ANSC 4270 Lecture Notes - Lecture 4: Victorian Football League, Propionate, Subcutaneous Tissue
1 Dec 2016
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Depression in dm intake right before calving: used to think this was because of calve size taking up room in stomach (not true, some thought it took time for the gut to get big enough (also not true, resynthesis of the gut in 24 hours, therefore can change really quickly its on purpose cow intentionally loses body weight. Glucose balance glucose balance milk yield (kg/d) lactose yield (g/d) mam glc uptake (mol/d) 9 milk ne yield (mcal/d) maintenance ne (mcal/d) 11. 6. Increase in dmi lags be hind increase in milk yield: upwards of 90% of hepatic glucose production taken up by mammary glands, more than 75% of metabolizable protein (mp) intake output as milk protein causing negative mp balance, more than 100% of net energy (ne) intake output as milk energy causing negative ne balance. Nutrient partitioning gut nutrient partitioning adipose, muscle blood nutrients metabolic hormones gut nutrient partitioning milk adipose, muscle metabolic hormones.
