摘要
本研究以简阳大耳羊四世代核心群为试验素材,对简阳大耳羊生长发育规律进行了分析,结果表明:简阳大耳羊个体大、生长发育快,在舍饲条件下,公、母羔羊2月龄断奶平均体重分别为15.21kg、13.39kg,6月龄公、母羊体重达到30.74kg、24.62kg,周岁公、母羊体重分别为48.55kg、37.24kg,成年公、母羊体重分别为73.92kg、50.26kg;简阳大耳羊2月龄断奶,到6月龄公、母羊平均日增重分别为129.42g和93.58g;简阳大耳羊生长发育曲线表明,从断奶至8月龄其体重呈直线上升趋势,8月龄开始生长速度减缓,说明简阳大耳羊具有早期生长快的特点。
An experiment was conducted with fourth generation of Jianyang Daer goat to study the growth,development law. The results showed that Jianyang Daer goat was a big-size goat with fast growing. The weaning weight of kids was 15.21 kg for male and 13.39 kg for female at the 2 months age, it reached 30.74kg and 24.62kg at the 6 months age, 48.55kg and 37.24kg at the 12 months age, 73.92kg and 50.26kg at the adult age respectively. The average daily gain （ADG） was 129.42g and 93.58 g from weaning to 6 months age for male and female, respectively. The growth curve of Jianyang Daer goat showed that the weight increased linearly from weaning to 8 months age, then slowed down after 8 month age, it proved that Jianyang daer goat had the characteristic of fast growing at early age.
出处
《四川畜牧兽医》
2012年第9期31-32,35,共3页
Sichuan Animal & Veterinary Sciences
基金
四川省畜禽育种攻关项目
四川省科技支撑计划项目(2011NZ0003)
关键词
简阳大耳羊
舍饲
生长发育规律
Jianyang daer goat
Confinedness
Growth-development law
