摘要
育成羊又被称为断奶羔羊,是指羔羊从断奶到第1次配种前的公羊和母羊,年龄通常在3~18月内。这个阶段的羊表现为生长发育速度较快,饲料利用率极高,对营养物质的需求量较大,18月龄后公羊体重达20~25 kg,母羊可以达到15~20 kg。这个阶段如果营养供给不当,会对羊群正常生长发育造成严重威胁,表现为体质较轻、躯体较为狭窄,不利于后期正常发情配种,影响养殖场生产性能,甚至会失去种用价值。育成羊是羊群的未来,培育高质量的育成羊是提升养殖效益、扩大养殖规模的关键。该文探讨舍饲羊从育成阶段到成年阶段的饲养管理要点。
Weaned lambs are referred to as weaned lambs,which are rams and ewes from the time of weaning to the first mating,usually within 3~18 months of age.The performance of this stage of sheep is rapid growth and development,high feed utilization rate,a greater demand for nutrients,18 months old male sheep weight of 20~25 kg,ewe can reach 15~20 kg.At this stage,if the nutrition supply is not appropriate,it will pose a serious threat to the normal growth and development of sheep.The performance of sheep is lighter and the body is narrower,which is unfavorable to the normal estrus and breeding at the later stage,and affects the production performance of the farm,it may even lose its usefulness.Breeding sheep is the future of sheep,breeding sheep with high quality is the key to improve the breeding efficiency and expand the scale of breeding.This paper deals with the main points of feeding and management of house-fed sheep from the breeding stage to the adult stage.
作者
李金军
Li Jinjun(Integrated Security and Technology Promotion Center of Wanheyong Town,Keshiketeng Banner,Chifeng City,Inner Mongolia,Chifeng 025368,China)
出处
《畜牧兽医科学(电子版)》
2021年第10期40-41,共2页
Graziery Veterinary Sciences:Electronic Version
关键词
舍饲羊
育成养殖
饲养管理
house-feeding sheep
breeding and breeding
feeding management