自配料与商品料对生长猪育肥效果比较

Comparing of effect fattening on growing pigs between the feed from market and the feed compounded by ourself

选用 12头平均体重 36 6± 0 9kg(P >0 0 5 )、日龄相近、健康的大约×清平二元杂交生长猪 ,随机分为Ⅰ、Ⅱ、Ⅲ组处理 ,分别饲喂自配料 +自配添加剂、自配料、商品料进行试验 ,试验期为 4 0d。结果显示 :(1)Ⅰ、Ⅱ、Ⅲ组处理的料肉比分别为 3 5 3、3 5 7、3 80 ,Ⅰ组比Ⅲ组料肉比下降 7 1% ,Ⅱ组比Ⅲ组下降 6 1% ;饲料成本下降 18 8%。 3组间的平均日增重无显著差异 (P >0 0 5 )。 (2 )增重营养成本 ,DE :Ⅰ组比Ⅲ组下降 5 0 % ,Ⅱ组比Ⅲ组下降 4 0 % ;CP :Ⅰ组比Ⅲ组下降 5 0 % ,Ⅱ组比Ⅲ组下降 3 6 %。

Twelve Growing Pigs Crossbred(Large Yorkshire×Qing Ping pig lback)average weight 36 6±0 9 kilogram were randomly allocated 3 different groups(ⅠⅡⅢ),( P >0 05).Pigs in group Ⅰfed the compounded feed and additive ourself,pigs in group Ⅱfed compounded feed ourself,pigs in group Ⅲ fed marketable feed (compare).At the end of the 40 days it was indicated:(1)Ratio of taken feed and put on weight is different:Group Ⅰ3 53?Group Ⅱ 3 57?Group Ⅲ 3 80,it dropped 7 1% and 6 1% vespectively GroupⅠⅡcompared with Group Ⅲ,feed costs dropped 18 8%.In the 3 groups,it was no remarkable in average daily gain.( P >0 05).(2)nutritive costs of put on weight,DE:it dropped 5 0% and 4 0%,comparing between GroupⅠ,GroupⅡ and GroupⅢ.CP:It dropped 5 0% and 3 6% group ⅠⅡcompared with group Ⅲ.