代乳料对羔羊生产性能及血液生化指标的影响

[目的]研究代乳料对羔羊生产性能及血液生化指标的影响,探讨羔羊早期断奶的可行性。[方法]将37只10~15日龄的白头萨福克(♂)×小尾寒羊(♀)F1羔羊随机分为A、B、C、D 4个组进行试验。其中,A、B、C 3组羔羊分别饲喂3种不同的代乳料;D组羔羊为对照组,不断奶,随母羊哺乳。分别测定各组的生产性能指标及血液生化指标。[结果]生产性能指标:10~15日龄时,B、C组日增重显著低于D组(P<0.05),而A组与D组间差异不显著;16~25、26~35日龄各组羔羊日增重均无显著差异;46~55日龄时,试验组羔羊日增重显著高于对照组(P<0.05)。血液生化指标:B组和C组的血浆尿素氮(PUN)显著高于A组(P<0.05),B组和C组间差异不显著;各组中血浆白蛋白(ALB)含量比较接近,无显著差异;B组总蛋白(TP)含量有高于A组和C组的趋势,但差异不显著;A、B、C 3组间总氨基酸浓度差异不显著。[结论]用代乳料饲喂羔羊并实现羔羊的早期断奶是可行的。

Effects of Milk Replacer on the Performance and Blood Biochemical Indices in Lambs

[Objective] In this study,the performance and blood biochemical indices in lamps fed on milk replacer were researched,the feasibility of early weaned in lamps was discussed.[Method] 37 of 10 days lambs of Suffolk(♂)×XiaoWeiHanYang(♀) were randomly divided into group A,B,C,D for this experiment.Group A,B,C were fed by 3 milk-replacers containing milk for different protein source respectively,and ten lambs in each group;group D(seven lambs) were fed by ewes as the control.The performance and blood biochemical indices of the lamps were determined.[Result] The results showed that the average daily gains of 10-15 days of age was not significantly different between group A and D(P>0.05),the control were higher significantly than the group B,C(P<0.05).The average daily gains of 16-25,26-35 days of age were not significantly different in group A,B,C,D.The daily weight gains of Group A,B,C in 45-55 days of age were higher significantly than the control(P<0.05).Plasma urea nitrogen(PUN) of group B and C were higher than group A significantly(P<0.05);Total protein(TP),Plasma albumin(ALB) and Plasma total amino acid were no significant difference among the other 3 groups(P>0.05).[Conclusion] So,the milk-replacers were available for early-weaned lamb.