簡要介紹
貴(gui)州白山羊是(shi)貴(gui)州省地(di)方優良品種(zhong), 具有性成熟早(zao)、繁殖(zhi)力強、適(shi)應性廣(guang)、肉質優良、遺傳性能穩定等特點。
貴(gui)州(zhou)(zhou)白(bai)山(shan)羊(yang)原產(chan)于黔(qian)東北(bei)烏江中下游的(de)沿河、思(si)南、務川等縣,分布在貴(gui)州(zhou)(zhou)遵義、銅仁兩地,黔(qian)東南苗族侗族自治州(zhou)(zhou)、黔(qian)南布依族苗族自治州(zhou)(zhou)也(ye)有(you)(you)分布。公母羊(yang)均有(you)(you)角,頜(he)下有(you)(you)須(xu),公羊(yang)頸(jing)部有(you)(you)卷毛,少數母羊(yang)頸(jing)下有(you)(you)一(yi)對肉(rou)垂。該品(pin)種具有(you)(you)產(chan)肉(rou)性能(neng)好(hao)(hao),繁殖力(li)強(qiang),板(ban)皮質量好(hao)(hao)等特性。貴(gui)州(zhou)(zhou)白(bai)山(shan)羊(yang)肉(rou)質細嫩,肌肉(rou)間(jian)有(you)(you)脂肪分布,板(ban)皮拉(la)力(li)強(qiang)而柔軟,纖維(wei)致密。
體形外貌
貴州白山(shan)羊是貴州省優良的地方肉(rou)(rou)用山(shan)羊良種。白色(se)短毛,體型中等,大部分(fen)有(you)角(jiao),角(jiao)向同側后(hou)上外(wai)扭曲(qu)生長;有(you)須(xu),腿(tui)較(jiao)短,背寬平(ping),體軀較(jiao)長大豐滿,后(hou)軀發育良好。頭寬額平(ping),頸部較(jiao)圓,部分(fen)母羊頸下有(you)一對肉(rou)(rou)垂(chui),胸深,背寬平(ping),體軀呈圓桶(tong)狀,體長,四(si)肢較(jiao)矮。毛被(bei)以(yi)白色(se)為(wei)主,其次為(wei)麻、黑、花色(se),毛被(bei)較(jiao)短。少數羊鼻、臉、耳部皮(pi)膚上有(you)灰褐色(se)斑點。
產地環境
產區地(di)(di)(di)勢復雜,西高東(dong)低,海拔為(wei)(wei)(wei)(wei)500—1200m,坡度為(wei)(wei)(wei)(wei)30度左右(you),山(shan)間有(you)(you)零星盆地(di)(di)(di),鄰近的川(chuan)、湘兩省(sheng)屬(shu)云貴高原東(dong)斜坡向(xiang)四川(chuan)盆地(di)(di)(di)及湘西丘陵的過(guo)渡地(di)(di)(di)帶。氣候溫暖濕(shi)潤,年(nian)平均氣溫為(wei)(wei)(wei)(wei)15.5—21度,年(nian)降(jiang)水量(liang)為(wei)(wei)(wei)(wei)1030一1355mm,80%的降(jiang)水量(liang)集中(zhong)在4一10月份,無霜期為(wei)(wei)(wei)(wei)250一290 d。河流主(zhu)要(yao)屬(shu)烏江水系(xi),河網(wang)密度大。土壤(rang)多為(wei)(wei)(wei)(wei)酸性黃壤(rang)土及紅壤(rang)土。農(nong)作物一年(nian)二(er)、三(san)熟,主(zhu)要(yao)有(you)(you)水稻、玉米、甘(gan)薯、小麥、油(you)菜等。農(nong)業副產品豐富,為(wei)(wei)(wei)(wei)山(shan)羊(yang)的發展提(ti)供了良好的飼(si)料條(tiao)件。
生長性能
