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United States Department of Agriculture

Agricultural Research Service

Research Project: Improved Nutrient Efficiency of Beef Cattle and Swine

Location: Nutrition and Environmental Management Research

Publications (Clicking on the reprint icon Reprint Icon will take you to the publication reprint.)

The effects of feeding increasing concentrations of corn oil on energy metabolism and nutrient balance in finishing beef steers - (Peer Reviewed Journal)

Challenges in measuring feed efficiency - (Abstract Only)

Endocannabinoids concentrations in plasma associated with feed efficiency and carcass composition of beef steers - (Peer Reviewed Journal)

Profile of the spleen transcriptome in beef steers with variation in gain and feed intake - (Peer Reviewed Journal)

Ruminal expression of the NQO1, RGS5, and ACAT1 genes may be indicators of feed efficiency in beef steers - (Peer Reviewed Journal)

Feed efficiency and the microbiota of the alimentary tract - (Proceedings)
Freetly, H.C., Myer, P.R. 2016. Feed efficiency and the microbiota of the alimentary tract. Proceedings of the Beef Improvement Federation Annual Meeting and Symposium, June 14-17, 2016, Manhattan, Kansas. p. 65-74.

Transcriptome profile of genes differentially expressed in the mesenteric adipose tissue of beef cattle with variation in feed intake and gain - (Abstract Only)
Lindholm-Perry, A.K., Cunningham, H.C., Kuehn, L.A., Keele, J.W., Cammack, K., Freetly, H.C. 2016. Transcriptome profile of genes differentially expressed in the mesenteric adipose tissue of beef cattle with variation in feed intake and gain. International Society for Animal Genetics (35th ISAG). Abstract Book. p. 73-74 (Abstract #P3042).

Changes in acyl and total ghrelin concentrations and their association with dry matter intake, average daily gain, and feed efficiency of finishing beef steers and heifers Reprint Icon - (Peer Reviewed Journal)
Foote, A.P., Hales, K.E., Freetly, H.C. 2016. Changes in acyl and total ghrelin concentrations and their association with dry matter intake, average daily gain, and feed efficiency of finishing beef steers and heifers. Domestic Animal Endocrinology. 57:100-107. doi:10.1016/j.domaniend.2016.05.004

Key metabolic pathways associated with differences in weight maintenance and gain in mature cow skeletal and adipose tissue - (Proceedings)
Cunningham, H.C., Austin, K.J., Cammack, K.M., Freetly, H.C., Lindholm-Perry, A.K. 2016. Key metabolic pathways associated with differences in weight maintenance and gain in mature cow skeletal and adipose tissue. Proceedings, Western Section, American Society of Animal Science 67:48-51.

Effect of abomasal butyrate infusion on net nutrient flux across the portal-drained viscera and liver of growing lambs Reprint Icon - (Peer Reviewed Journal)
Foote, A.P., Freetly, H.C. 2016. Effect of abomasal butyrate infusion on net nutrient flux across the portal-drained viscera and liver of growing lambs. Journal of Animal Science. 94(7):2962-2972. doi: 10.2527/jas2016-0485.

Are methane production and cattle performance related? - (Proceedings)
Freetly, H.C. 2016. Are methane production and cattle performance related? Proceedings of Beef Methane Conference, May 11-12, 2016, Lincoln, Nebraska. p. 34-41.

Automatic recognition of lactating sow behaviors through depth image processing - (Peer Reviewed Journal)
Lao, F., Brown-Brandl, T.M., Stinn, J.P., Liu, K., Teng, G., Xin, H. 2016. Automatic recognition of lactating sow behaviors through depth image processing. Computers and Electronics in Agriculture. 125:56-62.

The effects of zilpaterol hydrochloride and shade on blood metabolites of finishing beef steers Reprint Icon - (Peer Reviewed Journal)
Hales, K.E., Foote, A.P., Jones, S., Shackelford, S.D., Boyd, B.M., Erickson, G.E. 2016. The effects of zilpaterol hydrochloride and shade on blood metabolites of finishing beef steers. Journal of Animal Science. 94(7):2937-2941. doi: 10.2527/jas2015-9967.

The effects of feeding increasing concentrations of corn oil on energy metabolism and nutrient balance in finishing beef steers - (Abstract Only)
Hales Paxton, K.E., Foote, A.P., Brown-Brandl, T.M., Freetly, H.C. 2016. The effects of feeding increasing concentrations of corn oil on energy metabolism and nutrient balance in finishing beef steers [abstract]. Journal of Animal Science. 94 (E-Supplement 5):724.

