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The effects of prepartal protein levels on blood glucose and acetone and liver glycogen and fat levels during prepartal and postpartal periods were studied. Hypoglycemia and ketonemia resulted when feed intake for ten to 14 days postpartum was decreased to 35% of Morrison's TDN standard. This "ketosis" was not the known clinical type. Blood ketones were lower and the symptoms associated with ketosis were absent. Feeding at a high postpartum level prevented this condition. Liver glycogen decreased at parturition, but was high for cows with high energy intake, whereas it decreased greatly for those underfed for ten days postpartum. Editor.
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Leffel et al. (1957) studied this question.
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