安(an)(an)哥(ge)拉(la)山(shan)羊(yang)(yang)(yang)是古老的(de)毛(mao)用山(shan)羊(yang)(yang)(yang)品(pin)(pin)種(zhong)(zhong)(zhong),屬于(yu)(yu)毛(mao)用山(shan)羊(yang)(yang)(yang)品(pin)(pin)種(zhong)(zhong)(zhong)之(zhi)一原產于(yu)(yu)土耳其草(cao)原地帶走耳其首都(dou)安(an)(an)卡拉(la)周(zhou)圍,主要分布(bu)于(yu)(yu)氣候干(gan)燥、土層瘩薄、牧草(cao)稀疏(shu)的(de)安(an)(an)納托(tuo)利(li)亞(ya)高(gao)原在安(an)(an)哥(ge)拉(la)高(gao)原上(shang)繁殖最(zui)多,具有(you)(you)生產光(guang)(guang)澤好、價值高(gao)的(de)馬(ma)海(hai)毛(mao),因(yin)此逐(zhu)漸被人們重視,16世(shi)紀相繼出口到一些(xie)國家。安(an)(an)哥(ge)拉(la)山(shan)羊(yang)(yang)(yang)產毛(mao)量高(gao),毛(mao)長(chang)而(er)有(you)(you)光(guang)(guang)澤,彈(dan)性大(da)(da),且結實,國際市場上(shang)稱之(zhi)為馬(ma)海(hai)毛(mao),用于(yu)(yu)高(gao)級(ji)精紡,是羊(yang)(yang)(yang)毛(mao)中價格最(zui)昂(ang)貴(gui)的(de)一種(zhong)(zhong)(zhong)。后又擴散到阿根廷、萊索托(tuo)、澳大(da)(da)利(li)亞(ya)和俄羅斯等國家飼(si)養(yang)(yang)。西歐(ou)一些(xie)國家引(yin)進則未獲成功(gong)。現以(yi)土耳其、美(mei)國和南(nan)非飼(si)養(yang)(yang)最(zui)多,該(gai)品(pin)(pin)種(zhong)(zhong)(zhong)公(gong)、母羊(yang)(yang)(yang)均有(you)(you)角,顏(yan)面平(ping)直(zhi)耳大(da)(da)下(xia)(xia)垂,嘴唇端或耳緣有(you)(you)深色斑點頹短體(ti)軀窄(zhai)。全身(shen)被毛(mao)白色由辮狀結構組成呈波(bo)浪形(xing)(xing)具絹絲光(guang)(guang)澤。成年(nian)公(gong)羊(yang)(yang)(yang)體(ti)重40·5千(qian)克(ke)母羊(yang)(yang)(yang)30·5千(qian)克(ke)。安(an)(an)哥(ge)拉(la)山(shan)羊(yang)(yang)(yang)體(ti)格中等,公(gong)、母羊(yang)(yang)(yang)均有(you)(you)角,耳大(da)(da)下(xia)(xia),垂鼻梁平(ping)直(zhi)或微凹,胸狹窄(zhai),民傾斜,骨骼細,體(ti)質較(jiao)弱。全身(shen)被毛(mao)白色毛(mao)被由波(bo)浪形(xing)(xing)或螺旋形(xing)(xing)的(de)毛(mao)辮組成毛(mao)辮長(chang)可(ke)垂地。成年(nian)公(gong)羊(yang)(yang)(yang)體(ti)重40·5千(qian)克(ke)母羊(yang)(yang)(yang)30·5千(qian)克(ke)。羊(yang)(yang)(yang)毛(mao)長(chang)度13·6厘米,細度平(ping)均32微米左右。
安哥(ge)拉山(shan)羊性成熟(shu)較晚,一般(ban)母(mu)羊18齡開始(shi)配種(zhong)多產單羔,繁殖率及泌乳(ru)量(liang)均低。羔羊在(zai)大(da)(da)群粗放(fang)條件下放(fang)牧(mu)成活率為75%。安哥(ge)拉山(shan)羊被毛(mao)(mao)(mao)主要由無髓同(tong)型毛(mao)(mao)(mao)纖維(wei)組成,部分羊只(zhi)的(de)被毛(mao)(mao)(mao)中含(han)有(you)3%左右的(de)有(you)髓毛(mao)(mao)(mao)。剪(jian)毛(mao)(mao)(mao)量(liang)公(gong)羊為35·.0千(qian)克(ke),母(mu)羊為25·5千(qian)克(ke)。毛(mao)(mao)(mao)股自然長度(du)18·5厘米,最長可達35厘米,毛(mao)(mao)(mao)纖維(wei)直徑(jing)35·2納米,羊毛(mao)(mao)(mao)細度(du)隨(sui)年齡增(zeng)大(da)(da)而變粗。羊毛(mao)(mao)(mao)含(han)脂率6%,凈毛(mao)(mao)(mao)率65%。在(zai)土(tu)耳其每年剪(jian)毛(mao)(mao)(mao)一次(ci)美國和南非(fei)年剪(jian)兩次(ci)。與本(ben)地品種(zhong)羊的(de)雜交其后代產毛(mao)(mao)(mao)量(liang)和羊毛(mao)(mao)(mao)品質一般(ban)隨(sui)雜交代數的(de)增(zeng)加而提高但體重則降(jiang)低。
