產品介紹
湘(xiang)西黃牛主產于湖南省(sheng)湘(xiang)西北地區。性情溫馴,耐(nai)粗飼、耐(nai)熱,體(ti)型中(zhong)等,發育勻稱,前軀略高,肌肉(rou)(rou)發達(da),骨(gu)骼結實,肩峰高,頭短小,額寬闊,角形不一(yi),頸細長,頸垂大(da),胸部發達(da),背腰平直,腰臀肌肉(rou)(rou)發達(da),尾(wei)長而細,四肢筋腱明顯(xian)、強壯有力。毛(mao)色一(yi)般以黃色、褐(he)色為(wei)(wei)主。成年(nian)公牛平均體(ti)重(zhong)為(wei)(wei)334.3公斤,母牛為(wei)(wei)240.2公斤,屠宰率(lv)為(wei)(wei)39-54.4%,凈肉(rou)(rou)率(lv)為(wei)(wei)46.87%。
地域范圍
湘(xiang)(xiang)西(xi)(xi)黃(huang)牛(niu)是(shi)我國(guo)(guo)地方優良品種之(zhi)一。主(zhu)要(yao)分布(bu)在(zai)湖(hu)南(nan)省湘(xiang)(xiang)西(xi)(xi)自治州的永順縣(xian)(xian)(xian)(xian)、鳳(feng)凰縣(xian)(xian)(xian)(xian)、花垣縣(xian)(xian)(xian)(xian)、龍(long)山縣(xian)(xian)(xian)(xian)、吉首(shou)市、瀘溪縣(xian)(xian)(xian)(xian)、古(gu)丈(zhang)縣(xian)(xian)(xian)(xian)、保靖(jing)縣(xian)(xian)(xian)(xian),張家(jia)界(jie)的慈利縣(xian)(xian)(xian)(xian)、永定(ding)區(qu)(qu)(qu),懷化的新晃,在(zai)湘(xiang)(xiang)中、湘(xiang)(xiang)南(nan)和湖(hu)北鄂(e)西(xi)(xi)地區(qu)(qu)(qu)、重慶黔江區(qu)(qu)(qu)、貴州銅(tong)仁地區(qu)(qu)(qu)都有零星分布(bu)。1982年(nian)4月,中國(guo)(guo)南(nan)方六省(市)在(zai)鳳(feng)凰縣(xian)(xian)(xian)(xian)召(zhao)開(kai)黃(huang)牛(niu)優良品種鑒定(ding)會(hui),確定(ding)湘(xiang)(xiang)西(xi)(xi)黃(huang)牛(niu)中心產(chan)區(qu)(qu)(qu)為(wei)鳳(feng)凰縣(xian)(xian)(xian)(xian)柳(liu)薄鄉(xiang)。2007年(nian)5月,經(jing)農業部批準,湘(xiang)(xiang)西(xi)(xi)黃(huang)牛(niu)保種區(qu)(qu)(qu)為(wei)鳳(feng)凰縣(xian)(xian)(xian)(xian)臘爾山區(qu)(qu)(qu)。
體型外貌
湘西(xi)(xi)黃牛(niu)(niu)(niu)(niu)體格中(zhong)等,各部發育(yu)均稱(cheng),體軀較短(duan)(duan),前高(gao)后低,肌肉發達,骨骼堅實,皮膚富有彈(dan)性(xing)。湘西(xi)(xi)黃牛(niu)(niu)(niu)(niu)的頭大(da)(da)小適(shi)中(zhong),頭頂稍圓;公(gong)牛(niu)(niu)(niu)(niu)頭短(duan)(duan)額(e)寬,母牛(niu)(niu)(niu)(niu)頭較秀長(chang)。眼(yan)大(da)(da)有神,眼(yan)眶稍突出,有少(shao)數的牛(niu)(niu)(niu)(niu)上(shang)(shang)眼(yan)瞼(jian)和嘴四周(zhou)有黃白(bai)色(se)(se)(se)毛(mao)(mao)(mao),俗(su)稱(cheng)“粉嘴畫眉”。耳薄且靈活,鼻鏡寬,鼻孔大(da)(da),嘴岔深(shen)。角(jiao)(jiao)型(xing)公(gong)牛(niu)(niu)(niu)(niu)以龍(long)門(men)角(jiao)(jiao)、倒八(ba)字為多(duo),母牛(niu)(niu)(niu)(niu)多(duo)是龍(long)門(men)角(jiao)(jiao)、玲瓏(long)角(jiao)(jiao)、倒八(ba)字。湘西(xi)(xi)黃牛(niu)(niu)(niu)(niu)公(gong)牛(niu)(niu)(niu)(niu)的頸(jing)部垂皮較發達,公(gong)牛(niu)(niu)(niu)(niu)頸(jing)粗短(duan)(duan)而(er)雄(xiong)偉。前胸(xiong)開闊,鬢甲(jia)豐圓。公(gong)牛(niu)(niu)(niu)(niu)肩(jian)峰(feng)明顯,背腰(yao)平直(zhi)短(duan)(duan)寬,腹(fu)大(da)(da)而(er)不(bu)下垂。母牛(niu)(niu)(niu)(niu)乳(ru)房不(bu)發達,公(gong)牛(niu)(niu)(niu)(niu)睪(gao)丸顯露,大(da)(da)小勻稱(cheng)。前肢(zhi)正直(zhi),后肢(zhi)彎(wan)曲,即所謂的“前肢(zhi)一(yi)支(zhi)箭,后腿(tui)一(yi)張弓”,蹄質堅實,蹄以黑褐(he)色(se)(se)(se)居多(duo)。尾較長(chang),尾根(gen)較粗且著生部位高(gao)、帚毛(mao)(mao)(mao)密而(er)多(duo),越過飛節。全身(shen)毛(mao)(mao)(mao)色(se)(se)(se)以黃色(se)(se)(se)者最多(duo),占80%以上(shang)(shang),粟色(se)(se)(se)、黑色(se)(se)(se)次(ci)之,雜色(se)(se)(se)很少(shao),一(yi)般體軀上(shang)(shang)部毛(mao)(mao)(mao)色(se)(se)(se)深(shen),腹(fu)脅(xie)及四肢(zhi)內(nei)側(ce)毛(mao)(mao)(mao)色(se)(se)(se)較淺,俗(su)稱(cheng)“白(bai)漂襠”。
