奥奶净对奶牛生产性能和血液生化指标的影响

选择45头泌乳前期奶牛，根据年龄、胎次、泌乳时间和产奶量进行配对，随机分为对照组、试验Ⅰ组和试验Ⅱ组，各组均饲喂奶牛场配制的全混合饲料，另外，试验Ⅰ组每天每头奶牛日粮中添加45g奥奶净，试验Ⅱ组每天每头奶牛日粮中添加60g奥奶净，研究奥奶净对奶牛生产性能和血液生化指标的影响。结果表明，与对照组相比，补饲45g／d和60g／d奥奶净的奶牛产奶量分别提高了2．34％和2．96％（P〈0．05）；乳脂率分别提高2．63％和6．72％；体细胞数分别下降了35．92％和42．55％（P〈0．05）；磷酸肌酸激酶有提高的趋势，乳酸脱氢酶呈下降趋势；奶牛血清IgG、SOD和GSH-Px含量均有不同程度的提高，而MDA呈下降趋势。表明饲喂奥奶净能够促进奶牛泌乳、提高机体免疫力和机体抗应激能力．并有促进营养物质代谢的趋势。

The Effects of Omnigen-AF on Performance and Blood Indexs in Dairy Cow

45 cows of mid-lactation were divided into three groups according to age, lactation and milk yield. The treatment Ⅰ and Ⅱ were supplemented respectively 45g/g/cow and 60/g/d/cow Omnigen-AF. We studied the effects of Omnigen-AF on performance and blood indix in dairy cow. The results showed that milk yield improved 2.34% and 2.96% respectively in treatment group than that of control（P〈0.05）.The rate of milk fat improved 2.63% and 6.72% respectively in treatment group than that of control. SCC decreased 35.92% and 42.55% in treatment group than that of control （P〈0.05）. CPK had tendency to improve and LDH had tendency to decrease in treatment than that of control. IgG, SOD and GSH-Px had the tendency to improve in treatment group than that of control, but MDA had the tendency to decrease.Supplementing Omnigen-AF could improve the tendency of milk yield and immunity as well as anti-stimulation in dairy cow.