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Maintenance energy requirements in mature beef cows and relationships with metabolic hormones, adipose gene expression, and calf performance
(2015-12)
Nonlactating, spring-calving Angus cows in mid to late gestation were used to determine variation in maintenance energy requirements (MR) and evaluate relationships between MR and concentrations of triiodothyronine (T3), ...
Ruminal Temperature for Identification and Prediction of Estrus in Beef Cows
(Oklahoma State University, 2012-07-01)
Postpartum, Angus cows were used to evaluate changes in ruminal temperature (RuT) for the identification and prediction of estrus. Cows were administered RuT transmitting boluses and synchronized with PGF2&alpha. Ruminal ...