蛋氨酸锌对40日龄吉戎兔血清生化指标的影响

随机选取40日龄健康吉绒Ⅱ系吉戎兔72只，分成4组，每组3个重复，每个重复6只。试验I为对照组，饲喂基础饲料；试验Ⅱ、Ⅲ、Ⅳ分别添加40，80，120mg/kg蛋氨酸锌。结果表明，日增重在试验期0～15d期间及16～30d期间，试验Ⅲ与其它组差异显著（P〈0．05），分别比对照组、试验Ⅱ、Ⅳ组提高13．94％和11．31％、6．60％和5．93％及7．47％和8．44％。料重比在试验期0～15d期间，试验Ⅲ与其它组差异显著（P〈0．05），分别比对照组、试验Ⅱ、Ⅳ组改善12．23％、6．19％及6．95％；在试验期16～30d期间，试验Ⅲ和试验Ⅱ差异不显著（P〉0．05），但与对照组和试验Ⅳ差异显著（P〈0．05），试验Ⅲ比对照组、试验Ⅱ、Ⅳ组改善10．16％、5．60％、7．78％。试验Ⅳ血清锌和白蛋白含量与对照组差异显著（P〈0．05）。试验组血清碱性磷酸酶、总蛋白含量与对照组差异显著（P〈0．05），各处理组间尿素氮差异不显著（P〉0．05）。结论为在40日龄吉戎兔饲粮中添加80mg/kg蛋氨酸锌适宜。

Effects of Dietary Supplementation of Zn-Met on Serum Parameters of 40-day-old Jirong Rabbits

A 30-day growth trial was conducted to investigate the effects of 4 concentrations （0, 40, 80, 120 mg/kg） Zinc- Methionine （Zn-Met） supplementation on growth and blood biochemical indexes of Jirong rabbits （40 day-age）. 72 Jirong rabbits were randomly divided into 4 groups. The group were dividied 3 replicates with 6 rabbits each. as group Ⅰ （0mg/kg, control group）, group Ⅱ （40 mg/kg）, groupⅢ（80 mg/kg） and grouplV（120 mg/kg）. Jirong rabbits were housed in two step battery cages respectively. The Met values in the basal diet were 0.60%. ADG of group Ⅲ was significantly different than other groups by 13.94%, 6.60%, 7.47% during 0 ~ 15d and 11.31%, 5.93%, 8.44% during 16 ~ 30d （P 〈 0.05）. The content of serum zinc, ALB for groupslV were significantly different than the control group（P 〈 0.05）.The serum AKP and TP in groupsⅡ,Ⅲ,Ⅳ were significantly different than the control group（P 〈 0.05）. The results showed that 80mg/kg Zn-Met in diet is efficient in 40-day-old Jirong rabbit.