新疆細毛羊
(本(ben)站編輯8tdc.com.cn)新疆(jiang)(jiang)(jiang)毛(mao)(mao)(mao)肉兼用的細(xi)(xi)(xi)(xi)毛(mao)(mao)(mao)羊,簡稱新疆(jiang)(jiang)(jiang)細(xi)(xi)(xi)(xi)毛(mao)(mao)(mao)羊,是我國50年(nian)代(dai)初育成的第(di)一(yi)代(dai)細(xi)(xi)(xi)(xi)毛(mao)(mao)(mao)羊品種。以其產(chan)毛(mao)(mao)(mao)量高(gao)、凈毛(mao)(mao)(mao)率高(gao)、羊毛(mao)(mao)(mao)品質好(hao)、體重大、產(chan)肉多(duo)、繁殖力強、適(shi)(shi)(shi)應性強、適(shi)(shi)(shi)于終年(nian)放(fang)牧(mu)、遺(yi)傳穩定等顯著(zhu)特點(dian)而著(zhu)稱。新疆(jiang)(jiang)(jiang)細(xi)(xi)(xi)(xi)毛(mao)(mao)(mao)羊主要產(chan)于新疆(jiang)(jiang)(jiang)天山(shan)北坡(po),準噶(ga)爾西(xi)部,阿爾泰(tai)山(shan)南(nan)坡(po)西(xi)段和(he)天山(shan)南(nan)坡(po)西(xi)段。中心產(chan)區(qu)在伊犁(li)地區(qu)和(he)博爾塔拉(la)蒙古自(zi)治區(qu)。這一(yi)帶海拔在1000~1500米(mi),氣候適(shi)(shi)(shi)宜,牧(mu)草(cao)豐富,適(shi)(shi)(shi)于新疆(jiang)(jiang)(jiang)細(xi)(xi)(xi)(xi)毛(mao)(mao)(mao)羊的成長與(yu)繁殖。我國的新疆(jiang)(jiang)(jiang)細(xi)(xi)(xi)(xi)毛(mao)(mao)(mao)羊的畜種工作(zuo)從30年(nian)代(dai)開始,經過40多(duo)年(nian)的艱(jian)苦(ku)奮斗,我國的畜種專家和(he)科(ke)技人(ren)員已培育出同質細(xi)(xi)(xi)(xi)毛(mao)(mao)(mao)羊達(da)150多(duo)萬(wan)頭,純(chun)種細(xi)(xi)(xi)(xi)毛(mao)(mao)(mao)羊達(da)23.5萬(wan)頭。
新(xin)疆細(xi)(xi)毛(mao)(mao)(mao)羊(yang)(yang)成長(chang)快,體(ti)(ti)重(zhong)大,產毛(mao)(mao)(mao)量多。據調(diao)查,成年(nian)公(gong)(gong)羊(yang)(yang)身(shen)高(gao)79.29厘(li)米,母(mu)羊(yang)(yang)65.87厘(li)米;成年(nian)公(gong)(gong)羊(yang)(yang)體(ti)(ti)重(zhong)最(zui)高(gao)達143公(gong)(gong)斤(jin)(jin),母(mu)羊(yang)(yang)體(ti)(ti)重(zhong)最(zui)高(gao)達94公(gong)(gong)斤(jin)(jin)。平均產毛(mao)(mao)(mao)量成年(nian)公(gong)(gong)羊(yang)(yang)達6.09公(gong)(gong)斤(jin)(jin),成年(nian)母(mu)羊(yang)(yang)可產毛(mao)(mao)(mao)2.06公(gong)(gong)斤(jin)(jin),最(zui)高(gao)公(gong)(gong)羊(yang)(yang)可產毛(mao)(mao)(mao)21.02公(gong)(gong)斤(jin)(jin),母(mu)羊(yang)(yang)達11.70公(gong)(gong)斤(jin)(jin)。新(xin)疆細(xi)(xi)毛(mao)(mao)(mao)羊(yang)(yang)的毛(mao)(mao)(mao)細(xi)(xi)度(du)為60~64支,以64支為主。毛(mao)(mao)(mao)長(chang)度(du)近9厘(li)米,羊(yang)(yang)毛(mao)(mao)(mao)密度(du)平均為每平方厘(li)米5681根。一(yi)歲半的羯羊(yang)(yang)體(ti)(ti)重(zhong)65公(gong)(gong)斤(jin)(jin),酮體(ti)(ti)重(zhong)30.37公(gong)(gong)斤(jin)(jin),屠宰率49.47%,凈肉率43.46%。
新(xin)疆細(xi)毛(mao)羊(yang)的(de)性成(cheng)熟在(zai)8月齡左右,初配(pei)年齡1.5歲(sui)。配(pei)種期分8~9月、10~11月。妊娠期平均150天。新(xin)疆細(xi)毛(mao)羊(yang)還向青(qing)海(hai)、內蒙古、甘肅等許多(duo)省、區輸送,為我國細(xi)毛(mao)羊(yang)的(de)改(gai)良工作(zuo)做出了(le)貢(gong)獻。(本文結束(shu))
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