貴州(zhou)白(bai)山羊(yang)(yang)初生(sheng)重,公(gong)羔平(ping)(ping)(ping)均(jun)(jun)為(wei)(wei)1.7kg,母羔平(ping)(ping)(ping)均(jun)(jun)為(wei)(wei)1.6kg;3月齡(ling)公(gong)羔平(ping)(ping)(ping)均(jun)(jun)為(wei)(wei)8.1kg,3月齡(ling)母羔平(ping)(ping)(ping)均(jun)(jun)為(wei)(wei)7.5kg;周(zhou)(zhou)歲公(gong)羊(yang)(yang)平(ping)(ping)(ping)均(jun)(jun)為(wei)(wei)19.6kg,相當于(yu)成(cheng)年(nian)公(gong)羊(yang)(yang)的60.22%,周(zhou)(zhou)歲母羊(yang)(yang)平(ping)(ping)(ping)均(jun)(jun)為(wei)(wei)18.3kg,相當于(yu)成(cheng)年(nian)母羊(yang)(yang)的56.18%。成(cheng)年(nian)公(gong)羊(yang)(yang)體(ti)重平(ping)(ping)(ping)均(jun)(jun)為(wei)(wei)32.8kg,成(cheng)年(nian)母羊(yang)(yang)平(ping)(ping)(ping)均(jun)(jun)為(wei)(wei)30.8kg。
生產性能
貴州白山羊(yang)肉(rou)質細嫩(nen),肌肉(rou)間有脂(zhi)肪(fang)(fang)分布,膻(shan)味(wei)輕(qing)。一般在(zai)秋、冬兩季屠(tu)(tu)宰(zai)(zai)。成年(nian)羯(jie)羊(yang)體(ti)(ti)重平(ping)均(jun)(jun)為(wei)(wei)47.53kg,胴(dong)(dong)體(ti)(ti)重平(ping)均(jun)(jun)為(wei)(wei)23.26kg,內臟(zang)脂(zhi)肪(fang)(fang)重平(ping)均(jun)(jun)為(wei)(wei)4.27kg,凈(jing)肉(rou)重平(ping)均(jun)(jun)為(wei)(wei)19.02kg,屠(tu)(tu)宰(zai)(zai)率(包括內臟(zang)脂(zhi)肪(fang)(fang))平(ping)均(jun)(jun)為(wei)(wei)57.92形,凈(jing)肉(rou)率平(ping)均(jun)(jun)為(wei)(wei)40.02%;一歲揭(jie)羊(yang)體(ti)(ti)重平(ping)均(jun)(jun)為(wei)(wei)24.11kg,胴(dong)(dong)體(ti)(ti)重平(ping)均(jun)(jun)為(wei)(wei)11.45kg,內臟(zang)脂(zhi)肪(fang)(fang)重平(ping)均(jun)(jun)為(wei)(wei)1.40kg,凈(jing)肉(rou)重平(ping)均(jun)(jun)為(wei)(wei)8.83kg,屠(tu)(tu)宰(zai)(zai)率(包括內臟(zang)脂(zhi)肪(fang)(fang))平(ping)均(jun)(jun)為(wei)(wei)53.30%,凈(jing)肉(rou)率平(ping)均(jun)(jun)為(wei)(wei)36.60%。
皮板品質
貴州白山羊的皮(pi)板厚薄均勻,柔(rou)韌(ren)、纖維致密,毛孔細小,拉力強(qiang),張(zhang)幅面積在3000~6000平(ping)方厘米之間(jian),干皮(pi)重為500~700g。
繁殖性能
貴(gui)州白(bai)(bai)山(shan)(shan)羊性成熟早,母羊初(chu)情期(qi)在3~4月齡,發(fa)情周期(qi)為17~20d,發(fa)情持續期(qi)為2d。5個(ge)月齡就(jiu)開始(shi)配種(zhong)。公羊一(yi)歲后閹(yan)割(ge)肥育,故(gu)產(chan)區很少見到飼養大(da)公羊。貴(gui)州白(bai)(bai)山(shan)(shan)羊常年(nian)產(chan)羔,1~3月份產(chan)羔占(zhan)全年(nian)的一(yi)半。母羊產(chan)后45d即可發(fa)情配種(zhong),能年(nian)產(chan)兩胎(tai)。從1~7胎(tai)(4歲左右)產(chan)羔率逐漸上升,為124.27~180.0%,7胎(tai)后下(xia)降。貴(gui)州白(bai)(bai)山(shan)(shan)羊平均產(chan)羔率為273.60%,年(nian)繁殖存活率平均為243.19%。