Rumen fluid metabolomics analysis associated with feed efficiency on crossbred steers - (Abstract Only)
Artegoitia, V.M., Foote, A.P., Lewis, R.M., Freetly, H.C. 2016. Rumen fluid metabolomics analysis associated with feed efficiency on crossbred steers [abstract]. Journal of Animal Science. 94(E-Supplement 5):768.

Endocannabinoid concentrations in plasma associated with feed efficiency and carcass composition on crossbreed steers - (Abstract Only)
Artegoitia, V.M., Foote, A.P., Lewis, R.M., King, D.A., Shackelford, S.D., Wheeler, T.L., Freetly, H.C. 2016. Endocannabinoid concentrations in plasma associated with feed efficiency and carcass composition on crossbreed steers [abstract]. Journal of Animal Science. 94 (E-Supplement 5):704.

Feed intake and production efficiency of beef cows - (Abstract Only)
Freetly, H.C., Kuehn, L.A., Thallman, R.M., Snelling, W.M. 2016. Feed intake and production efficiency of beef cows [abstract]. Journal of Animal Science. 94 (E-Supplement 5):114.

Analysis of the gut microbiome in beef cattle and its association with feed intake, growth, and efficiency - (Abstract Only)
Myer, P.R., Wells, J., Smith, T.P., Kuehn, L.A., Freetly, H.C. 2016. Analysis of the gut microbiome in beef cattle and its association with feed intake, growth, and efficiency [abstract]. Journal of Animal Science. 94 (E-Supplement 5):211-212.

Transcriptome differences in the rumen of beef steers with variation in feed intake and gain Reprint Icon - (Peer Reviewed Journal)
Kern, R.J., Lindholm-Perry, A.K., Freetly, H.C., Snelling, W.M., Kern, J.W., Keele, J.W., Miles, J.R., Foote, A.P., Oliver, W.T., Kuehn, L.A., Ludden, P.A. 2016. Transcriptome differences in the rumen of beef steers with variation in feed intake and gain. Gene. 586:12-26.

Evaluation of 16S Rrna amplicon sequencing using two next-generation sequencing technologies for phylogenetic analysis of the rumen bacterial community in steers - (Abstract Only)
Myer, P.R., Kim, M.S., Freetly, H.C., Smith, T.P. 2016. Evaluation of 16S Rrna amplicon sequencing using two next-generation sequencing technologies for phylogenetic analysis of the rumen bacterial community in steers [abstract]. American Society for Microbiology. Poster No. SUNDAY-584.

Rumen papillae morphology of beef steers relative to gain and feed intake and the association of volatile fatty acids with kallikrein gene expression Reprint Icon - (Peer Reviewed Journal)
Kern, R.J., Lindholm-Perry, A.K., Freetly, H.C., Kuehn, L.A., Rule, D.C., Ludden, P.A. 2016. Rumen papillae morphology of beef steers relative to gain and feed intake and the association of volatile fatty acids with kallikrein gene expression. Livestock Science. 187:24-30.

Effects of dietary protein concentration and ractopamine hydrochloride on performance and carcass characteristics of finishing beef steers Reprint Icon - (Peer Reviewed Journal)
Hales, K.E., Shackelford, S.D., Wells, J., King, D.A., Pyatt, N.A., Freetly, H.C., Wheeler, T.L. 2016. Effects of dietary protein concentration and ractopamine hydrochloride on performance and carcass characteristics of finishing beef steers. Journal of Animal Science. 94(5):2097-2102. doi:10.2527/jas2015-0225

Differential gene expression in the duodenum, jejunum and ileum among crossbred beef steers with divergent gain and feed intake phenotypes - (Peer Reviewed Journal)
Lindholm-Perry, A.K., Butler, A.R., Kern, R.J., Hill, R., Kuehn, L.A., Wells, J., Oliver, W.T., Hales, K.E., Foote, A.P., Freetly, H.C. 2016. Differential gene expression in the duodenum, jejunum and ileum among crossbred beef steers with divergent gain and feed intake phenotypes. Animal Genetics. 47(4):408-427. doi: 10.1111/age.12440.

Differential expression of genes in the liver associated with gain and intake in beef steers - (Abstract Only)
Zarek, C.M., Lindholm-Perry, A.K., Freetly, H.C. 2016. Differential expression of genes in the liver associated with gain and intake in beef steers [abstract]. Journal of Animal Science. 94(Supplement 2):185.

Lysozyme as an alternative to antibiotics in swine feed - (Abstract Only)
Oliver, W.T., Wells, J. 2016. Lysozyme as an alternative to antibiotics in swine feed [abstract]. Journal of Animal Science. 94(Supplement 2):138.

