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Agricultural Research Service United States Department of Agriculture
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Ransom Baldwin
Bovine Functional Genomics
Research Animal Scientist

Phone: (301) 504-8964
Fax: (301) 504-8744
Room 214
10300 BALTIMORE AVENUE
BLDG 162 BARC-EAST
BELTSVILLE, MD, 20705

Projects
Efficiency of Nutrient Use in Cattle:identification of Critical Physiologic and Genomic Regulatory Pathways
Appropriated (D)
  Accession Number: 412344
Genomic and Metabolic Bases Underlying Protein and Fat Accretion in Cattle
Reimbursable (R)
  Accession Number: 412637

Publications
Predicting Perchlorate Exposure in Milk From Concentrations in Dairy Feed - (Peer Reviewed Journal)
Rice, C., Baldwin, R.L., Abbott, L., Hapeman, C.J., Capuco, A.V., Le, A.N., Bialek Kalinski, K.M., Bannerman, D.D., Hare Jr, W.R., Paape, M.J. 2007. Predicting Perchlorate Exposure in Milk From Concentrations in Dairy Feed. Journal of Agricultural and Food Chemistry. 55:8806-8813.
Intestinal and ruminal epithelial and hepatic metabolism regulatory gene expression as affected by forage to concentrate ratio in bulls - (Proceedings/Symposium)
Baldwin, R.L., El-Kadi, S.W., Mcleod, K.R., Connor, E.E., Bequette, B.J. 2007. Intestinal and ruminal epithelial and hepatic metabolism regulatory gene expression as affected by forage to concentrate ratio in bulls. Symposium Proceedings. pp. 293-294.
Salvage of blood urea nitrogen in sheep is highly dependent on plasma urea concentration and the efficiency of capture within the diegestive tract - (Peer Reviewed Journal)
Sunny, N.E., Owens, S.L., Baldwin, R.L., El-Kadi, S.W., Kohn, R.A., Bequette, B.J. 2007. Salvage of blood urea nitrogen in sheep is highly dependent on plasma urea concentration and the efficiency of capture within the diegestive tract. Journal of Animal Science. 85(4):1006-1013.
Influence of Ruminal and Postruminal Carbohydrate Infusion on Visceral Organ Mass and Adipose Tissue Accretion in Growing Beef Steers. - (Peer Reviewed Journal)
Mccleod, K.E., Baldwin, R.L., Solomon, M.B., Baumann, R.G. 2007. Influence of ruminal and postruminal carbohydrate infusion on visceral organ mass and adipose tissue accretion in growing beef steers. Journal of Animal Science. 85:2256-2270.
Transfer of Perchlorate from Dairy Feed to Milk: Possible Exposure Scenarios - (Abstract)
Rice, C., Abbott, L., Capuco, A.V., Hapeman, C.J., Baldwin, R.L., Hare Jr, W.R., Paape, M.J., Mccarty, G.W., Mcconnell, L.L., Van Tassell, C.P. 2006. Transfer of perchlorate from dairy feed to milk: possible exposure scenarios [abstract]. International Conference on The Future of Agriculture: Science, Stewardship and Sustainability (Aug 7-9, Sacramento, CA). 1:52.
Influence of Abomasal Carbohyrdates on Subcutaneous, Omental, and Mesenteric Adipose Lipogenic and Lypolytic Rates in Growing Beef Steers. - (Peer Reviewed Journal)
Baldwin, R.L., Baumann, R.G., Mcleod, K.R. 2007. Influence of abomasal carbohyrdates on subcutaneous, omental, and mesenteric adipose lipogenic and lypolytic rates in growing beef steers. Journal of Animal Science. 85:2271-2282.
Effect of Mastitis on Milk Perchlorate Concentrations in Dairy Cows - (Peer Reviewed Journal)
Bannerman, D.D., Paape, M.J., Baldwin, R.L., Rice, C., Bialek Kalinski, K.M., Capuco, A.V. 2006. Effect of mastitis on milk perchlorate concentrations in dairy cows. Journal of Dairy Science. 89(8):3011-3019.
Effect of Particle Size on Passage Rates from the Rumen to the Duodenum of Lactating Dairy Cows. - (Abstract)
Peterson, A.B., Baldwin, R.L., Kohn, R. 2006. Effect of particle size on passage rates from the rumen to the duodenum of lactating dairy cows [abstract]. American Dairy Science and Society of Animal Science. 89:242.