特定生產方式
本(ben)部分內容(rong)主要表述影(ying)響登記產品(pin)品(pin)質、特色形成(cheng)和保持的(de)特定生產方式:
1、產地選擇(ze)與特(te)殊(shu)內容規定。湘西自治州(zhou)鳳凰縣(xian)、永(yong)順(shun)縣(xian)、龍山縣(xian)、吉首市、瀘溪縣(xian)、古(gu)丈(zhang)縣(xian)、花垣縣(xian)、保靖(jing)縣(xian)。
2、品種選擇與(yu)特定要求。湘西黃牛。
3、生產過程管理,包(bao)括農業投入品方面的特殊使(shi)用規定(ding)。牛(niu)場地(di)勢高燥、背風向陽、地(di)下(xia)水位較低。牧(mu)草豐富,水源充足,水質符(fu)合NY5027的要求。離主(zhu)要交通要道、村鎮工廠1km以(yi)(yi)上。飼養管理,主(zhu)要以(yi)(yi)放(fang)牧(mu)為主(zhu),或半(ban)放(fang)牧(mu)半(ban)舍飼,成年母(mu)(mu)牛(niu)空(kong)懷期(qi),以(yi)(yi)粗料為主(zhu),適當搭(da)配(pei)(pei)少量精(jing)(jing)料,在青(qing)草期(qi),可全喂青(qing)草。妊娠至6個月(yue),以(yi)(yi)優質的青(qing)、粗飼料為主(zhu),精(jing)(jing)料為輔。妊娠至7個月(yue)后,以(yi)(yi)青(qing)粗飼料為主(zhu),適當搭(da)配(pei)(pei)精(jing)(jing)料,母(mu)(mu)牛(niu)每天喂2次或3次,每天飲水3次,冬季水溫(wen)不低于15℃為宜。
品種性能
湘西(xi)黃牛(niu)(niu)(niu)(niu)行動靈(ling)活,適于山地耕田犁(li)土(tu),母(mu)(mu)牛(niu)(niu)(niu)(niu)平(ping)均(jun)挽力83.05公(gong)(gong)(gong)(gong)(gong)斤(jin),最大挽力1210-1235公(gong)(gong)(gong)(gong)(gong)斤(jin),為(wei)(wei)體(ti)重的(de)3.37倍,長距離拉車試驗中(zhong),載(zai)重535公(gong)(gong)(gong)(gong)(gong)斤(jin),行程34公(gong)(gong)(gong)(gong)(gong)里,往返時間7小時53分,其(qi)呼(hu)吸幅度平(ping)均(jun)在84-91次/分鐘。湘西(xi)黃牛(niu)(niu)(niu)(niu)性成熟期(qi)(qi)公(gong)(gong)(gong)(gong)(gong)牛(niu)(niu)(niu)(niu)518天,母(mu)(mu)牛(niu)(niu)(niu)(niu)476天,初(chu)配年齡(ling)母(mu)(mu)牛(niu)(niu)(niu)(niu)2.5歲(sui),公(gong)(gong)(gong)(gong)(gong)牛(niu)(niu)(niu)(niu)3歲(sui),母(mu)(mu)牛(niu)(niu)(niu)(niu)生育期(qi)(qi)一般(ban)16年,最長達24年,終身(shen)產仔8-12頭(tou),最多達15頭(tou),公(gong)(gong)(gong)(gong)(gong)牛(niu)(niu)(niu)(niu)種用年限為(wei)(wei)9-10歲(sui)。湘西(xi)黃牛(niu)(niu)(niu)(niu)在農家(jia)飼養(yang)的(de)條(tiao)件下,屠宰率(lv)與凈肉率(lv)閹(yan)牛(niu)(niu)(niu)(niu)最高,分別為(wei)(wei)52.45%和43.11%,公(gong)(gong)(gong)(gong)(gong)牛(niu)(niu)(niu)(niu)次之,平(ping)均(jun)為(wei)(wei)49.79%和39.13%,母(mu)(mu)牛(niu)(niu)(niu)(niu)最低,平(ping)均(jun)為(wei)(wei)46.49%和36.91%,總(zong)平(ping)均(jun)屠宰率(lv)為(wei)(wei)49.58%,凈肉率(lv)39.72%,骨(gu)肉比為(wei)(wei)1:4.28,眼(yan)肌面積閹(yan)牛(niu)(niu)(niu)(niu)平(ping)均(jun)為(wei)(wei)51.28cm2。公(gong)(gong)(gong)(gong)(gong)牛(niu)(niu)(niu)(niu)46.45cm2,母(mu)(mu)牛(niu)(niu)(niu)(niu)42.53cm2,總(zong)平(ping)均(jun)46.75cm2。