摘要
以300只柯尔克孜母羊分三个组分别与多浪羊、萨福克羊和柯尔克孜羊为父本进行杂交,初步分析了各杂交后代生产性能。结果显示,多浪羊和萨福克羊为父本的F1代杂交优势明显优于柯尔克孜羊本品种F1代;实验组后代羔羊孕期发育情况优于对照组,其出生重平均在4.42㎏以上,比对照组高出0.42㎏,羔羊出生后生长速度比较快,到断奶平均日增重在200 g以上,比对照组高出20 g,4月龄后体长、体高、胸围、胸宽、胸深,管围,较对照组均有不同程度的提高,体型结构进一步得到优化。
maigaiti ram, safuke ram and keerkezi ram cross with 300 female keerkezi sheep respectively. The performance of the F1 was detected. The result show that the performance F1 of safuke and maigaiti ram were better than keerkezi ram. The birth weight of experimental group lamb is average 4.42 kg , which is 0.42kg heavier than control group. The 4 moths old lamp body length, withers height, chest circumference, of experimental group is also better than control group in chest width, chest depth and circumference of cannon bone.
出处
《草食家畜》
2014年第1期43-45,共3页
Grass-Feeding Livestock
基金
国家富民强县专项行动计划"柯尔克孜羊良种繁育及产业化生产技术示范与推广"
