reproductive traits in cattle...
  25. ncbi Evaluation of single-nucleotide polymorphisms in CAPN1 for association with meat tenderness in cattle
    B T Page
    USDA, ARS, U S Meat Animal Research Center, Clay Center, NE, USA
    J Anim Sci 80:3077-85. 2002
    ....
  26. ncbi Postweaning growth and carcass traits in crossbred cattle from Hereford, Angus, Norwegian Red, Swedish Red and White, Friesian, and Wagyu maternal grandsires
    E Casas
    US Meat Animal Research Center, USDA, ARS, Clay Center, NE 68933 0166, USA
    J Anim Sci 84:305-10. 2006
    ..Maternal granddam breed was not significant for any of the traits analyzed. Grandsire breed effects can be optimized by selection and use of appropriate crossbreeding systems...
  27. ncbi Effect of bovine respiratory disease and overall pathogenic disease incidence on carcass traits
    M D Garcia
    US Meat Animal Research Center, USDA, ARS, Clay Center, NE 68933, USA
    J Anim Sci 88:491-6. 2010
    ..01) measurements than unaffected animals. The relationship between disease and carcass traits should be given consideration by future studies that aim to develop selection strategies based on specific traits...
  28. ncbi Evaluation of Dorset, Finnsheep, Romanov, Texel, and Montadale breeds of sheep: V. Reproduction of F1 ewes in spring mating seasons
    E Casas
    USDA, ARS, US Meat Animal Research Center, Clay Center, NE 68933 0166, USA
    J Anim Sci 83:2743-51. 2005
    ..Use of Romanov-crossbred ewes would increase fertility during spring mating, an important constraint of the sheep industry...
  29. ncbi Identification of quantitative trait loci for growth and carcass composition in cattle
    E Casas
    USDA ARS, US Meat Animal Research Center, Clay Center, NE 68933 0166, USA
    Anim Genet 35:2-6. 2004
    ..Results presented here represent the initial search for quantitative trait loci in this family. Validation of detected QTL in other populations will be necessary...
  30. ncbi The effects of Piedmontese inheritance and myostatin genotype on the palatability of longissimus thoracis, gluteus medius, semimembranosus, and biceps femoris
    T L Wheeler
    Roman L Hruska U S Meat Animal Research Center, ARS, USDA, Clay Center, NE 68933 0166, USA
    J Anim Sci 79:3069-74. 2001
    ..Piedmontese mh/mh bulls could be used as terminal sires to produce mh/+ progeny with improved carcass value due to improved tenderness in the four muscles studied...
  31. ncbi Maternal grandsire, granddam, and sire breed effects on growth and carcass traits of crossbred cattle
    E Casas
    U S Meat Animal Research Center, USDA, ARS, Clay Center, NE 68933 0166, USA
    J Anim Sci 81:904-11. 2003
    ..Interactions between maternal grandsire and sire breed were nonexistent. Sire and grandsire breed effects can be optimized by selection and use of appropriate crossbreeding systems...
  32. ncbi Relationship of polymorphisms within metabolic genes and carcass traits in crossbred beef cattle
    L A Rempel
    USDA, ARS, US Meat Animal Research Center, Clay Center, NE 68933 0166, USA
    J Anim Sci 90:1311-6. 2012
    ..Replication of these results within other populations will be necessary to establish if these markers will be successful as predictors of fatness components and carcass traits in cattle...
  33. ncbi Comprehensive linkage map of bovine chromosome 11
    E Casas
    USDA ARS, U S Meat Animal Research Center, Clay Center, USA
    Anim Genet 32:92-4. 2001
    ..The sex-averaged consensus map covered 128.9 cM. The female consensus map was 101.2 cM, while the male consensus map was 129.8 cM. The comprehensive sex-averaged map was 134.2 cM and the average genetic distance between loci was 1.72 cM...
  34. ncbi Bovine chromosome 4 workshop: consensus and comprehensive linkage maps
    E Casas
    USDA ARS, Clay Center, NE 68933 0166, USA
    Anim Genet 30:375-7. 1999
    ..6 cM. The length of the female and male comprehensive maps were 123.1 cM and 156.4 cM, respectively. Average genetic distance between loci was 6 and 2.3 cM for the consensus and comprehensive linkage maps, respectively...
  35. ncbi Putative quantitative trait loci associated with the probability of contracting infectious bovine keratoconjunctivitis
    E Casas
    US Meat Animal Research Center, USDA, ARS, Clay Center, NE 68933 0166, USA
    J Anim Sci 84:3180-4. 2006
    ..Although a candidate gene was identified for one of the regions of interest, further studies are needed to identify the genetic basis of resistance to the disease...
  36. ncbi Sequence evaluation of four pooled-tissue normalized bovine cDNA libraries and construction of a gene index for cattle
    T P Smith
    United States Department of Agriculture, Agricultural Research Service, United States Meat Animal Research Center, Clay Center, Nebraska 68933, USA
    Genome Res 11:626-30. 2001
    ..Analysis of individual library sequence data indicates that the pooled-tissue approach was highly effective in preparing libraries for efficient deep sequencing...
  37. ncbi Evaluation of Dorset, Finnsheep, Romanov, Texel, and Montadale breeds of sheep: II. Reproduction of F1 ewes in fall mating seasons
    E Casas
    ARS, USDA, U S Meat Animal Research Center, Clay Center, NE 68933 0166, USA
    J Anim Sci 82:1280-9. 2004
    ..001) than for 1-yr-old ewes. Experimental results provide comprehensive information about the appropriate use of these breeds in crossbreeding systems to meet specific production-marketing objectives...
  38. ncbi Bovine CAPN1 maps to a region of BTA29 containing a quantitative trait locus for meat tenderness
    T P Smith
    USDA, ARS, U S Meat Animal Research Center, Clay Center, NE 68933, USA
    J Anim Sci 78:2589-94. 2000
    ..This approximately coincides with the position of the QTL, demonstrating that CAPN1 protease is a positional candidate gene potentially affecting variation in meat tenderness in a bovine resource mapping population...