Research Project:
IDENTIFICATION AND UTILIZATION OF MECHANISMS RESPONSIBLE FOR THE ADAPTATION OF CATTLE TO STRESSORS OF THE SUBTROPICS
Publications
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Genetic effects on carcass quantity, quality, and palatability traits in straightbred and crossbred Romosinuano steers
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| Riley, D.G., Chase, C.C., Jr., Coleman, S.W., Phillips, W.A., Miller, M.F., Brooks, J., Johnson, D.D., Olson, T.A. 2012. Genetic effects on carcass quantity, quality, and palatability traits in straightbred and crossbred Romosinuano steers. Journal of Animal Science. 90:2159-2166. |
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Genetic assessment of rectal temperature and coat score in Brahman, Angus, and Romosinuano crossbred and straightbred cows and calves under subtropical summer conditions
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| Riley, D.G., Chase, C.C., Jr., Coleman, S.W., Olson, T.A. 2012. Genetic assessment of rectal temperature and coat score in Brahman, Angus, and Romosinuano crossbred and straightbred cows and calves under subtropical summer conditions. Livestock Science. 148:109-118. |
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Identification of one polymorphism from the PAPP-A2 gene associated to fertility in Romosinuano beef heifers raised under a subtropical environment
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| Luna-Nevarez, P., Rincon, G., Medrano, J.F., Riley, D.G., Chase, C.C., Jr., Coleman, S.W., Deatley, K.L., Islas-Trejo, A., Silver, G.A., Thomas, M.G. 2012. Identification of one polymorphism from the PAPP-A2 gene associated to fertility in Romosinuano beef heifers raised under a subtropical environment. Mexican Journal of Animal Science. 3(2):185-200. |
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Evaluation of tropically adapted straightbred and crossbred cattle: Postweaning gain and feed efficiency when finished in a temperate climate
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| Coleman, S.W., Chase, C.C., Jr., Phillips, W.A., Riley, D.G., Olson, T.A. 2012. Evaluation of tropically adapted straightbred and crossbred cattle: Postweaning gain and feed efficiency when finished in a temperate climate. Journal of Animal Science. 90:1955-1965. |
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The influence of tropical adaptation on plasma concentrations of insulin-like growth factor-I in purebred and crossbred beef cattle
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| Caldwell, L.C., Chase, C.C., Jr., Riley, D.G., Coleman, S.W., Phillips, W.A., Spicer, L.J., Welsh, T.H., Randel, R.D. 2011. The influence of tropical adaptation on plasma concentrations of insulin-like growth factor-I in purebred and crossbred beef cattle. Journal of Animal Science. 89:4017-4022. |
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A comparison of lipopolysacchardie-induced febrile responses across heat-tolerant and -sensitive Bos taurus cattle in different thermal environments
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| Chaffin, R.E., Scharf, B., Johnson, J.S., Bryant, J.K., Kishore, D.K., Eichen, P.A., Carroll, J.A., Chase, C.C., Coleman, S.W., Burdick, N.C., Weaber, R.L., Spiers, D.E. 2011. A comparison of lipopolysacchardie-induced febrile responses across heat-tolerant and -sensitive Bos taurus cattle in different thermal environments. Journal of Animal Science Supplement. 7-8. |
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Post-weaning feed efficiency of tropically adapted purebred and crossbred calves when fed in either winter or spring
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| Coleman, S.W., Chase, C.C., Phillips, W.A., Riley, D.G. 2011. Post-weaning feed efficiency of tropically adapted purebred and crossbred calves when fed in either winter or spring. Journal of Animal Science Supplement. 89(E Suppl. 1):273. |
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Effect of maternal feed efficiency as growing heifers and lactating cows on feed intake and performance of their suckling offspring
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| Bischoff, K.M., Black, T.E., Mercadante, V.G., Marquezini, G.L., Chase, C.C., Coleman, S.W., Lamb, G.C. 2011. Effect of maternal feed efficiency as growing heifers and lactating cows on feed intake and performance of their suckling offspring. Journal of Animal Science Supplement. 601-602. |
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Relationship of feed efficiency of replacement beef heifers to subsequent feed efficiency as 3-year old suckled beef cows
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| Black, T.E., Bischoff, K.M., Mercadante, V.G., Marquezini, G.L., Chase, C.C., Coleman, S.W., Lamb, G.C. 2011. Relationship of feed efficiency of replacement beef heifers to subsequent feed efficiency as 3-year old suckled beef cows. Journal of Animal Science Supplement. 501-502. |
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Effect of growth hormone administration to mature miniature Brahman cattle treated with or without insulin on circulating concentrations of insulin-like growth factor-I and other metabolic hormones and metabolites
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| Chase, C.C., Elsasser, T.H., Spicer, L.J., Riley, D.G., Lucy, M.C., Hammond, A.C., Olson, T.A., Coleman, S.W. 2011. Effect of growth hormone administration to mature miniature Brahman cattle treated with or without insulin on circulating concentrations of insulin-like growth factor-I and other metabolic hormones and metabolites. Domestic Animal Endocrinology. 41(1):1-13. |
