"抗热应激中草药添加剂"对奶牛产奶量和乳汁成分的影响

夏季热应激是影响奶牛产奶量的一个重要因素。采用中兽医学理论对夏季热应激奶牛进行辨证施治 ,组方“中草药饲料添加剂”作为抗热应激缓冲剂。选择 1 6头年龄、胎次、生产性能相似的奶牛分成 2组 (每组各 8头 )进行添加剂饲喂试验。结果表明 ,添加中草药复合剂的试验组产奶量比空白对照组明显提高 (P <0 .0 5) ,试验组的乳汁监测也表明 ,中草药添加剂在提高奶牛产奶量的同时 ,不但不影响牛奶品质 ,还能提高牛奶营养成分。血液生化指标证明中草药添加剂还能提高奶牛的免疫力

The Effect of Thermoresistant Stress Chinese Herbal Additive on Yield and the Composition of Milk of Dairy Cows in Heat stress

Heat stress in summer is serious to dairy cows, which causes un-favourable effects such as decreasing milk yield and reproduction, increasing the incidence of disease etc. In this study, traditional Chinese medical science principle was used to diagnose and analyse the heat stress, Chinese herbal medicine additives were selected and used for the diary cows. 16 cows (8 cows per group) were used to determine the effects of Chinese Herbal Medicine additive on milk yield and composition. We found that Chinese Herbal Medicine group produced more milk than the control group in a remarkable level (P<0.05). The result showed that Chinese Herbal additives not only didn't affect the composition of milk, but also raised the nutritious value of milk. The inhibitory effect of the herbal medicine was proved by the test of the index of blood in the dairy cows.The mechanism of the principle of Chinese herbal medicine and traditional Chinese medical science was also discussed in this paper.