不同锌源对奶牛产奶量和乳品质的影响

食品科学 ›› 2005, Vol. 26 ›› Issue (9): 202-203.

不同锌源对奶牛产奶量和乳品质的影响

高峰, 江芸, 黄献林

南京农业大学动物科技学院，南京师范大学金陵女子学院食品科学系

出版日期:2005-09-15 发布日期:2011-09-20

Effects of Different Zinc Sources on Milk Yields and Milk Quality in Cows

GAO Feng, JIANG Yun, HUANG Xian-Lin

1.College of Animal Science and Technology, Nanjing Agricultural University; 2. Department of Food Science, Ginling College, Nanjing Normal University

Online:2005-09-15 Published:2011-09-20

摘要/Abstract

摘要： 本试验采用3×3拉丁方设计,将9头中国荷斯坦奶牛分为3组,分别饲喂对照组基础日粮,补加蛋氨酸锌日粮(锌含量400mg),补加氧化锌日粮(锌含量400mg),研究补饲不同锌源对奶牛产奶量及乳品质的影响。结果表明,不同来源的锌对奶牛产奶量均有不同程度提高,蛋氨酸锌提高幅度大于氧化锌,但差异不显著(p>0.05);对乳脂率无明显影响;补锌可增加乳中锌的含量,蛋氨酸锌比氧化锌明显(p<0.05)。

关键词: 奶牛, 锌源, 产奶量, 乳品质

Abstract: Nine Chinese Holstein cows were used in a replicated 3×3 Latin square design to study the effects of different zinc sources on milk yields and milk quality. Based diets supplemented with Zinc methionine(Zn-Met) and Zinc oxide(ZnO) containing 400mg zinc. The results showed that different zinc sources could increase milk yields, Zn-Met was better than ZnO, but not significant(p>0.05). No significant effect on milk fat rate (p>0.05). Zinc added to diets could increase the content of zinc in milk, significant effects were observed Zn-Met comparing with ZnO (p <0.05).

Key words: cows, zinc sources, milk yields, milk quality

高峰, 江芸, 黄献林. 不同锌源对奶牛产奶量和乳品质的影响[J]. 食品科学, 2005, 26(9): 202-203.

GAO Feng, JIANG Yun, HUANG Xian-Lin. Effects of Different Zinc Sources on Milk Yields and Milk Quality in Cows[J]. FOOD SCIENCE, 2005, 26(9): 202-203.

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