滄(cang)山(shan)(shan)(shan)(shan)(shan)黑(hei)(hei)(hei)山(shan)(shan)(shan)(shan)(shan)羊(yang)(yang)(yang)(yang)全(quan)名滄(cang)山(shan)(shan)(shan)(shan)(shan)黑(hei)(hei)(hei)山(shan)(shan)(shan)(shan)(shan)羊(yang)(yang)(yang)(yang),肌纖維細,肉(rou)(rou)(rou)(rou)(rou)質(zhi)(zhi)(zhi)細嫩,味(wei)(wei)道鮮美,膻味(wei)(wei)極(ji)(ji)小,營養價值(zhi)(zhi)高(gao),被認(ren)定為(wei)(wei)(wei)綠(lv)色(se)(se)(se)山(shan)(shan)(shan)(shan)(shan)羊(yang)(yang)(yang)(yang)品(pin)種(zhong)(zhong)(zhong),養殖(zhi)(zhi)中(zhong)攝取多種(zhong)(zhong)(zhong)中(zhong)藥(yao)成(cheng)分的(de)(de)(de)草食,肉(rou)(rou)(rou)(rou)(rou)質(zhi)(zhi)(zhi)并具有藥(yao)用滄(cang)山(shan)(shan)(shan)(shan)(shan)黑(hei)(hei)(hei)山(shan)(shan)(shan)(shan)(shan)羊(yang)(yang)(yang)(yang)價值(zhi)(zhi),經(jing)權威部門(men)進(jin)行肉(rou)(rou)(rou)(rou)(rou)質(zhi)(zhi)(zhi)分析(xi),蛋白質(zhi)(zhi)(zhi)含(han)量高(gao)達20%,脂肪低(di)于3%,膽固(gu)(gu)醇含(han)量僅為(wei)(wei)(wei)60mg/kg,15種(zhong)(zhong)(zhong)氨基酸含(han)量齊全(quan),特(te)(te)別(bie)(bie)是(shi)(shi)(shi)(shi)(shi)人體(ti)必須(xu)氨基酸尤為(wei)(wei)(wei)豐富(fu),滋補作用極(ji)(ji)強(qiang),長期(qi)食用,可(ke)補虛(xu)、強(qiang)體(ti),特(te)(te)別(bie)(bie)適(shi)用于年(nian)(nian)老(lao)、體(ti)弱、多病(bing)(bing)者,常食用黑(hei)(hei)(hei)山(shan)(shan)(shan)(shan)(shan)羊(yang)(yang)(yang)(yang)或(huo)配以(yi)適(shi)宜(yi)的(de)(de)(de)滋補藥(yao)品(pin),以(yi)達到補虛(xu)、健(jian)康(kang)、延年(nian)(nian)的(de)(de)(de)作用.經(jing)過養殖(zhi)(zhi)發(fa)(fa)(fa)現滄(cang)山(shan)(shan)(shan)(shan)(shan)黑(hei)(hei)(hei)山(shan)(shan)(shan)(shan)(shan)羊(yang)(yang)(yang)(yang)適(shi)宜(yi)規模圈養或(huo)放(fang)養的(de)(de)(de)。滄(cang)山(shan)(shan)(shan)(shan)(shan)黑(hei)(hei)(hei)山(shan)(shan)(shan)(shan)(shan)羊(yang)(yang)(yang)(yang)全(quan)身純(chun)黑(hei)(hei)(hei)光亮,無(wu)雜毛,皮(pi)呈青緞色(se)(se)(se),是(shi)(shi)(shi)(shi)(shi)一種(zhong)(zhong)(zhong)極(ji)(ji)其(qi)珍貴食品(pin)資源。