Leptin concentrations in finishing beef steers and heifers and their association with dry matter intake, average daily gain, feed efficiency, and body composition Reprint Icon - (Peer Reviewed Journal)
Foote, A.P., Tait Jr, R.G., Keisler, D.H., Hales, K.E., Freetly, H.C. 2016. Leptin concentrations in finishing beef steers and heifers and their association with dry matter intake, average daily gain, feed efficiency, and body composition. Domestic Animal Endocrinology. 55:136-141.

Effect of backgrounding system on feedlot performance and carcass characteristics of beef steers - (Abstract Only)
Cox, J.L., Hales, K.E., Ulmer, K.M., Rasby, R.J., Shackelford, S.D., Freetly, H.C., Drewnoski, M.E. 2016. Effect of backgrounding system on feedlot performance and carcass characteristics of beef steers [abstract]. Journal of Animal Science Supplement. 94(Supplement 2):173-174.

Gut bacterial communities and their association with production parameters in beef cattle - (Abstract Only)
Myer, P.R., Wells, J., Smith, T.P., Kuehn, L.A., Freetly, H.C. 2016. Gut bacterial communities and their association with production parameters in beef cattle [abstract]. Journal of Animal Science. 94(Supplement 2):179.

Potential metabolic pathways associated with differences in weight maintenance and gain in mature cow skeletal and adipose tissue - (Abstract Only)
Cunningham, H.C., Cammack, K.M., Austin, K.J., Freetly, H.C., Lindholm-Perry, A.K. 2015. Potential metabolic pathways associated with differences in weight maintenance and gain in mature cow skeletal and adipose tissue. Plant & Animal Genome XXIV Conference, January 9-13, 2016, San Diego, CA. Poster P0270.

Microbial community profiles of the jejunum from steers differing in feed efficiency Reprint Icon - (Peer Reviewed Journal)
Myer, P.R., Wells, J., Smith, T.P., Kuehn, L.A., Freetly, H.C. 2016. Microbial community profiles of the jejunum from steers differing in feed efficiency. Journal of Animal Science. 94(1):327-338. doi: 10.2527/jas2015-9839.

Relationship of glucocorticoids and hematological measures with feed intake, growth, and efficiency of finishing beef cattle Reprint Icon - (Peer Reviewed Journal)
Foote, A.P., Hales, K.E., Tait Jr, R.G., Berry, E.D., Lents, C.A., Wells, J. E., Lindholm-Perry, A.K., Freetly, H.C. 2016. Relationship of glucocorticoids and hematological measures with feed intake, growth, and efficiency of finishing beef cattle. Journal of Animal Science. 94(1):275-283. doi: 10.2527/jas2015-9407

Effects of shade and feeding zilpaterol hydrochloride to finishing steers on performance, carcass quality, heat stress, mobility, and body temperature Reprint Icon - (Peer Reviewed Journal)
Boyd, B.M., Shackelford, S.D., Hales, K.E., Brown-Brandl, T.M., Bremer, M.L., Spangler, M.L., Wheeler, T.L., King, D.A., Erickson, G.E. 2015. Effects of shade and feeding zilpaterol hydrochloride to finishing steers on performance, carcass quality, heat stress, mobility, and body temperature. Journal of Animal Science. 93(12):5801-5811. doi: 10.2527/jas2015-9613.

Replacement for antibiotics: Lysozyme - (Proceedings)
Oliver, W.T., Wells, J. 2015. Replacement for antibiotics: Lysozyme. Proceedings of the Western Nutrition Conference, September 28-29, 2015, Winnipeg, Manitoba, Canada. p. 63-72.

Effects of dry-rolled or high-moisture corn with twenty-five or forty-five percent wet distillers' grains with solubles on energy metabolism, nutrient digestibility, and macromineral balance in finishing beef steers Reprint Icon - (Peer Reviewed Journal)
Hales, K.E., Jaderborg, J.P., Crawford, G.I., DiCostanzo, A., Spiehs, M.J., Brown-Brandl, T.M., Freetly, H.C. 2015. Effects of dry-rolled or high-moisture corn with twenty-five or forty-five percent wet distillers' grains with solubles on energy metabolism, nutrient digestibility, and macromineral balance in finishing beef steers. Journal of Animal Science. 93(10):4995-5005. doi: 10.2527/jas2015-9301

Feed efficiency in beef cattle: how far have we come, how far can we go? - (Literature Review)
Freetly, H.C. 2015. Feed efficiency in beef cattle: how far have we come, how far can we go?. Proceedings of the 4th International Simposium of Beef Cattle Production, October 22-24, 2015, Lavras, MG, Brazil. p. 107-123.

