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Physical characteristics, blood hormone concentrations, and plasma lipid concentrations in obese horses with insulin resistance.
OBJECTIVE To compare obese horses with insulin resistance (IR) with nonobese horses and determine whether blood resting glucose, insulin, leptin, and lipid concentrations differed between groups andExpand
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Effect of increasing energy and protein intake on body growth and carcass composition of heifer calves.
The objective was to determine whether increased energy and protein intake between 2 and 14 wk of age would increase growth rates of heifer calves without fattening. At 2 wk of age, Holstein heiferExpand
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Polymorphisms in the bovine leptin promoter associated with serum leptin concentration, growth, feed intake, feeding behavior, and measures of carcass merit.
Leptin is the hormone product of the obese gene synthesized and secreted predominantly by white adipocytes. It functions as a lipostatic signal regulating BW, food intake, energy expenditure,Expand
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Leptin in horses: tissue localization and relationship between peripheral concentrations of leptin and body condition.
Obesity has been a major concern in the horse industry for many years, and the recent discovery of leptin and leptin receptors in numerous nonequine species has provided a basis for new approaches toExpand
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Influence of body condition at calving and postpartum nutrition on endocrine function and reproductive performance of primiparous beef cows.
The influences of body condition score (BCS) at calving and postpartum nutrition on endocrine and ovarian functions, and reproductive performance, were determined by randomly allocating thin (meanExpand
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The relationship between mitochondrial function and residual feed intake in Angus steers.
The objective of this study was to examine the relationship between mitochondrial function and residual feed intake in Angus steers. Individual feed intakes were recorded for a contemporary group ofExpand
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Plasma leptin determination in ruminants: effect of nutritional status and body fatness on plasma leptin concentration assessed by a specific RIA in sheep.
A specific leptin RIA was developed to assess concentrations of leptin in ovine plasma, and was shown to be efficient with bovine and caprine plasma. A specific, high-affinity antibody was generatedExpand
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Follicular function in lactating dairy cows treated with sustained-release bovine somatotropin.
The objective of this study was to determine the long-term, short-term, and residual effects of bovine somatotropin (bST) on ovarian function. Twenty-six Holstein cows were assigned to one of fourExpand
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Effects of controlled heat stress on ovarian function of dairy cattle. 1. Lactating cows.
The objective of this experiment was to determine the effects of controlled heat stress on ovarian function of lactating dairy cows. Estrus was synchronized (estrus = d 0), and cows were randomlyExpand
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Programming of glucose-insulin metabolism in adult sheep after maternal undernutrition.
The present study examines the effects of late vs. early gestation undernutrition on adult glucose-insulin homeostasis in sheep and investigates whether the lower birth weight of twins altersExpand
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