三九養(yǎng)生堂記者 鄧肯·蓋伊 報道
精彩| 據(jù)??(ju)全??(quan)國??(guo)畜??(chu)牧??(mu)總??(zong)站??(zhan)畜??(chu)禽??(qin)種??(zhong)業(yè)??(ye)指?(zhi)導(dǎo)??(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(yán)??(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)?。?? 中??(zhong)國??(guo)現(xiàn)??(xian)有??(you)地??(di)方??(fang)豬??(zhu)種?(zhong)的??(de)品??(pin)質(zhì)?(zhi)好??(hao)、風(fēng)?(feng)味??(wei)佳??(jia)?，但??(dan)普??(pu)遍??(bian)存??(cun)在??(zai)吃??(chi)得??(de)多??(duo)、長??(chang)得?(de)慢??(man)、瘦??(shou)肉??(rou)率??(lv)低??(di)等??(deng)不??(bu)足??(zu)??。??在??(zai)王??(wang)立??(li)賢??(xian)看??(kan)來??(lai)?，適??(shi)當(dāng)??(dang)的??(de)選??(xuan)育??(yu)提??(ti)高?(gao)?，可??(ke)以??(yi)使??(shi)利??(li)用??(yong)更??(geng)為??(wei)簡??(jian)單??(dan)?，如??(ru)果??(guo)能??(neng)對??(dui)中??(zhong)國??(guo)的??(de)地??(di)方??(fang)豬??(zhu)品??(pin)種??(zhong)堅??(jian)持??(chi)選??(xuan)育??(yu)10年??(nian)至??(zhi)20年??(nian)?，其??(qi)生??(sheng)長??(chang)速??(su)度??(du)、瘦??(shou)肉??(rou)率?(lv)會??(hui)得?(de)到??(dao)顯??(xian)著??(zhu)提??(ti)高??(gao)?，其??(qi)雜??(za)交??(jiao)利??(li)用?(yong)可??(ke)能??(neng)更??(geng)為??(wei)簡??(jian)單??(dan)?，不??(bu)再??(zai)需??(xu)要??(yao)復(fù)??(fu)雜??(za)的??(de)2次??(ci)雜??(za)交??(jiao)?，同??(tong)時??(shi)可??(ke)使??(shi)商??(shang)品??(pin)豬??(zhu)中??(zhong)保??(bao)持??(chi)更??(geng)多??(duo)的??(de)地??(di)方??(fang)豬??(zhu)血??(xue)緣??(yuan)??。
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