Cecum microbial communities from steers differing in feed efficiency Reprint Icon - (Peer Reviewed Journal)
Myer, P.R., Wells, J.E., Smith, T.P.L., Kuehn, L.A., Freetly, H.C. 2015. Cecum microbial communities from steers differing in feed efficiency. Journal of Animal Science. 93(11):5327-5340. doi: 10.2527/jas2015-9415

Determination of minimum meal interval and analysis of feeding behavior in shaded and open lot feedlot heifers - (Peer Reviewed Journal)
Brown-Brandl, T.M., Eigenberg, R.A. 2015. Determination of minimum meal interval and analysis of feeding behavior in shaded and open lot feedlot heifers. Transactions of the ASABE. 58(6):1833-1839.

Microbial community profiles of the colon from steers differing in feed efficiency Reprint Icon - (Peer Reviewed Journal)
Myer, P.R., Wells, J., Smith, T.P., Kuehn, L.A., Freetly, H.C. 2015. Microbial community profiles of the colon from steers differing in feed efficiency. SpringerPlus. 4:454.

Lysozyme as an alternative to growth promoting antibiotics in swine production Reprint Icon - (Review Article)
Oliver, W.T., Wells, J. 2015. Lysozyme as an alternative to growth promoting antibiotics in swine production. Journal of Animal Science and Biotechnology. 6:35.

Relationship of leptin concentrations with feed intake, growth, and efficiency in finishing beef steers Reprint Icon - (Peer Reviewed Journal)
Foote, A.P., Hales, K.E., Kuehn, L.A., Keisler, D.H., King, D.A., Shackelford, S.D., Wheeler, T.L., Freetly, H.C. 2015. Relationship of leptin concentrations with feed intake, growth, and efficiency in finishing beef steers. Journal of Animal Science. 93(9):4401-4407.

Differences in transcript abundance of genes on BTA15 located within a region associated with gain in beef steers Reprint Icon - (Peer Reviewed Journal)
Lindholm-Perry, A.K., Kern, R.J., Kuehn, L.A., Snelling, W.M., Miles, J.R., Oliver, W.T., Freetly, H.C. 2015. Differences in transcript abundance of genes on BTA15 located within a region associated with gain in beef steers. Gene. 572(1):42-48. doi:10.1016/j.gene.2015.06.076.

Energy content of reduced-fat dried distillers grains with solubles for lactating dairy cows - (Peer Reviewed Journal)
Foth, A.J., Brown-Brandl, T.M., Hanford, K.J., Miller, P.S., Garcia Gomez, G., Kononoff, P.J. 2015. Energy content of reduced-fat dried distillers grains with solubles for lactating dairy cows. Journal of Dairy Science. 98:7142-7152.

Rumen microbiome from steers differing in feed efficiency Reprint Icon - (Peer Reviewed Journal)
Myer, P.R., Smith, T.P., Wells, J., Kuehn, L.A., Freetly, H.C. 2015. Rumen microbiome from steers differing in feed efficiency. PLoS One. 10(6):e0129174.

Effects of glycerin concentration in steam-flaked corn-based diets with supplemental yellow grease on performance and carcass characteristics of finishing beef steers Reprint Icon - (Peer Reviewed Journal)
Buttrey, E.K., Luebbe, M.K., McCollum III, F.T., Cole, N.A., MacDonald, J.C., Hales, K.E. 2015. Effects of glycerin concentration in steam-flaked corn-based diets with supplemental yellow grease on performance and carcass characteristics of finishing beef steers. Journal of Animal Science. 93(7):3698-3703.

Effect of backgrounding system on beef calf performance Reprint Icon - (Abstract Only)
Cox, J.L., Hales, K.E., Ulmer, K.M., Rasby, R.J., Shackelford, S.D., Freetly, H.C., Drewnoski, M.E. 2015. Effect of backgrounding system on beef calf performance [abstract]. Journal of Animal Science. 93(Supplement s3):885.

The role of gut peptides in the gut-brain-axis of livestock - (Abstract Only)
Foote, A.P. 2015. The role of gut peptides in the gut-brain-axis of livestock [abstract]. Journal of Animal Science. 93(Supplement s3):200.