Influence of Carbohydrate Infusion on Lipogenic Enzyme and Regulatory Protein Gene Expression in Growing Beef Steer. - (Abstract)
Baldwin, R.L., Mcleod, K., Baumann, R.G., Connor, E.E. 2006. Influence of carbohydrate infusion on lipogenic enzyme and regulatory protein gene expression in growing beef steer [abstract]. Experimental Biology Meeting. FASEB Journal 20, Abstract #LB380.
Effect of Ruminally Degraded Protein Source on Nitrogen Metabolism in Holstein Cows - (Abstract)
Peterson, A.B., Baldwin, R.L., Bequette, B.J., Kohn, R.A. 2006. Effect of ruminally degraded protein source on nitrogen metabolism in Holstein cows [abstract]. Journal of Dairy Science. 89(Suppl. 1)180.
Metabolism of Amino Acids and Glucose by the Sheep Gatrointestinal Tract in Response to Post-Ruminal Protein Supplies. - (Peer Reviewed Journal)
El-Kadi, S.W., Baldwin, R.L., Sunny, N.E., Owens, S.L., Bequette, B.J. 2006. Metabolism of amino acids and glucose by the sheep gatrointestinal tract in response to post-ruminal protein supplies. Journal of Nutrition. 136(5):1261-1269.
Fate of Dietary Perchlorate in Lactating Dairy Cows: Relevance to Animal Health and Levels in the Milk Supply. - (Peer Reviewed Journal)
Capuco, A.V., Rice, C., Baldwin, R.L., Bannerman, D.D., Paape, M.J., Hare, Jr., W.R., Kauf, A.C., McCarty, G.W., Hapeman, C.J., Sadeghi, A.M., Starr, J.L., McConnell, L.L., Van Tassell, C.P. 2005. Fate of dietary perchlorate in lactating dairy cows: Relevance to animal health and levels in the milk supply. Proceedings of the National Academy of Sciences. 102(45):16152-16157.
Milk Producton of Dairy Cows Fed Differing Concentrations of Rumen Degraded Protein - (Peer Reviewed Journal)
Kalscheur, K.F., Baldwin, R.L., Glenn, B.P., Kohn, R.A. 2006. Milk Producton of Dairy Cows Fed Differing cConcentrations of Rumen Degraded Protein. Journal of Dairy Sci. 89:249-259.
Metabolic Fates of Ammonia Nitrogen in Ruminal Epithelial and Duodenal Mucosal Cells Isolated from Growing Sheep. - (Peer Reviewed Journal)
Oba, M., Baldwin, R.L., Owens, S.L., Bequette, B.J. 2005. Metabolic fates of ammonia nitrogen in ruminal epithelial and duodenal mucosal cells isolated from growing sheep. Journal of Dairy Science. 88:3963-3970.
Predicting Perchlorate Exposure in Milk from Concentrations in Dairy Feed - (Abstract)
Rice, C., Abbott, L.C., Hapeman, C.J., Baldwin, R.L., Capuco, A.V., Mccarty, G.W., Hare Jr, W.R. 2005. Predicting perchlorate exposure in milk from concentrations in dairy feed. [abstract].American Chemical Society Annual Meeting Symposium Proceedings. pp. 928-930.
Effect of Ruminally Degraded Protein Source on Production Performance in Holstein Cows. - (Abstract)
Peterson, A.B., Baldwin, R.L., Kohn, R. 2005. Effect of ruminally degraded protein source on production performance in Holstein cows [abstract]. Journal of Animal Science. 88(1)99.
Assessing the Relationship Between Ruminal Perchlorate Infusion in Dairy Cows and Its Levels in Milk - (Abstract)
Capuco, A.V., Baldwin, R.L., Rice, C., Hare Jr, W.R., Paape, M.J., Bannerman, D.D., Kauf, A.C., Mccarty, G.W., Sadeghi, A.M., Starr, J.L., Mcconnell, L.L., Hapeman, C.J., Van Tassell, C.P. 2005. Assessing the relationship between ruminal perchlorate infusion in dairy cows and its levels in milk [abstract]. Journal of Dairy Science. 88(1):237.
Characterization of a Normalized Cdna Library from Bovine Intestinal Muscle and Epithelial Tissues - (Peer Reviewed Journal)
Baumann, R.G., Baldwin, R.L., Van Tassell, C.P., Matukumalli, L.K., Sonstegard, T.S. 2005. Characterization of a normalized cDNA library from bovine intestinal muscle and epithelial tissues. Animal Biotechnology. 16(1):17-30.