觀測結(jie)果顯(xian)示,選育群(qun)和自繁(fan)群(qun)羊均具有明(ming)顯(xian)的早熟性能, 其各項指(zhi)標(biao)符合貴州白(bai)(bai)山(shan)羊品(pin)種繁(fan)殖(zhi)生理特征, 說明(ming)貴州白(bai)(bai)山(shan)羊品(pin)種繁(fan)殖(zhi)生理指(zhi)標(biao)具有穩定的遺傳性。
養殖技術
要(yao)養(yang)(yang)好貴州(zhou)白山羊(yang)(yang)(yang)(yang)(yang)(yang)(yang)(yang),就(jiu)(jiu)得從(cong)羔(gao)(gao)羊(yang)(yang)(yang)(yang)(yang)(yang)(yang)(yang)抓起,羔(gao)(gao)羊(yang)(yang)(yang)(yang)(yang)(yang)(yang)(yang)長至幾周齡后,母羊(yang)(yang)(yang)(yang)(yang)(yang)(yang)(yang)奶已(yi)不(bu)能滿足(zu)其營養(yang)(yang)需(xu)要(yao),因此需(xu)早(zao)期(qi)(qi)訓(xun)練羔(gao)(gao)羊(yang)(yang)(yang)(yang)(yang)(yang)(yang)(yang)吃草(cao)吃料(liao)(liao),進行(xing)補飼(si)(si)。一(yi)般(ban)從(cong)7-10日(ri)(ri)齡開始(shi)誘食,15-30日(ri)(ri)齡日(ri)(ri)喂50-70克,30-60日(ri)(ri)齡達(da)到100克,60-90日(ri)(ri)齡達(da)到200克,保(bao)證羔(gao)(gao)羊(yang)(yang)(yang)(yang)(yang)(yang)(yang)(yang)全活全壯,快速生(sheng)長,為早(zao)期(qi)(qi)斷(duan)奶和(he)后期(qi)(qi)育肥打好基礎(chu)。早(zao)期(qi)(qi)斷(duan)奶在(zai)(zai)100日(ri)(ri)齡進行(xing),最遲不(bu)要(yao)超過4月齡,這樣(yang)可(ke)縮短產(chan)羔(gao)(gao)間(jian)隔,增(zeng)(zeng)加(jia)母羊(yang)(yang)(yang)(yang)(yang)(yang)(yang)(yang)利用(yong)(yong)(yong)(yong)(yong)年(nian)限內所產(chan)胎(tai)數,養(yang)(yang)殖戶(hu)在(zai)(zai)加(jia)強喂養(yang)(yang)羔(gao)(gao)羊(yang)(yang)(yang)(yang)(yang)(yang)(yang)(yang)的(de)同時(shi),對于育種(zhong)(zhong)羊(yang)(yang)(yang)(yang)(yang)(yang)(yang)(yang)的(de)管理(li)方面,利用(yong)(yong)(yong)(yong)(yong)肉用(yong)(yong)(yong)(yong)(yong)優(you)良品種(zhong)(zhong)公羊(yang)(yang)(yang)(yang)(yang)(yang)(yang)(yang)與本地母羊(yang)(yang)(yang)(yang)(yang)(yang)(yang)(yang)開展二元(yuan)或三元(yuan)雜(za)交,生(sheng)產(chan)優(you)良雜(za)種(zhong)(zhong)羔(gao)(gao)羊(yang)(yang)(yang)(yang)(yang)(yang)(yang)(yang),育肥生(sheng)產(chan)商品肉羊(yang)(yang)(yang)(yang)(yang)(yang)(yang)(yang)。