Metabolizable energy intake effects on tympanic temperature and ADG of steers finished in southern Chile during summer - (Abstract Only)
Arias, R.A., Alvarado-Gilis, C., Brown-Brandl, T.M., Mader, T.L. 2015. Metabolizable energy intake effects on tympanic temperature and ADG of steers finished in southern Chile during summer [abstract]. Journal of Animal Science. 93(Supplement s3):861.

Metabolizable energy intake effects on carcass quality of steers finished in southern Chile during summer time - (Abstract Only)
Arias, R.A., Alvarado-Gilis, C., Brown-Brandl, T.M., Mader, T.L. 2015. Metabolizable energy intake effects on carcass quality of steers finished in southern Chile during summer time [abstract]. Journal of Animal Science. 93(Supplement s3):861.

Determination of piglet location in farrowing crates based on depth and digital images - (Proceedings)

Quantifying detection performance of a passive low-frequency RFID system in an environmental preference chamber for laying hens - (Peer Reviewed Journal)
Sales, G.T., Green, A.R., Gates, R.S., Brown-Brandl, T.M., Eigenberg, R.A. 2015. Quantifying detection performance of a passive low-frequency RFID system in an environmental preference chamber for laying hens. Computers and Electronics in Agriculture. 114:261-268.

Methane production and methanogen levels in steers that differ in residual gain Reprint Icon - (Peer Reviewed Journal)
Freetly, H.C., Lindholm-Perry, A.K., Hales, K.E., Brown-Brandl, T.M., Kim, M.S., Myer, P.R., Wells, J. 2015. Methane production and methanogen levels in steers that differ in residual gain. Journal of Animal Science. 93(5):2375-2381.

Beef cattle metabiomes and their relationships with economically important phenotypes - (Abstract Only)
Myer, P.R., Wells, J., Smith, T.P., Kuehn, L.A., Freetly, H.C. 2015. Beef cattle metabiomes and their relationships with economically important phenotypes [abstract]. Journal of Animal Science. 93(Supplement 2):7.

Changes in leptin and metabolite concentrations over time in finishing beef steers and heifers - (Abstract Only)
Foote, A.P., Keisler, D.H., Hales, K.E., Tait Jr, R.G., Freetly, H.C. 2015. Changes in leptin and metabolite concentrations over time in finishing beef steers and heifers [abstract]. Journal of Animal Science. 93(Supplement 2):91.

Differential expression of genes in the jejunum of steers with feed efficiency phenotypes - (Abstract Only)
Butler, A.R., Lindholm-Perry, A.K., Freetly, H.C. 2015. Differential expression of genes in the jejunum of steers with feed efficiency phenotypes [abstract]. Journal of Animal Science. 93(Supplement 2):179.

Characterizing the microbiome across the gastrointestinal tract from steers differing in feed efficiency - (Abstract Only)
Myer, P.R., Wells, J., Smith, T.P., Kuehn, L.A., Freetly, H.C. 2015. Characterizing the microbiome across the gastrointestinal tract from steers differing in feed efficiency. Plant and Animal Genome XXIII Conference, January 10-14, 2015, San Diego, California. Abstract No. W288.

QTLs associated with dry matter intake, metabolic mid-test weight, growth and feed efficiency have little overlap across 4 beef cattle studies Reprint Icon - (Peer Reviewed Journal)
Saatchi, M., Beever, J.E., Decker, J.E., Faulkner, D.B., Freetly, H.C., Hansen, S.L., Yampara-Iquise, H., Johnson, K.A., Kachman, S.D., Kerley, M.S., Kim, J., Loy, D.D., Marques, E., Neibergs, H.L., Pollak, E.J., Schnabel, R.D., Seabury, C.M., Shike, D.W., Snelling, W.M., Spangler, M.L., Weaber, R.L., Garrick, D.J., Taylor, J.F. 2014. QTLs associated with dry matter intake, metabolic mid-test weight, growth and feed efficiency have little overlap across 4 beef cattle studies. Biomed Central (BMC) Genomics. 15:1004.

Effects of dietary glycerin inclusion at 0, 5, 10, and 15 percent of dry matter on energy metabolism and nutrient balance in finishing beef steers Reprint Icon - (Peer Reviewed Journal)
Hales, K.E., Foote, A.P., Brown-Brandl, T.M., Freetly, H.C. 2015. Effects of dietary glycerin inclusion at 0, 5, 10, and 15 percent of dry matter on energy metabolism and nutrient balance in finishing beef steers. Journal of Animal Science. 93(1):348-356.

Volatile organic compound flux from manure of cattle fed diets differing in grain processing method and co-product inclusion Reprint Icon - (Peer Reviewed Journal)
Hales, K.E., Parker, D.B., Cole, N.A. 2015. Volatile organic compound flux from manure of cattle fed diets differing in grain processing method and co-product inclusion. Atmospheric Environment. 100:20-24.

