首页> 外文期刊>Journal of Dairy Science >Mutrition, feeding, and calves: Long-Term Effects of Feeding Gossypol and Vitamin E to Dairy Calves
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Mutrition, feeding, and calves: Long-Term Effects of Feeding Gossypol and Vitamin E to Dairy Calves

机译:营养,喂养和犊牛:喂棉酚和维生素E对奶牛犊的长期影响

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Male Holstein calves were used to test the effect of feeding 400 mg of gossypol/kg of diet and to determine whether vitamin E could counteract gos- sypol toxicity. Fifty-two calves were allotted to treat- ments as follows: 1) soybean meal-based starter; 2) cottonseed meal-based starter; 3) cottonseed meal- based starter + 2000 IU of vitamin E/d per calf, and 4) cottonseed meal-based starter + 4000 IU of vita- min E/d per calf. Vitamin E supplementation (treat- ments 3 and 4) improved weight gain and feed intake over calves on treatment 1. Gossypol concentrations in plasma were higher in calves on treatments 2, 3, and 4 than in calves on treatment 1; however, no differences were observed among animals receiving the three cottonseed meal diets.
机译:雄性荷斯坦犊牛用于测试饲喂每公斤日粮400 mg棉酚的效果,并确定维生素E是否可以抵消棉酚的毒性。 52只犊牛被分配给以下处理:1)豆粕型发酵剂; 2)基于棉籽粉的发酵剂; 3)以棉籽粉为基础的起子+每小牛2000 IU维生素E / d,和4)以棉籽粉为基础的起子+每小牛的维生素E / d 4000 IU。补充维生素E(处理3和4)与处理1的犊牛相比,增加了体重增加和采食量。处理2、3和4的犊牛血浆棉酚浓度高于处理1的犊牛;血浆1中的棉酚浓度更高。然而,在接受三种棉籽粕饮食的动物之间没有观察到差异。

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