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哺乳母猪饲粮添加不同类型脂肪粉对母乳及仔猪生长性能的影响 被引量:1

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摘要 为研究哺乳母猪饲粮中添加不同脂肪(乳化均衡脂肪、功能性脂肪)对母乳和哺乳仔猪生长性能的影响,选取30头3~6胎次、妊娠105 d健康的长大杂种母猪,按胎次、体况和预产期相近的原则随机分成3组,每组10头母猪,单栏饲养,试验期28 d,仔猪21日龄断奶。从母猪产前1周至仔猪断奶,对照组饲喂玉米-豆粕型基础饲粮,优脂能组在基础饲粮中添加4%乳化均衡粉末脂肪(商品名优脂能),优速能组在基础饲粮中添加0.4%功能性脂肪(中链甘油三酯,商品名优速能)。结果表明:与对照组相比,优脂能组显著提高乳中n-3脂肪酸(二十碳五烯酸、二十二碳六烯酸)的含量,降低乳中n-6脂肪酸(C18∶2)的含量,母乳乳脂率、仔猪断奶重显著提高;优速能组提高乳中中链脂肪酸(C8∶0和C10∶0)的含量,仔猪断奶重、成活率及乳脂含量也有所提高。结论:在母猪妊娠后期及哺乳期饲粮中添加脂肪(尤其是乳化均衡粉末脂肪),提高乳中n-3脂肪酸(尤其是二十碳五烯酸、二十二碳六烯酸)含量及乳脂率,显著提高仔猪哺乳期增重,改善仔猪生长性能。
出处 《养猪》 2014年第2期25-28,共4页 Swine Production
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