The consequence of level of nutrition on heifer ovarian and mammary development Reprint Icon - (Peer Reviewed Journal)
Freetly, H.C., Vonnahme, K.A., McNeel, A.K., Camacho, L.E., Amundson, O.L., Forbes, E.D., Lents, C.A., Cushman, R.A. 2014. The consequence of level of nutrition on heifer ovarian and mammary development. Journal of Animal Science. 92(12):5437-5443.

Association of circulating active and total ghrelin concentrations with dry matter intake, growth, and carcass characteristics of finishing beef cattle Reprint Icon - (Peer Reviewed Journal)
Foote, A.P., Hales, K.E., Lents, C.A., Freetly, H.C. 2014. Association of circulating active and total ghrelin concentrations with dry matter intake, growth, and carcass characteristics of finishing beef cattle. Journal of Animal Science. 92(12):5651-5658.

Genetic markers that influence feed efficiency phenotypes also affect cattle temperament as measured by flight speed Reprint Icon - (Peer Reviewed Journal)
Lindholm-Perry, A.K., Kuehn, L.A., Freetly, H.C., Snelling, W.M. 2015. Genetic markers that influence feed efficiency phenotypes also affect cattle temperament as measured by flight speed. Animal Genetics. 46(1):60-64.

Lysozyme as an alternative to antibiotics improves performance in nursery pigs during an indirect immune challenge Reprint Icon - (Peer Reviewed Journal)
Oliver, W.T., Wells, J., Maxwell, C.W. 2014. Lysozyme as an alternative to antibiotics improves performance in nursery pigs during an indirect immune challenge. Journal of Animal Science. 92(11):4927-4934.

Effects of feeding dry-rolled corn-based diets with and without wet distillers grains with solubles and zilpaterol hydrochloride on performance characteristics, and heat stress in finishing beef steers Reprint Icon - (Peer Reviewed Journal)
Hales, K.E., Shackelford, S.D., Wells, J., King, D.A., Hayes, M., Brown-Brandl, T.M., Kuehn, L.A., Freetly, H.C., Wheeler, T.L. 2014. Effects of feeding dry-rolled corn-based diets with and without wet distillers grains with solubles and zilpaterol hydrochloride on performance characteristics, and heat stress in finishing beef steers. Journal of Animal Science. 92(9):4023-4033.

Relationship between selection for feed efficiency and methane production - (Literature Review)
Freetly, H.C. 2014. Relationship between selection for feed efficiency and methane production. Proceedings of the 46th Beef Improvement Federation Annual Meeting and Research Symposium, June 18-21, 2014, Lincoln, Nebraska. p. 112-115.

Association of plasma ghrelin concentrations with feed intake in beef cattle - (Abstract Only)
Foote, A.P., Hales, K.E., Lents, C.A., Freetly, H.C. 2014. Association of plasma ghrelin concentrations with feed intake in beef cattle [abstract]. Journal of Animal Science Supplement. 92(E-Supplement 2):361.

RNA-Seq detection of differential gene expression in the rumen of beef steers associated with feed efficiency phenotypes - (Abstract Only)
Kern, R.J., Lindholm-Perry, A.K., Freetly, H.C., Snelling, W.M., Kern, J.W., Miles, J.R., Ludden, P.A. 2014. RNA-Seq detection of differential gene expression in the rumen of beef steers associated with feed efficiency phenotypes [abstract]. Journal of Animal Science. 92(E-Supplement 2):918.

Comparison of efficiency of energy use in Holstein and Jersey dairy cows offered diets containing reduce fat distillers grains (RFDDGS) - (Abstract Only)
Garcia Gomez, G., Foth, A., Kononoff, P.J., Brown-Brandl, T., Freetly, H.C. 2014. Comparison of efficiency of energy use in Holstein and Jersey dairy cows offered diets containing reduce fat distillers grains (RFDDGS) [abstract]. Journal of Animal Science Supplement. 92(E-Supplement 2):825. Abstract #1687.

Effects of metabolizable energy intake on tympanic temperature and average daily gain of steers finished in southern Chile during wintertime - (Abstract Only)
Arias, R.A., Brown-Brandl, T., Mader, T.L. 2014. Effects of metabolizable energy intake on tympanic temperature and average daily gain of steers finished in southern Chile during wintertime [abstract]. Journal of Animal Science Supplement. 92(E-Supplement 2):294. Abstract #585.