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Evaluation of two sources of Angus cattle under South Florida subtropical conditions
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| Riley, D.G., Arthington, J.D., Chase, C.C., Jr., Coleman, S.W., Griffin, J.L., Rae, D.O., Mader, T.L., Olson, T.A. 2011. Evaluation of two sources of Angus cattle under South Florida subtropical conditions. Journal of Animal Science. 89:2265-2272. |
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Single nucleotide polymorphisms in the growth hormone - insulin like growth factor axis in straight bred and crossbred Angus, Brahman, and Romosinuano heifers: population genetic analyses and association of genotypes
- (Peer Reviewed Journal)
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| Luna-Nevarez, P., Rincon, G., Medrano, J., Riley, D.G., Chase, C.C., Coleman, S.W., Vanleeuwen, D., Deatley, K., Islas-Trejo, A., Silver, G., Thomas, M. 2011. Single nucleotide polymorphisms in the growth hormone - insulin like growth factor axis in straight bred and crossbred Angus, Brahman, and Romosinuano heifers: population genetic analyses and association of genotypes. Journal of Animal Science. 89:926-934. |
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New Brahman breed improvement program at STARS
- (Trade Journal)
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| Chase, C.C., Jr. 2010. New Brahman breed improvement program at STARS. Brahman Journal. Available: http://brahmanjournal.com/brahman/?p=3269. |
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Evaluation of tropically-adapted straightbred and crossbred beef cattle: Heifer age and size at first conception and characteristics of their first calves
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| Riley, D.G., Chase, C.C., Coleman, S.W., Olson, T.A., Randel, R.D. 2010. Evaluation of tropically-adapted straightbred and crossbred beef cattle: Heifer age and size at first conception and characteristics of their first calves. Journal of Animal Science. 88:3173-3182. |
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Gastrointestinal nematode egg shedding rates in temperate adapted Angus and tropically-adapted Brahman and Romosinuano calves at weaning
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| Chase, C.C., Gasbarre, L.C., Coleman, S.W., Riley, D.G., Connor, E.E. 2010. Gastrointestinal nematode egg shedding rates in temperate adapted Angus and tropically-adapted Brahman and Romosinuano calves at weaning . Journal of Animal Science 88(2), E-Suppl. |
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Breed and winter nutrition effects on body weight, condition, and blood metabolite patterns of cows grazing bahiagrass pastures
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| Coleman, S.W., Williams, M.J., Chase, C.C., Riley, D.G. 2010. Breed and winter nutrition effects on body weight, condition, and blood metabolite patterns of cows grazing bahiagrass pastures. Journal of Animal Science Supplement. 88(E Suppl-2):743. |
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Evaluation of Physiological and blood serum differences in heat tolerant (Romosinuano) and heat susceptible (Angus) Bos taurus cattle for determination of markers of sensitivity
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| Scharf, B., Carroll, J.A., Riley, D.G., Chase, C.C., Coleman, S.W., Keisler, D.H., Weaber, R.L., Spiers, D.E. 2010. Evaluation of Physiological and blood serum differences in heat tolerant (Romosinuano) and heat susceptible (Angus) Bos taurus cattle for determination of markers of sensitivity. Journal of Animal Science. 88:2321-2336, and doi:10.2527/jas.2009-2551 |
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Growth and Quality of Perennial C3 Grasses in the Southern Great Plains
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| Coleman, S.W., Rao, S.C., Volesky, J.D., Phillips, B. 2010. Growth and Quality of Perennial C3 Grasses in the Southern Great Plains. Crop Science. 50: 1070-1078. |
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Fatty acids of Beef Longissimus Muscle
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| Dinh, T., Blanton, Jr., J., Riley, D.G., Chase, C.C., Coleman, S.W., Phillips, W.A., Brooks, J., Miller, M., Thompson, L. 2010. Intramuscular fat and fatty acid composition of longissimus muscle from divergent pure breeds of cattle. American Society of Animal Science. Journal of Animal Science. 88:756-766. doi10.2527/JAS2009-1951. |
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A Miniature Condition in Brahman Cattle is Associated with a Single Nucleotide Mutation Within the Growth Hormone Gene
- (Peer Reviewed Journal)
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| Mccormack, B.L., Chase, C.C., Olson, T.A., Elsasser, T.H., Hammond, A.C., Welsh, Jr., T.H., Jiang, H., Randel, R.D., Okamura, C.A., Lucy, M.C. 2009. A Miniature Condition in Brahman Cattle is Associated with a Single Nucleotide Mutation Within the Growth Hormone Gene. Domestic Animal Endocrinology. 37(2):104-111. |
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Effect of breed composition on phenotypic residual feed intake and growth in Angus, Brahman, and Angus x Brahman crossbred cattle.
