红豆草草粉替代部分精料舍饲育肥羔羊试验

Sainfoin toppings powder replacing part of feedconcentrates on lamb fattening trial

将8%,18%,28%的红豆草草粉分别替代等量的精料舍饲育肥4月龄羔羊。试验期内Ⅰ组、Ⅱ组、Ⅲ组与Ⅳ组(对照组)每只羊日增重分别为206g,226g,211g和209g,试验Ⅰ组、Ⅲ组与Ⅳ组(对照组)比较,日增重差异不显著(P>0.05);Ⅱ组与Ⅳ组(对照组)日增重差异显著(P<0.05);经屠宰测定,试验Ⅰ组、Ⅱ组、Ⅲ组和Ⅳ组(对照组)的屠宰率分别为48.91%,51.82%,49.63%和50.14%;胴体净肉率分别为76.17%,80.24%,77.63%和79.36%。结果表明,用18%左右的红豆草草粉替代等同量的精料育肥羔羊,可以降低饲养成本,提高养殖效益。

8%, 18% and 28% of sainfoin toppings powder replace the same amount of concentrate barn feeding for fattening lamb aged with 4 month trial. Trial was divided into I, Ⅱ , Ⅲ and Ⅳ group （control group）. The result showed that daily gain of per sheep is 206 g, 226 g, 211 g and 209 g respectlvely.There is no significant difference among I ,Ⅲ, Ⅳ Stoup test （P 〉 0.05）. There is a significant difference between Ⅱ and Ⅳ group （control group） in daily gain （P 〈 0.05）. The slaughter rate were 48.91%, 51.82%, 49.63% and 50.14% respectively.The net meat into of carcass were 76.17%, 80.24%, 77.63% and 79.36% respectively. 18% of sainfoin toppings replacing the same amount of concentrate of fattening lamb can reduce the feed cost, improve the breeding benefit.