Effects of dietary glycerin inclusion at 0, 5, 10, and 15% of dry matter on energy metabolism and nutrient balance in finishing beef steers - (Abstract Only)
Hales, K.E., Foote, A.P., Brown Brandl, T.M., Freetly, H.C. 2014. Effects of dietary glycerin inclusion at 0, 5, 10, and 15% of dry matter on energy metabolism and nutrient balance in finishing beef steers [abstract]. Journal of Animal Science Supplement. 92(E-Supplement 2):296-297.

Can we improve cow efficiency or manipulate feeding strategies to reduce inputs? - (Abstract Only)
Freetly, H.C. 2014. Can we improve cow efficiency or manipulate feeding strategies to reduce inputs [abstract]? Journal of Animal Science Supplement. 92(E-Supplement 2):63-64.

Phosphorus and calcium retention in serially harvested cattle - (Abstract Only)

Changes in the rumen microbiome from steers differing in feed efficiency - (Abstract Only)
Myer, P.R., Freetly, H.C., Smith, T.P. 2014. Changes in the rumen microbiome from steers differing in feed efficiency [abstract]. American Society for Microbiology 114th General Meeting. Poster No. 1292.

DNA polymorphisms and transcript abundance of PRKAG2 and phosphorylated AMP-activated protein kinase in the rumen are associated with gain and feed intake in beef steers Reprint Icon - (Peer Reviewed Journal)
Lindholm-Perry, A.K., Kuehn, L.A., Oliver, W.T., Kern, R.J., Cushman, R.A., Miles, J.R., McNeel, A.K., Freetly, H.C. 2014. DNA polymorphisms and transcript abundance of PRKAG2 and phosphorylated AMP-activated protein kinase in the rumen are associated with gain and feed intake in beef steers. Animal Genetics. 45(4):461-472.

Energy content of reduced-fat distillers grains for lactating dairy cows - (Abstract Only)
Foth, A.J., Gomez, G.G., Brown Brandl, T.M., Freetly, H.C., Kononoff, P.J. 2014. Energy content of reduced-fat distillers grains for lactating dairy cows [Abstract]. Journal of Animal Science. 92(E-Suppl. 2):171. Abstract #0345.

Effects of maternal nutrient restriction followed by realimentation during midgestation on uterine blood flow in beef cows Reprint Icon - (Peer Reviewed Journal)
Camacho, L.E., Lemley, C.O., Prezotto, L.D., Bauer, M.L., Freetly, H.C., Swanson, K.C., Vonnahme, K.A. 2014. Effects of maternal nutrient restriction followed by realimentation during midgestation on uterine blood flow in beef cows. Theriogenology. 81(9):1248-1256.

House-level moisture production of modern swine by age, temperature and source - (Proceedings)
Hayes, M., Brown-Brandl, T.M., Stinn, J.P., Li, H., Xin, H., Nienaber, J.A., Shepherd, T. 2013. House-level moisture production of modern swine by age, temperature and source. In: Proceedings of the American Society of Agricultural and Biological Engineers Annual International Meeting, July 21-24, 2013, Kansas City, Missouri. ASABE Paper No. 131618005.

Lysozyme as an alternative to antibiotics improves growth performance and tumor necrosis factor-a levels during an indirect immune challenge - (Abstract Only)
Oliver, W.T., Wells, J., Maxwell, C.V. 2014. Lysozyme as an alternative to antibiotics improves growth performance and tumor necrosis factor-a levels during an indirect immune challenge [abstract]. Journal of Animal Science 92(Supplement 2):50.

Surface enlargement factor of rumen papillae and expression of genes involved in dermatological diseases and their relationships with feed intake in beef steers - (Abstract Only)
Kern, R.J., Lindholm-Perry, A.K., Freetly, H.C., Snelling, W.M., Miles, J.R., Ludden, P.A. 2014. Surface enlargement factor of rumen papillae and expression of genes involved in dermatological diseases and their relationships with feed intake in beef steers [abstract]. Journal of Animal Science. 92(Supplement 2):32.

An evaluation of the differences in the rumen transcriptome among beef steers with extreme feed efficiency phenotypes - (Abstract Only)
Lindholm-Perry, A.K., Kern, R.J., Kuehn, L.A., Miles, J.R., Freetly, H.C., Snelling, W.M., Ludden, P.A. 2014. An evaluation of the differences in the rumen transcriptome among beef steers with extreme feed efficiency phenotypes. Plant & Animal Genome XXII Conference, January 11-15, 2014, San Diego, CA. Abstract No. W155.

