三九養(yǎng)生堂記者 鄧肯·蓋伊 報道
精彩| 據(jù)??(ju)全秘(quan)國??(guo)畜??(chu)牧??(mu)總??(zong)站??(zhan)畜??(chu)禽??(qin)種??(zhong)業(yè)??(ye)指??(zhi)導?(dao)處??(chu)副??(fu)處??(chu)長??(chang)邱??(qiu)小??(xiao)田??(tian)介??(jie)紹??(shao)??，目??(mu)前??(qian)中??(zhong)國??(guo)豬??(zhu)種??(zhong)業(yè)??(ye)正?(zheng)面??(mian)臨??(lin)著??(zhe)一?(yi)些??(xie)嚴??(yan)峻?(jun)的?(de)挑??(tiao)戰(zhàn)??(zhan)??，主??(zhu)要??(yao)是??(shi)優(yōu)??(you)良??(liang)核??(he)心??(xin)種??(zhong)豬??(zhu)對??(dui)國??(guo)外?(wai)具??(ju)有??(you)較??(jiao)大?(da)依??(yi)賴??(lai)度?(du)、地??(di)方??(fang)豬??(zhu)基??(ji)因??(yin)資?(zi)源??(yuan)開??(kai)發(fā)??(fa)利??(li)用?(yong)不??(bu)足??(zu)以??(yi)及??(ji)地??(di)方??(fang)豬??(zhu)遺??(yi)傳??(chuan)多??(duo)樣?(yang)性??(xing)正??(zheng)在??(zai)逐??(zhu)步??(bu)下??(xia)降??(jiang)??。?? 長??(chang)期??(qi)以??(yi)來??(lai)??，中??(zhong)國??(guo)養(yǎng)??(yang)殖??(zhi)業(yè)??(ye)在??(zai)豬??(zhu)的??(de)遺??(yi)傳??(chuan)改??(gai)良??(liang)方?(fang)面??(mian)主??(zhu)要??(yao)是??(shi)針??(zhen)對?(dui)外??(wai)來??(lai)瘦??(shou)肉??(rou)型??(xing)品??(pin)種??(zhong)??，生??(sheng)豬??(zhu)養(yǎng)??(yang)殖??(zhi)主??(zhu)要??(yao)以??(yi)瘦??(shou)肉??(rou)型??(xing)豬??(zhu)為??(wei)主??(zhu)??。?這??(zhe)導??(dao)致??(zhi)了??(le)本??(ben)土??(tu)豬??(zhu)種??(zhong)資?(zi)源??(yuan)開??(kai)發(fā)??(fa)利??(li)用??(yong)不??(bu)足??(zu)??，地??(di)方??(fang)豬??(zhu)品?(pin)種??(zhong)群??(qun)體??(ti)和?(he)規(guī)??(gui)模??(mo)不??(bu)斷??(duan)減?(jian)少??(shao)??，造??(zao)成??(cheng)地??(di)方??(fang)豬??(zhu)資??(zi)源??(yuan)存??(cun)在??(zai)丟??(diu)失??(shi)的??(de)風??(feng)險?(xian)??。
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