肉(rou)(rou)(rou)(rou)(rou)質(zhi)(zhi)(zhi)優(you)(you)良(liang)等(deng)(deng)特(te)(te)點受(shou)到眾多消費者的(de)(de)(de)喜愛,酒店餐飲行業,肉(rou)(rou)(rou)(rou)(rou)制品(pin)加(jia)工業對此的(de)(de)(de)需求日(ri)益上升,是(shi)(shi)(shi)(shi)(shi)在中(zhong)國東(dong)南沿海一帶及港澳臺(tai)地區(qu)享有較高(gao)聲譽、傳統專(zhuan)供香港的(de)(de)(de)優(you)(you)質(zhi)(zhi)(zhi)山(shan)(shan)(shan)(shan)(shan)羊(yang)(yang)(yang)(yang)品(pin)種(zhong)(zhong)(zhong)。該羊(yang)(yang)(yang)(yang)抗病(bing)(bing)力強(qiang),耐寒、耐熱(re)、耐粗飼(si),能適(shi)應(ying)產區(qu)0~40℃的(de)(de)(de)氣溫(wen)環境,繁(fan)殖(zhi)(zhi)率高(gao),一般(ban)可(ke)年(nian)(nian)產兩(liang)胎(tai),每胎(tai)可(ke)產兩(liang)羔(gao),養殖(zhi)(zhi)滄(cang)山(shan)(shan)(shan)(shan)(shan)黑(hei)(hei)(hei)山(shan)(shan)(shan)(shan)(shan)羊(yang)(yang)(yang)(yang)經(jing)濟(ji)效(xiao)益好(hao)是(shi)(shi)(shi)(shi)(shi)山(shan)(shan)(shan)(shan)(shan)區(qu)農(nong)民發(fa)(fa)(fa)家致富(fu)的(de)(de)(de)一個重要的(de)(de)(de)養殖(zhi)(zhi)門(men)路。飼(si)草資源豐富(fu)的(de)(de)(de)山(shan)(shan)(shan)(shan)(shan)區(qu)農(nong)民可(ke)大(da)力發(fa)(fa)(fa)展山(shan)(shan)(shan)(shan)(shan)羊(yang)(yang)(yang)(yang)生產。湖南地區(qu)特(te)(te)有的(de)(de)(de)滄(cang)山(shan)(shan)(shan)(shan)(shan)黑(hei)(hei)(hei)山(shan)(shan)(shan)(shan)(shan)羊(yang)(yang)(yang)(yang)是(shi)(shi)(shi)(shi)(shi)經(jing)湖南常德鼎城(cheng)區(qu)黑(hei)(hei)(hei)山(shan)(shan)(shan)(shan)(shan)羊(yang)(yang)(yang)(yang)種(zhong)(zhong)(zhong)苗繁(fan)育(yu)基地多年(nian)(nian)培育(yu)的(de)(de)(de)山(shan)(shan)(shan)(shan)(shan)羊(yang)(yang)(yang)(yang)品(pin)種(zhong)(zhong)(zhong),純(chun)綠(lv)色(se)(se)(se)草食動物,是(shi)(shi)(shi)(shi)(shi)我國確認(ren)的(de)(de)(de)無(wu)公(gong)害(hai)草食類(lei)肉(rou)(rou)(rou)(rou)(rou)用性(xing)地方良(liang)種(zhong)(zhong)(zhong)羊(yang)(yang)(yang)(yang)之一,業已(yi)被列為(wei)(wei)(wei)中(zhong)國黑(hei)(hei)(hei)山(shan)(shan)(shan)(shan)(shan)羊(yang)(yang)(yang)(yang)保護(hu)種(zhong)(zhong)(zhong)群。滄(cang)山(shan)(shan)(shan)(shan)(shan)黑(hei)(hei)(hei)山(shan)(shan)(shan)(shan)(shan)羊(yang)(yang)(yang)(yang)主要采(cai)食于天然牧草和(he)無(wu)公(gong)害(hai)綠(lv)色(se)(se)(se)植(zhi)物,其(qi)毛色(se)(se)(se)純(chun)黑(hei)(hei)(hei),有著體(ti)型高(gao)健(jian),性(xing)情溫(wen)順,出生重,生長快,耐潮濕炎熱(re),抗病(bing)(bing)力強(qiang),出肉(rou)(rou)(rou)(rou)(rou)率高(gao),肉(rou)(rou)(rou)(rou)(rou)質(zhi)(zhi)(zhi)好(hao)等(deng)(deng)優(you)(you)勢特(te)(te)點,幼羊(yang)(yang)(yang)(yang)出生重達3~5公(gong)斤,成(cheng)年(nian)(nian)羊(yang)(yang)(yang)(yang)最(zui)重可(ke)達100公(gong)斤左(zuo)右,出肉(rou)(rou)(rou)(rou)(rou)率高(gao)達58.9%至60%,為(wei)(wei)(wei)純(chun)綠(lv)色(se)(se)(se)最(zui)佳肉(rou)(rou)(rou)(rou)(rou)食品(pin);其(qi)毛皮(pi)光澤度強(qiang),為(wei)(wei)(wei)優(you)(you)質(zhi)(zhi)(zhi)板皮(pi)。