- (Peer Reviewed Journal)
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| Elzo, M.A., Riley, D.G., Hansen, G.R., Johnson, D.D., Myer, R.O., Coleman, S.W., Chase, C.C., Wasdin, J.G., Driver, J.D. 2009. Effect of breed composition on phenotypic residual feed intake and growth in Angus, Brahman, and Angus x Brahman crossbred cattle. Journal of Animal Science. 87:3877-3886. |
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Effect of shade on summer body temperature and respiration rate of Angus, Brahman, and Romosinuano heifers
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| Chase, C.C., Waters, L.J., Davis, J.R., Riley, D.G., Coleman, S.W., Carroll, J.A., Olson, T.A. 2009. Effect of shade on summer body temperature and respiration rate of Angus, Brahman, and Romosinuano heifers. American Society of Animal Science Southern Section Meeting. 87, E-Suppl. 3:1. |
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Post-weaning growth of tropically adapted purebred and crossbred calves when finished in a temperate climate
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| Coleman, S.W., Phillips, W.A., Riley, D.G., Chase, C.C. 2009. Post-weaning growth of tropically adapted purebred and crossbred calves when finished in a temperate climate. American Society of Animal Science Southern Section Meeting. 87, E-Suppl. 3:2. |
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Influence of tropical adaptation on plasma insulin-like growth factor-I and residual feed intake in purebred and crossbred beef cattle
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| Caldwell, L.C., Chase, C.C., Riley, D.G., Coleman, S.W., Phillips, W.A., Welch, Jr., T.H., Randel, R.D. 2009. [abstract]Influence of tropical adaptation on plasma insulin-like growth factor-I and residual feed intake in purebred and crossbred beef cattle. American Society of Animal Science Southern Section Meeting, January 31, 2009 to February 3, 2009, Atlanta, Georgia. |
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Evaluation of physiological and blood serum differences in heat tolerant (Romosinuano) and heat susceptible (Angus) Bos Taurus cattle for determination of markers of sensitivity
- (Proceedings)
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| Scharf, B., Wax, L.E., Carroll, J.A., Riley, D.G., Chase, C.C., Coleman, S.W., Keisler, D.H., Spiers, D.E. 2008. Evaluation of physiological and blood serum differences in heat tolerant (Romosinuano) and heat susceptible (Angus) Bos Taurus cattle for determination of markers of sensitivity. Meeting Proceedings. |
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Adapting Bulls to Florida
- (Proceedings)
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| Chase, C.C., Chenoweth, P. 2008. Adapting Bulls to Florida. Florida Beef Cattle Short Course. Fifty-seventy Annual Florida Beef Cattle Short Course proceedings;"Positioning Cattle Producers to Access Markets, Choose Bulls, and Fine Tune Management". Hilton University of Florida Conference Center, Gainesville, Florida. April 30-May 2, 2008. 2008 Florida Beef Cattle Short Course Proceedings. Pages 41-45. |
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Effect of breed composition, temperament, and ELISA scores for paratuberculosis on phenotypic residual feed intake and growth in an Angus-Brahman multibreed herd.
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| Elzo, M.A., Riley, D.G., Hansen, G.R., Johnson, D.D., Myer, R.O., Rae, D.O., Wasdin, J.R., Driver, J.D. 2008. Effect of breed composition, temperament, and ELISA scores for paratuberculosis on phenotypic residual feed intake and growth in an Angus-Brahman multibreed herd [absrtact]. American Society of Animal Science Proceedings.J. 86(1):204. |
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Association between breed composition, phenotypic residual feed intake, temperament, ELISA scores for paratuberculosis, and ultrasound carcass traits in an Angus-Brahman multibreed herd.
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| Elzo, M.A., Riley, D.G., Hansen, G.R., Johnson, D.D., Myer, R.O., Rae, D.O., Wasdin, J.G., Driver, J.D. 2008. Association between breed composition, phenotypic residual feed intake, temperament, ELISA scores for paratuberculosis, and ultrasound carcass traits in an Angus-Brahman multibreed herd [abstract]. Journal of Animal Science Supplement. 86(1):204. |
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Relationship between carcass traits and phenotypic residual feed intake, breed composition, temperament, and ELISA scores for paratuberculosis in an Angus-Brahman multibreed herd.
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| Elzo, M.A., Riley, D.G., Hansen, G.R., Johnson, D.D., Myer, R.O., Rae, D.O., Wasdin, J.G., Driver, J.D. 2008. Relationship between carcass traits and phenotypic residual feed intake, breed composition, temperament, and ELISA scores for paratuberculosis in an Angus-Brahman multibreed herd [abstract]. Journal of Animal Science Supplement. 86(1):205. |
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