Effect of Vfa on Ammonia Utilization for Amino Acid and Urea Synthesis by Ruminal Epithelial and Duodenal Mucosal Cells Isolated from Growing Sheep - (Abstract)
Baldwin, R.L., Bequette, B.J., Oba, M., Owens, S.L., 2003. Effect of vfa on ammonia utilization for amino acid and urea synthesis by ruminal epithelial and duodenal mucosal cells isolated from growing sheep [abstract]. Journal of Dairy Science 86(Suppl. 1):280.
Characterization of a Normalized Cdna Library from Bovine Intestinal Muscle and Epithelial Tissues - (Abstract)
Baumann, R.G., Baldwin, R.L., Sonstegard, T.S., Van Tassell, C.P., Matukumalli, L. 2004. Characterization of a normalized cDNA library from bovine intestinal muscle and epithelial tissues [abstract]. 7th International Meeting of the Microarray Gene Expression Data Society. p. 24.
Influence of Abomasal Carbohydrates on Small Intestinal Sodium-Dependent Glucose Co-Transporter Activity and Abundance in Steers - (Peer Reviewed Journal)
Baldwin, R.L., Rodriquez, S.M., Guimaraes, K.C., Matthews, J.C., Mcleod, K.M., Harmon, D.L. 2004. Influence of abomasal carbohydrates on small intestinal sodium-dependent glucose co-transporter activity and abundance in steers. Journal of Animal Science. 82:(10):3015-3023.
Construction and Analysis of a Cdna Library Generated from Intestinal Muscle and Epithelial Tissues of Holstein Cattle: over 20,000 5'-Est Sequences - (Germplasm Release)
Baumann, R.G., Baldwin, R.L., Sonstegard, T.S., Van Tassell, C.P., Matukumalli, L. 2004. Construction and analysis of a cDNA library generated from intestinal muscle and epithelial tissues of holstein cattle: over 20,000 5'-est sequences. Germplasm Release.
Use of Ammonia-N by Ruminal Epithelial and Duodenal Mucosal Cells Isolated from Growing Sheep - (Abstract)
Oba, M., Baldwin, R.L., Owens, S.L., Bequette, B.J. 2004. Use of ammonia-n by ruminal epithelial and duodenal mucosal cells isolated from growing sheep. [abstract] ADSA/ASAS/PAS Joint Meeting, St. Louis, MO. vol. 83(suppl. 1, p.219
Utilization of Ammonia-N by Ruminal Epithelial and Duodenal Mucosal Cells Isolated from Growing Sheep - (Abstract)
Oba, M., Baldwin, R.L., Owens, S.L., Bequette, B.J. 2004. Utilization of ammonia-n by ruminal epithelial and duodenal mucosal cells isolated from growing sheep [abstract]. BARC Poster Day.
Construction of a Normalized Cdna Library of the Bovine Intestine: 8bov-Gene Identification and Metabolic Pathway Discovery - (Abstract)
Baumann, R.G., Baldwin, R.L., Sonstegard, T.S., Van Tassell, C.P., Matukumalli, L. 2004. Construction of a normalized cDNA library of the bovine intestine: 8BOV - Gene identification and metabolic pathway discovery [abstract]. BARC Poster Day. p. 32.
Bovine Somatotropin and Rumen Undergradable Protein Effects on Organ and Tissue Weights and Components of Growth of Prepubertal Heifers. - (Peer Reviewed Journal)
Moallem, U., Dahl, G.E., Duffey, E.K., Capuco, A.V., Mcleod, K.R., Baldwin, R.L., Erdman, R.A. 2004. Bovine somatotropin and rumen undergradable protein effects in prepubertal heifers: Effects on body composition and organ tissue weights. Journal of Dairy Science. 87(11):3869-3880.
Oxidation of Glucose, Glutamate, and Glutamine by Isolated Ovine Enterocytes in Vitro Is Decreased by Presence of Other Metabolic Fuels - (Peer Reviewed Journal)
Oba, M., Baldwin, R.L., Bequette, B.J. 2004. Oxidation of glucose, glutamate, and glutamine by isolated ovine enterocytes in vitro is decreased by presence of other metabolic fuels. Journal of Dairy Science. 82(2):479-486.
Urea Synthesis by Ruminal Epithelial and Duodenal Mucosal Cells from Growing Sheep - (Peer Reviewed Journal)
Oba, M., Baldwin, R.L., Owens, S.L., Bequette, B.J. 2004. Urea synthesis by ruminal epithelial and duodenal mucosal cells from growing sheep. Journal of Dairy Science. 87(6):1803-1805.
