不同优质饲草对冷季安尕力巴犊牛饲喂效果的分析

Analysis of the Feeding Effects of Different HighQuality Forages on An􀆳galiba Calves during the Cold Season

摘要:

为研究不同人工种植优质饲草最佳组合对舍饲安尕力巴犊牛(AGN)的饲喂效果,随机选择体重、体高、体斜长、胸围及管围相近的40头10月龄安尕力巴犊牛作为试验对象,试验Ⅰ组、Ⅱ组、Ⅲ组安尕力巴犊牛采用栓系饲喂方式、试验Ⅳ组放牧兼补饲。饲喂不同组合的裹包青贮饲料,经过90 d的养殖,试验Ⅰ组(燕麦草70%、红豆草20%、高丹草10%)增重44.08 kg;试验Ⅱ组(燕麦草60%、红豆草40%)增重26.59 kg;,试验Ⅲ组(燕麦草60%、高丹草40%)增重24.06 kg;试验Ⅳ组增重-13.48 kg。经济效益试验Ⅰ组1 667.5元、试验Ⅱ组810.5元、试验Ⅲ组706.5元、试验Ⅳ组-813.5元。结果表明,与放牧兼补饲组对比分析在冷季采用舍饲养殖,利用最优质粗饲料组合更有利于安尕力巴犊牛的生长发育。

Abstract:

To study the optimal combination of artificially cultivated highquality forages for the feeding of An??galiba calves in confinement,40 An??galiba calves of 10 months old with similar weight,height,body length,chest girth,and cannon bone circumference were randomly selected for the experiment.The calves in experimental groups Ⅰ,Ⅱ,and Ⅲ were fed using a tethered feeding method,while group Ⅳ was grazed with supplementary feeding.Different combinations of wrapped silage forages were fed for 90 days.group Ⅰ(70% oat grass,20% red bean grass,10% sorghum hybrid sudangrass) gained 44.08 kg;group Ⅱ(60% oat grass,40% red bean grass) gained 26.59 kg;group Ⅲ(60% oat grass,40% sorghum hybrid sudangrass) gained 24.06 kg;group Ⅳ gained -13.48 kg.The economic benefits were 1 667.5 yuan for group Ⅰ,810.5 yuan for group Ⅱ,706.5 yuan for group Ⅲ,and -813.5 yuan for group Ⅳ.The results showed that the best quality coarse fodder combination was more beneficial to the growth and development of Angus cross cattle in cold season compared with grazing and supplementary feeding group.