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首页> 外文期刊>Malaysian Journal of Animal Science >Effect of feeding fractionated RBD palm stearin on milk yield and quality of dairy cattle
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Effect of feeding fractionated RBD palm stearin on milk yield and quality of dairy cattle

机译：饲喂分步RBD棕榈硬脂精对奶牛产奶量和质量的影响

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摘要

Energy intake of dairy cows is important during the peak of milk production to maintain consistency of milk yield. To overcome energy deficiency, diet with high energy density is required for lactating dairy cows which can be enhanced by incorporating fats. Therefore a feeding trial was conducted to determine the effects of supplementing fat with fractionated RBD Palm Stearin on feed consumption, milk yield, composition and fatty acid profile of dairy cows. A total of 35 lactating dairy cows in early and mid-lactating periods were used in this trial. The trial was conducted for 12 wk and individual milk yield was recorded twice daily. Daily milk yield was increased (p<0.05) from 8.18 l for diet without fat to 8.42 and 8.32 l of milk yield per day, for inclusion of 5% and 2.5% fractionated RBD Palm Stearin, respectively.
机译：在产奶高峰期间，奶牛的能量摄入很重要，以保持产奶量的一致性。为了克服能量不足，泌乳奶牛需要高能量密度的饮食，可以通过掺入脂肪来提高泌乳能力。因此，进行了饲喂试验，以确定分馏的RBD棕榈硬脂精补充脂肪对奶牛的饲料消耗，产奶量，组成和脂肪酸谱的影响。该试验总共使用了35头哺乳早期和中期泌乳的奶牛。试验进行了12周，每天记录两次牛奶产量。从分别添加了5％和2.5％的RBD棕榈硬脂精的日粮中，无脂肪饮食的每日牛奶产量增加了（p <0.05），从无脂肪饮食的8.18 l增加到每天8.42和8.32 l。

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