Rumen Development, Intestinal Growth and Hepatic Metabolism in the Pre-and Post-Weaning Ruminant - (Review Article)
Baldwin, R.L., Mcleod, K.R., Klotz, J.L., Heitmann, R.N. 2004. Rumen development, intestinal growth and hepatic metabolism in the pre-and post-weaning ruminant. Journal of Dairy Science. 87:E. Suppl.:E55-E65.
Influence of Subtherapeutic Chlortetracycline and Dietary Protein on Circulating Concentration of Insulin-Like Growth Factor-1 in Growing Beef Steers - (Peer Reviewed Journal)
McLeod, K.R., Baldwin, R.L., Rumsey, T.S., Elsasser, T.H., Kahl, S., Streeter, M.N. 2003. Influence of subtherapeutic chlortetracycline and dietary protein on circulating concentration of insulin-like growth factor-1 in growing beef steers. Journal of Animal and Veterinary Advances. 2:531-35.
Oxidation of Glucose, Glutamate, and Glutamine by Isolated Ovine Enterocytes in Vitro Is Decreased by Presence of Other Metabolic Fuels - (Abstract)
Baldwin, R.L., Bequette, B.J., Oba, M., 2003. Oxidation of glucose, glutamate, and glutamine by isolated ovine enterocytes in vitro is decreased by presence of other metabolic fuels [abstract]. Journal of Dairy Science 86(suppl. 1):226.
Urea Synthesis by Ruminal Epithelial and Duodenal Mucosal Cells Isolated from Growing Sheep - (Abstract)
Baldwin, R.L., Bequette, B.J., Oba, M., Owens, S.L., 2003. Urea synthesis by ruminal epithelial and duodenal mucosal cells isolated from growing sheep [abstract]. Journal of Dairy Science 86(Suppl. 1):59.
Influence of Abomasal Carbohydrates on Small Intestinal Sodium-Dependent Glucose Co-Transporter Activity and Abundance in Steers - (Abstract)
Baldwin, R.L., Rodriquez, S.M., Guimaraes, K.C., Mathews, J.C., Mcleod, K.R., Harmon, D.L., 2003. Influence of abomasal carbohydrates on small intestinal sodium-dependent glucose co-transporter activity and abundance in steers [abstract]. Journal of Dairy Science 86 (Suppl. 1):266.
Visceral Tissue Growth and Proliferation During the Bovine Lactation Cycle - (Peer Reviewed Journal)
Baldwin, R.L., Mcleod, K.R., Capuco, A.V. 2004. Visceral tissue growth and proliferation during the bovine lactation cycle. Journal of Dairy Science.87:2977-2986.
Effects of Intestinal Development on Calf Growth - (Abstract)
Baldwin, R.L., Mcleod, K., Heitman, R., Klotz, J., 2003. Effects of intestinal development on calf growth [abstract. Journal of Dairy Science 86(suppl. 1):136
Effects of Ruminal and Post Ruminal Infusion of Starch Hydrolysate Or Glucose on the Microbial Ecology of the Gastrointestinal Tract in Growing Steers - (Abstract)
Van Kessel, J.S., Nedoluha, P.C., Williams-Campbell, A., Baldwin, Vi, R.L., Mcleod, K.R. 2004. Effects of ruminal and post ruminal infusion of starch hydrolysate or glucose on the microbial ecology of the gastrointestinal tract in growing steers. Meeting Abstract. p.236.
Effect of Stage of Lactation on Visceral Tissue Mass and Intestinal Proliferation - (Abstract)
BALDWIN, R.L., CAPUCO, A.V., MCLEOD, K. EFFECT OF STAGE OF LACTATION ON VISCERAL TISSUE MASS AND INTESTINAL PROLIFERATION. JOURNAL OF DAIRY SCIENCE. 2002.
Influence of Ruminal and Postruminal Carbohydrate Infusion on Visceral Organ Mass and Adipose Tissue Accretion in Growing Beef Steers. - (Abstract)
BALDWIN, R.L., MCLEOD, K., CAPUCO, A.V., SOLOMON, M.B., HARMON, D. INFLUENCE OF RUMINAL AND POSTRUMINAL CARBOHYDRATE INFUSION ON VISCERAL ORGAN MASS AND ADIPOSE TISSUE ACCRETION IN GROWING BEEF STEERS. JOURNAL OF ANIMAL SCIENCE. 2002.

   
 
Last Modified: 05/13/2009
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