產品介紹
湘西黃(huang)牛主產于湖南省湘西北地(di)區。性情溫馴,耐(nai)粗(cu)飼、耐(nai)熱(re),體(ti)型中等(deng),發(fa)育勻(yun)稱,前軀略高,肌肉發(fa)達(da),骨(gu)骼結(jie)實(shi),肩峰高,頭短小,額寬闊,角(jiao)形(xing)不一,頸細長,頸垂大,胸部發(fa)達(da),背腰平直,腰臀肌肉發(fa)達(da),尾長而細,四肢筋腱明顯(xian)、強壯(zhuang)有力。毛色一般以黃(huang)色、褐色為(wei)(wei)主。成(cheng)年公牛平均體(ti)重為(wei)(wei)334.3公斤(jin)(jin),母牛為(wei)(wei)240.2公斤(jin)(jin),屠(tu)宰率為(wei)(wei)39-54.4%,凈肉率為(wei)(wei)46.87%。
地域范圍
湘(xiang)西(xi)(xi)(xi)黃(huang)牛(niu)是我國(guo)(guo)地(di)(di)方優良品種(zhong)之一。主要分布(bu)在(zai)湖南省湘(xiang)西(xi)(xi)(xi)自(zi)治州的(de)永順(shun)縣(xian)、鳳(feng)凰(huang)縣(xian)、花垣縣(xian)、龍山(shan)縣(xian)、吉(ji)首(shou)市、瀘(lu)溪縣(xian)、古丈縣(xian)、保靖縣(xian),張(zhang)家界(jie)的(de)慈(ci)利縣(xian)、永定(ding)區(qu)(qu),懷(huai)化的(de)新晃(huang),在(zai)湘(xiang)中、湘(xiang)南和湖北鄂西(xi)(xi)(xi)地(di)(di)區(qu)(qu)、重慶黔(qian)江區(qu)(qu)、貴(gui)州銅仁地(di)(di)區(qu)(qu)都有零(ling)星(xing)分布(bu)。1982年(nian)4月(yue),中國(guo)(guo)南方六省(市)在(zai)鳳(feng)凰(huang)縣(xian)召(zhao)開黃(huang)牛(niu)優良品種(zhong)鑒(jian)定(ding)會(hui),確(que)定(ding)湘(xiang)西(xi)(xi)(xi)黃(huang)牛(niu)中心產區(qu)(qu)為(wei)鳳(feng)凰(huang)縣(xian)柳薄(bo)鄉(xiang)。2007年(nian)5月(yue),經農(nong)業部批(pi)準,湘(xiang)西(xi)(xi)(xi)黃(huang)牛(niu)保種(zhong)區(qu)(qu)為(wei)鳳(feng)凰(huang)縣(xian)臘爾山(shan)區(qu)(qu)。
體型外貌
湘西黃(huang)(huang)牛(niu)(niu)體(ti)(ti)格中(zhong)等,各部發(fa)(fa)(fa)育(yu)均稱(cheng),體(ti)(ti)軀較(jiao)短(duan),前(qian)高后(hou)低,肌肉(rou)發(fa)(fa)(fa)達,骨骼(ge)堅實(shi),皮膚富(fu)有(you)(you)(you)彈(dan)性。湘西黃(huang)(huang)牛(niu)(niu)的(de)(de)頭大(da)(da)小(xiao)適中(zhong),頭頂(ding)稍圓(yuan);公(gong)(gong)(gong)牛(niu)(niu)頭短(duan)額寬,母(mu)牛(niu)(niu)頭較(jiao)秀長(chang)。眼大(da)(da)有(you)(you)(you)神,眼眶稍突出,有(you)(you)(you)少數的(de)(de)牛(niu)(niu)上眼瞼和嘴(zui)四(si)周有(you)(you)(you)黃(huang)(huang)白(bai)色(se)(se)毛(mao)(mao),俗稱(cheng)“粉(fen)嘴(zui)畫眉(mei)”。耳薄且靈活(huo),鼻鏡(jing)寬,鼻孔大(da)(da),嘴(zui)岔深。角(jiao)(jiao)型公(gong)(gong)(gong)牛(niu)(niu)以(yi)龍門(men)(men)角(jiao)(jiao)、倒八字(zi)為(wei)多,母(mu)牛(niu)(niu)多是龍門(men)(men)角(jiao)(jiao)、玲(ling)瓏角(jiao)(jiao)、倒八字(zi)。湘西黃(huang)(huang)牛(niu)(niu)公(gong)(gong)(gong)牛(niu)(niu)的(de)(de)頸(jing)部垂(chui)(chui)皮較(jiao)發(fa)(fa)(fa)達,公(gong)(gong)(gong)牛(niu)(niu)頸(jing)粗短(duan)而雄偉(wei)。前(qian)胸開闊(kuo),鬢甲豐圓(yuan)。公(gong)(gong)(gong)牛(niu)(niu)肩峰明顯,背腰平直短(duan)寬,腹大(da)(da)而不下垂(chui)(chui)。母(mu)牛(niu)(niu)乳房(fang)不發(fa)(fa)(fa)達,公(gong)(gong)(gong)牛(niu)(niu)睪丸顯露,大(da)(da)小(xiao)勻稱(cheng)。