Effects of decreased dietary roughage concentration on energy metabolism and nutrient balance in finishing beef cattle Reprint Icon - (Peer Reviewed Journal)
Hales, K.E., Brown-Brandl, T.M., Freetly, H.C. 2014. Effects of decreased dietary roughage concentration on energy metabolism and nutrient balance in finishing beef cattle. Journal of Animal Science. 92(1):264-271.

Adipose and muscle tissue gene expression of two genes (NCAPG and LCORL) located in a chromosomal region associated with cattle feed intake and gain Reprint Icon - (Peer Reviewed Journal)
Lindholm-Perry, A.K., Kuehn, L.A., Oliver, W.T., Sexten, A.K., Miles, J.R., Rempel, L.A., Cushman, R.A., Freetly, H.C. 2013. Adipose and muscle tissue gene expression of two genes (NCAPG and LCORL) located in a chromosomal region associated with cattle feed intake and gain. PLoS One. 8(11):e80882.

Effects of glycerin on receiving performance and health status of beef steers and nutrient digestibility and rumen fermentation characteristics of growing steers Reprint Icon - (Peer Reviewed Journal)
Hales, K.E., Kraich, K.J., Bondurant, R.G., Meyer, B.E., Luebbe, M.K., Brown, M.S., Cole, N.A., MacDonald, J.C. 2013. Effects of glycerin on receiving performance and health status of beef steers and nutrient digestibility and rumen fermentation characteristics of growing steers. Journal of Animal Science. 91(9):4277-4289.

Effects of crude glycerin in steam-flaked corn-based diets fed to growing feedlot cattle Reprint Icon - (Peer Reviewed Journal)
Hales, K.E., Bondurant, R.G., Luebbe, M.K., Cole, N.A., MacDonald, J.C. 2013. Effects of crude glycerin in steam-flaked corn-based diets fed to growing feedlot cattle. Journal of Animal Science. 91(8):3875-3880.

Influence of dry matter intake, dry matter digestibility, and feeding behavior on body weight gain of beef steers Reprint Icon - (Peer Reviewed Journal)
Davis, M.P., Freetly, H.C., Kuehn, L.A., Wells, J. 2014. Influence of dry matter intake, dry matter digestibility, and feeding behavior on body weight gain of beef steers. Journal of Animal Science. 92(7):3018-3025.

Feedlot research at the U.S. Meat Animal Research Center - (Literature Review)
Freetly, H.C., Hales Paxton, K.E. 2013. Feedlot research at the U.S. Meat Animal Research Center. In: Proceeding of the 2013 Plains Nutrition Council Spring Conference, April 18-19, 2013, San Antonio, Texas. p. 102-107.

Effects of roughage concentration in dry-rolled corn-based diets containing wet distillers grains with solubles on performance and carcass characteristics of finishing beef steers Reprint Icon - (Peer Reviewed Journal)
Hales, K.E., Freetly, H.C., Shackelford, S.D., King, D.A. 2013. Effects of roughage concentration in dry-rolled corn-based diets containing wet distillers grains with solubles on performance and carcass characteristics of finishing beef steers. Journal of Animal Science. 91(7):3315-3321.

Ruminal and adipose gene expression in beef steers selected for diverse feed intake and gain phenotypes - (Abstract Only)
Lindholm-Perry, A.K., Rempel, L.A., Hales, K.E., Oliver, W.T., Freetly, H.C., Kuehn, L.A. 2013. Ruminal and adipose gene expression in beef steers selected for diverse feed intake and gain phenotypes [abstract]. Journal of Animal Science Supplement. 91(E-Supplement 2):629.

Ruminal methanogens in steers that are negative or positive for residual gain - (Abstract Only)
Freetly, H., Wells, J., Kim, M., Hales, K., Lindholm-Perry, A. 2013. Ruminal methanogens in steers that are negative or positive for residual gain [abstract]. Journal of Animal Science. 91(E-Supplement 2):437.

Insulin and insulin-like growth factor-I (IGF-I) receptor phosphorylation in µ-calpain knockout mice - (Abstract Only)
Oliver, W., Chishti, A., Kemp, C. 2013. Insulin and insulin-like growth factor-I (IGF-I) receptor phosphorylation in µ-calpain knockout mice [abstract]. Journal of Animal Science Supplement. 91(E-Supplement 2):628.

Environmental impact of new feeding choices in the feedlot industry - (Abstract Only)
Hales, K.E. 2013. Environmental impact of new feeding choices in the feedlot industry [abstract]. Journal of Animal Science Supplement. 91(Supplement 2):33. Abstract No. O102.

Last Modified: 2/23/2016
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