雜(za)種(zhong)(zhong)羊(yang)(yang)(yang)(yang)(yang)(yang)(yang)(yang)不(bu)僅(jin)生(sheng)長快,飼(si)(si)料(liao)(liao)報酬(chou)高(gao),而(er)且肉質(zhi)好、鮮嫩、售價高(gao),經(jing)濟(ji)效益好。要(yao)養(yang)(yang)好羊(yang)(yang)(yang)(yang)(yang)(yang)(yang)(yang),還(huan)有就(jiu)(jiu)是(shi)(shi)要(yao)有充足(zu)的(de)飼(si)(si)料(liao)(liao),因此必須廣開飼(si)(si)料(liao)(liao)來(lai)源,保(bao)證白山羊(yang)(yang)(yang)(yang)(yang)(yang)(yang)(yang)飼(si)(si)料(liao)(liao)常年(nian)不(bu)斷(duan)。在(zai)(zai)解決山羊(yang)(yang)(yang)(yang)(yang)(yang)(yang)(yang)飼(si)(si)料(liao)(liao)來(lai)源問題上,廣大農民在(zai)(zai)實(shi)踐中(zhong)積累了豐富的(de)經(jing)驗。他們的(de)措施(shi)是(shi)(shi):廣泛收集,種(zhong)(zhong)植放養(yang)(yang)和(he)加(jia)工貯(zhu)(zhu)存(cun)。可(ke)以采(cai)集野草(cao),同時(shi)還(huan)需(xu)因地制宜(yi),種(zhong)(zhong)植一(yi)些高(gao)產(chan)青飼(si)(si)料(liao)(liao)草(cao),如優(you)優(you)玉米草(cao)、優(you)優(you)苜蓿等(deng)高(gao)產(chan)牧(mu)草(cao)品種(zhong)(zhong)。加(jia)工貯(zhu)(zhu)存(cun)方式,大體有三種(zhong)(zhong):一(yi)是(shi)(shi)曬(shai)干貯(zhu)(zhu)存(cun):在(zai)(zai)夏秋季節(jie),將羊(yang)(yang)(yang)(yang)(yang)(yang)(yang)(yang)吃不(bu)完的(de)青綠(lv)飼(si)(si)料(liao)(liao),曬(shai)成青干草(cao),供山羊(yang)(yang)(yang)(yang)(yang)(yang)(yang)(yang)枯(ku)草(cao)季節(jie)利用(yong)(yong)(yong)(yong)(yong)。二是(shi)(shi)制成青貯(zhu)(zhu)料(liao)(liao):將優(you)質(zhi)青草(cao)等(deng)進行(xing)青貯(zhu)(zhu),在(zai)(zai)冬季代替青料(liao)(liao)喂羊(yang)(yang)(yang)(yang)(yang)(yang)(yang)(yang)。三是(shi)(shi)窖藏部分新鮮的(de)青飼(si)(si)料(liao)(liao)和(he)多(duo)汁飼(si)(si)料(liao)(liao),以備補料(liao)(liao)之(zhi)用(yong)(yong)(yong)(yong)(yong)。貴州(zhou)規模化飼(si)(si)養(yang)(yang)白山羊(yang)(yang)(yang)(yang)(yang)(yang)(yang)(yang)的(de)飼(si)(si)養(yang)(yang)場開始(shi)利用(yong)(yong)(yong)(yong)(yong)設施(shi)養(yang)(yang)殖,以往(wang)農戶(hu)養(yang)(yang)羊(yang)(yang)(yang)(yang)(yang)(yang)(yang)(yang)采(cai)用(yong)(yong)(yong)(yong)(yong)樁拴系,露天飼(si)(si)養(yang)(yang),羊(yang)(yang)(yang)(yang)(yang)(yang)(yang)(yang)群(qun)往(wang)往(wang)出現夏壯、秋肥、冬瘦(shou)、春(chun)乏的(de)狀況(kuang)。