前(qian)肢(zhi)(zhi)正(zheng)直,后(hou)肢(zhi)(zhi)彎(wan)曲,即(ji)所謂(wei)的(de)(de)“前(qian)肢(zhi)(zhi)一支箭,后(hou)腿一張弓”,蹄質(zhi)堅實(shi),蹄以(yi)黑(hei)褐色(se)(se)居多。尾較(jiao)長(chang),尾根(gen)較(jiao)粗且著生(sheng)部位高、帚毛(mao)(mao)密(mi)而多,越過飛節。全身毛(mao)(mao)色(se)(se)以(yi)黃(huang)(huang)色(se)(se)者(zhe)最多,占(zhan)80%以(yi)上,粟色(se)(se)、黑(hei)色(se)(se)次之,雜色(se)(se)很(hen)少,一般體(ti)(ti)軀上部毛(mao)(mao)色(se)(se)深,腹脅及四(si)肢(zhi)(zhi)內側(ce)毛(mao)(mao)色(se)(se)較(jiao)淺,俗稱(cheng)“白(bai)漂襠”。
特定生產方式
本部(bu)分內容主要(yao)表述影響登記產品(pin)品(pin)質、特色形(xing)成和保(bao)持的特定生產方式:
1、產(chan)地選擇與特殊內容規定。湘西自治州鳳凰(huang)縣(xian)(xian)(xian)、永順縣(xian)(xian)(xian)、龍山縣(xian)(xian)(xian)、吉首市、瀘溪縣(xian)(xian)(xian)、古丈縣(xian)(xian)(xian)、花垣(yuan)縣(xian)(xian)(xian)、保靖縣(xian)(xian)(xian)。
2、品(pin)種選擇與特定要求。湘(xiang)西黃牛。
3、生(sheng)產(chan)過程管理,包括(kuo)農(nong)業(ye)投入品方面的(de)(de)特殊使用規(gui)定。牛場地勢高燥、背風(feng)向(xiang)陽、地下水(shui)位較低。牧(mu)草豐富(fu),水(shui)源充足(zu),水(shui)質符合NY5027的(de)(de)要(yao)求。離主要(yao)交通(tong)要(yao)道、村(cun)鎮(zhen)工廠(chang)1km以上。飼(si)(si)養管理,主要(yao)以放牧(mu)為(wei)主,或(huo)半放牧(mu)半舍飼(si)(si),成年母(mu)牛空懷期(qi),以粗料為(wei)主,適當搭配(pei)少量精(jing)料,在青草期(qi),可全喂青草。妊娠至6個月,以優質的(de)(de)青、粗飼(si)(si)料為(wei)主,精(jing)料為(wei)輔。妊娠至7個月后,以青粗飼(si)(si)料為(wei)主,適當搭配(pei)精(jing)料,母(mu)牛每天(tian)喂2次或(huo)3次,每天(tian)飲水(shui)3次,冬(dong)季水(shui)溫不低于(yu)15℃為(wei)宜。
品種性能
湘西黃(huang)牛(niu)行動靈活,適(shi)于山(shan)地耕(geng)田犁土,母牛(niu)平(ping)(ping)均(jun)挽(wan)力83.05公(gong)(gong)斤(jin)(jin),最(zui)大挽(wan)力1210-1235公(gong)(gong)斤(jin)(jin),為(wei)體重的(de)3.37倍,長距離拉(la)車試驗中,載重535公(gong)(gong)斤(jin)(jin),行程34公(gong)(gong)里(li),往返(fan)時(shi)間(jian)7小時(shi)53分(fen)(fen),其呼(hu)吸幅度(du)平(ping)(ping)均(jun)在(zai)84-91次(ci)/分(fen)(fen)鐘。湘西黃(huang)牛(niu)性(xing)成熟(shu)期公(gong)(gong)牛(niu)518天,母牛(niu)476天,初配(pei)年齡母牛(niu)2.5歲,公(gong)(gong)牛(niu)3歲,母牛(niu)生育(yu)期一般16年,最(zui)長達24年,終身產仔8-12頭(tou),最(zui)多達15頭(tou),公(gong)(gong)牛(niu)種用年限為(wei)9-10歲。湘西黃(huang)牛(niu)在(zai)農家飼養(yang)的(de)條件(jian)下,屠(tu)宰率與凈(jing)肉(rou)率閹(yan)牛(niu)最(zui)高,分(fen)(fen)別為(wei)52.45%和(he)43.11%,公(gong)(gong)牛(niu)次(ci)之(zhi),平(ping)(ping)均(jun)為(wei)49.79%和(he)39.13%,母牛(niu)最(zui)低(di),平(ping)(ping)均(jun)為(wei)46.49%和(he)36.91%,總(zong)平(ping)(ping)均(jun)屠(tu)宰率為(wei)49.58%,凈(jing)肉(rou)率39.72%,骨肉(rou)比(bi)為(wei)1:4.28,眼肌面積(ji)閹(yan)牛(niu)平(ping)(ping)均(jun)為(wei)51.28cm2。公(gong)(gong)牛(niu)46.45cm2,母牛(niu)42.53cm2,總(zong)平(ping)(ping)均(jun)46.75cm2。