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United States Department of Agriculture

Agricultural Research Service

Animal Nutrient Limits
item A study of the level and dynamics of Eimeria populations in naturally infected, grazing beef cattle at various stages of production in the mid-Atlantic U.S.A. (Mar 2014)
item Surface enlargement factor of rumen papillae and expression of genes involved in dermatological diseases and their relationships with feed intake in beef steers (Mar 2014)
item Lysozyme as an alternative to antibiotics improves growth performance and tumor necrosis factor-a levels during an indirect immune challenge (Mar 2014)
item Effects of decreased dietary roughage concentration on energy metabolism and nutrient balance in finishing beef cattle (Jan 2014)
item Effect of high and low antral follicle count in pubertal beef heifers on IVF (Jan 2014)
item An evaluation of the differences in the rumen transcriptome among beef steers with extreme feed efficiency phenotypes (Jan 2014)
item Atf3 Expression in the Corpus Luteum: Possible Role in Luteal Regression (Dec 2013)
item Adipose and muscle tissue gene expression of two genes (NCAPG and LCORL) located in a chromosomal region associated with cattle feed intake and gain (Nov 2013)
item Effect of age at puberty/conception date on cow longevity (Nov 2013)
item Alternative models in genetic analyses of carcass traits measured by ultrasonography in Guzerá cattle: A Bayesian approach (Sep 2013)
item Heifer calving date positively influences calf weaning weights through six parturitions (Sep 2013)
item Effects of glycerin on receiving performance and health status of beef steers and nutrient digestibility and rumen fermentation characteristics of growing steers (Aug 2013)
item Effects of crude glycerin in steam-flaked corn-based diets fed to growing feedlot cattle (Aug 2013)
item Ruminal methanogens in steers that are negative or positive for residual gain (Jul 2013)
item Ruminal and adipose gene expression in beef steers selected for diverse feed intake and gain phenotypes (Jul 2013)
item Intake, digestibility, and passage rate of three warm-season grass hays consumed by beef steers (Jul 2013)
item Relationship of follicle size and concentrations of estradiol among cows that do and do not exhibit estrus during a fixed-time AI protocol (Jul 2013)
item The effects of selecting for the myostatin F94L polymorphism on reproductive traits in pubertal heifers (Jul 2013)
item Changes in ovarian function associated with circulating concentrations of estradiol prior to a GnRH-induced ovulation in beef cows (Jul 2013)
item A bovine model for polycystic ovary syndrome (Jul 2013)
item 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 (Jul 2013)
item Does reduced peri-pubertal nutrient intake influence the ovarian reserve in beef heifers? (Jul 2013)
item Insulin and insulin-like growth factor-I (IGF-I) receptor phosphorylation in µ-calpain knockout mice (Jul 2013)
item Granulosa cells from bovine follicles activate different signal transduction pathways dependent on follicle health status and ability to convert androstenedione to estrogen (Jul 2013)
item Association of STAT2 SNP genotypes and growth phenotypes in heifers from an Angus, Brahman and Romosinuano diallel population (Jun 2013)
item Feedlot research at the U.S. Meat Animal Research Center (Apr 2013)
item Bovine females with thecal cell androgen excess result in altered oocyte maternal effect gene abundance (Mar 2013)
item How our basic understanding of the ovarian reserve is improving reproductive management in domestic farm animals (Mar 2013)
item Sericea lespdeza as an aid in the control of Emeria spp. in lambs (Mar 2013)
item Environmental impact of new feeding choices in the feedlot industry (Mar 2013)
item Physiology and Endocrinology Symposium: The current status of heat shock in early embryonic survival and reproductive efficiency (Mar 2013)
item Silvopasture: Small ruminants for establishment, management and usage (Feb 2013)
item Effects of forage species or concentrate finishing on animal performance, carcass and meat quality (Jan 2013)
item Management strategies for improving lifetime reproductive success in beef heifers (Dec 2012)
item Effect of heifer calving date on longevity and lifetime productivity (Dec 2012)
item What we know about the genetics of reproduction (Dec 2012)
Last Modified: 9/20/2013
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