奶牛专用霉菌毒素吸附剂对泌乳奶牛生产性能的影响

The Effect of Mycotoxin Binder on Milk Yield and Milk Composition in Lactating Dairy Cows

奶牛饲料原料中霉菌毒素广泛存在,并严重地威胁着奶牛健康,影响着奶牛生产性能的发挥。本试验选择年龄、胎次、产奶量、泌乳天数接近的荷斯坦奶牛90头,随机分成两组考察奶牛专用霉菌毒素吸附剂对乳牛生产性能的影响。在饲喂等量的基础日粮上,对照组额外添加20g/(d·头)精料补充料,试验组添加霉菌毒素吸附剂——普乐菲特20g/(d·头),其他饲养管理方式不变。该试验预饲期7d,试验期77d。结果表明,霉菌毒素吸附剂的添加不影响乳脂、乳蛋白,但对提高产奶量以及降低原料奶中体细胞数(P<0.05)有明显的效果。本研究表明,日粮添加霉菌毒素吸附剂可有效提高原料奶质量,提高牧场整体经济效益。

Mycotoxin in feed can bring negative effect on dairy health and decrease production of lactating dairy cows. The objective of this study was to evaluate milk production and milk composition when dietary mycotoxin binder was supplemented, and determine change of SCC in milk. Ninety dairy cows were randomly assigned to control group with 20 g concentration for a cow per day and experimental group with 20 g mycotoxin binder for a cow per day. The experimental period keep 97 days. The first 7 d of 97 d for adaptation period, cows were gradually introduced to their assigned diet. It was shown that dietary mycotoxin binder adding had not affect on milk composition, but milk yield increased tendency and SCC markedly decreased （P〈0.05）. Therefor, the experiment indicated that mycotoxin binder may improve raw milk quality and enhance economic profit for dairy cattle farm.