Plasma Levels of Water Soluble Vitamins in Various Classes of Catile
نویسنده
چکیده
Plasma samples from suckling beef calves, transport-stressed weaned calves, 500 kg feedlot cattle, and lactating dairy cows were analyzed for vitamin C, folic acid, pantothenic acid, and vitamin B12' Plasma from stressed calves also was analyzed for vitamin B6' Differences in plasma levels were detected between groups. Plasma vitamin C was highest in suckling calves, but similar for stressed calves, feedlot cattle and dairy cows. Folic acid levels were highest in feedlot cattle and lowest in suckling calves and stressed calves. Pantothenic acid was markedly lower in all cattle than in nonruminants; it was similar in suckling calves and feedlot cattle but lower in stressed calves and dairy cows. Vitamin B12 was similar for suckling calves, stressed calves, and dairy cows, but low in feedlot cattle. Stressed calves had extremely low concentrations of plasma vitamin B6'
منابع مشابه
Effect of fasting on the urinary excretion of water-soluble vitamins in humans and rats.
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