所以若想增(zeng)(zeng)加(jia)養(yang)(yang)羊(yang)(yang)(yang)(yang)(yang)(yang)(yang)(yang)效益,就(jiu)(jiu)應(ying)推廣設施(shi)養(yang)(yang)殖,建(jian)(jian)造布局結構合理(li)的(de)羊(yang)(yang)(yang)(yang)(yang)(yang)(yang)(yang)舍(she)或暖(nuan)棚。這樣(yang)無(wu)論(lun)在(zai)(zai)炎(yan)夏還(huan)是(shi)(shi)寒冬,羊(yang)(yang)(yang)(yang)(yang)(yang)(yang)(yang)群(qun)都(dou)有一(yi)個舒(shu)適的(de)生(sheng)活環(huan)境,促其快速生(sheng)長與增(zeng)(zeng)重。飼(si)(si)養(yang)(yang)設施(shi)的(de)合理(li)建(jian)(jian)造與布局,可(ke)大大降低疾病(bing)的(de)發生(sheng)。把(ba)錢(qian)花在(zai)(zai)羊(yang)(yang)(yang)(yang)(yang)(yang)(yang)(yang)舍(she)建(jian)(jian)設上比花錢(qian)買藥(yao)吃更經(jing)濟(ji),何況(kuang)用(yong)(yong)(yong)(yong)(yong)藥(yao)過多(duo)會產(chan)生(sheng)藥(yao)物殘(can)留(liu)。
養(yang)殖戶在(zai)做好了羊(yang)的喂養(yang)管(guan)理后,防(fang)病(bing)的管(guan)理可不能少,因(yin)為(wei)(wei)疾病(bing)是養(yang)羊(yang)生產的一大威(wei)脅(xie),應(ying)重點搞(gao)好傳染病(bing)的預(yu)防(fang)接種工作,堅持(chi)預(yu)防(fang)為(wei)(wei)主的原則。定期(qi)驅除羊(yang)體內外寄生蟲,注(zhu)意圈舍的衛生消(xiao)毒,在(zai)日常管(guan)理中經常觀察羊(yang)只(zhi)精神(shen)、飲食、糞便等(deng)是否正常,做到沒病(bing)早防(fang),有病(bing)早發現、早治療。
地理分布
貴(gui)州(zhou)白山(shan)羊(yang)是貴(gui)州(zhou)省優良的地(di)方山(shan)羊(yang)品種(zhong)之一,原產(chan)于黔東(dong)北烏(wu)江(jiang)中下游的沿河、思南(nan)和務川(chuan)等縣,分布在貴(gui)州(zhou)省的遵義、銅(tong)仁兩地(di),黔東(dong)南(nan)苗族侗族自(zi)治(zhi)州(zhou)、黔南(nan)布依族苗族自(zi)治(zhi)州(zhou)也有分布。
養殖歷史
貴州白(bai)山(shan)(shan)羊(yang)是一個古(gu)老的山(shan)(shan)羊(yang)品種,據(ju)明嘉(jia)靖(公元1522—1567)年(nian)間《思(si)南府志》記載:“羊(yang),皆山(shan)(shan)羊(yang),罕綿羊(yang)”。又據(ju)《史記》、《后漢書》等(deng)記敘,在現(xian)今的思(si)南、印江、沿河一帶,漢代以前飼養牲畜已具規(gui)模(mo),黃牛、山(shan)(shan)羊(yang)已為當地主要家畜。由此可見,貴州飼養白(bai)山(shan)(shan)羊(yang)已有(you)悠久(jiu)的歷(li)史。
價值
貴州白山羊肉質細嫩(nen),肌肉間有(you)脂肪分布(bu)。具有(you)極(ji)高的營養價值。
該品種具(ju)有(you)產肉(rou)性能(neng)好(hao),繁殖力強,板皮質量好(hao)等特性。貴州白山羊肉(rou)質細(xi)嫩,肌(ji)肉(rou)間有(you)脂肪分布,板皮拉(la)力強而柔軟(ruan),纖維(wei)致密。