title: Age-related changes in carbohydrate tolerance in healthy neonatal calves.
abstract: Calves at 3 to 4 days of age had higher plasma glucose concentrations during glucose and lactose tolerance tests (orally administered glucose and lactose) than when the calves were 8 to 9 days old. These observations may be accounted for by decreased insulin secretion and/or insulin sensitivity of the target tissues. Lower hepatic glucokinase activity in neonates also may allow increased passage of splanchnic glucose to the system circulation.
mesh_terms: D000375:Aging; D000818:Animals; D000831:Animals, Newborn; D001786:Blood Glucose / Q000378:metabolism; D002417:Cattle; D004040:Dietary Carbohydrates; D005947:Glucose / Q000378:metabolism; D005951:Glucose Tolerance Test; D007785:Lactose / Q000378:metabolism
chemical_list: D001786:Blood Glucose; D004040:Dietary Carbohydrates; D005947:Glucose; D007785:Lactose