Effects of long-term postgastric infusion of casein or glutamic acid on small intestinal starch digestion, energy balance, body composition, and metabolic fates of luminally assimilated glucose carbon in cattle
Abstract:Small intestinal starch digestion (SISD) in ruminants is limited, but SISD can be improved by postruminal supply of casein or glutamic acid. There are no reports on the effects of increases in SISD in response to greater postgastric nutrient flows from casein or glutamic acid together with cornstarch on energy balance, measures of body composition and fates of luminally assimilated glucose carbon in cattle. Twenty-four steers (BW = 179 [plus or minus] 4 kg) were duodenally infused with raw cornstarch (1.46 [pl… Show more
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