隨著近些年(nian)(nian)來,人們生活(huo)水平(ping)的(de)(de)(de)提高(gao),膳食結構的(de)(de)(de)改(gai)變(bian),山(shan)(shan)(shan)(shan)(shan)羊(yang)(yang)(yang)(yang)肉(rou)(rou)(rou)(rou)(rou)作為(wei)(wei)(wei)高(gao)蛋白、低(di)脂肪、低(di)膽固(gu)(gu)醇的(de)(de)(de)綠(lv)色(se)(se)(se)安全(quan)食品(pin)市場(chang)需求日(ri)益增(zeng)大(da),特(te)(te)別(bie)(bie)是(shi)(shi)(shi)(shi)(shi)滄(cang)山(shan)(shan)(shan)(shan)(shan)黑(hei)(hei)(hei)山(shan)(shan)(shan)(shan)(shan)羊(yang)(yang)(yang)(yang)已(yi)成(cheng)為(wei)(wei)(wei)最(zui)搶手的(de)(de)(de)綠(lv)色(se)(se)(se)肉(rou)(rou)(rou)(rou)(rou)食品(pin),被國內外(wai)市場(chang)普遍看好(hao),供不(bu)應(ying)求。滄(cang)山(shan)(shan)(shan)(shan)(shan)黑(hei)(hei)(hei)山(shan)(shan)(shan)(shan)(shan)羊(yang)(yang)(yang)(yang)以(yi)其(qi)容易繁(fan)殖(zhi)(zhi)生長,經(jing)濟(ji)價值(zhi)(zhi)高(gao),市場(chang)需求旺(wang),為(wei)(wei)(wei)無(wu)公(gong)害(hai)草食類(lei)肉(rou)(rou)(rou)(rou)(rou)用性(xing)動物,發(fa)(fa)(fa)展前景十分廣闊(kuo)。
波(bo)爾山(shan)羊(yang)原產自于南(nan)非(fei),是世界(jie)上十(shi)分著名的(de)以(yi)肉(rou)用(yong)為(wei)主的(de)山(shan)羊(yang)品種。目前主要分布在(zai)德國、美國、新西(xi)蘭(lan)等地。波(bo)爾山(shan)羊(yang)可分為(wei)5種類型(xing)(xing),普(pu)通型(xing)(xing)、長毛(mao)型(xing)(xing)、無角型(xing)(xing)、土種型(xing)(xing)和改良型(xing)(xing)。改良型(xing)(xing)的(de)山(shan)羊(yang)體(ti)(ti)型(xing)(xing)比較均勻,羊(yang)毛(mao)色(se)澤一致,生(sheng)長較快(kuai)、體(ti)(ti)型(xing)(xing)比較大,內(nei)質好,有(you)(you)很強的(de)適應性,是一種作為(wei)理想的(de)山(shan)羊(yang)品種。當前,世界(jie)上肉(rou)用(yong)最為(wei)優質的(de)山(shan)羊(yang)品種就是原產自于南(nan)非(fei)的(de)波(bo)爾山(shan)羊(yang),波(bo)爾山(shan)羊(yang)有(you)(you)著十(shi)分明(ming)顯(xian)的(de)肉(rou)用(yong)體(ti)(ti)型(xing)(xing),背部寬并(bing)且平(ping)直,腿(tui)部短、粗壯,肋(lei)骨開張較好。山(shan)羊(yang)的(de)主要部位有(you)(you)著豐(feng)滿的(de)肌肉(rou),身體(ti)(ti)呈現圓(yuan)桶形狀。羔羊(yang)的(de)生(sheng)長速度也比較快(kuai)。
波爾(er)山(shan)(shan)(shan)羊(yang)(yang)(yang)的(de)(de)結構(gou)比(bi)(bi)較(jiao)(jiao)勻稱(cheng),身體(ti)結實,有(you)(you)十(shi)分明(ming)(ming)顯的(de)(de)肉(rou)用特(te)點,波爾(er)山(shan)(shan)(shan)羊(yang)(yang)(yang)的(de)(de)鼻梁隆起(qi),耳朵(duo)長、寬(kuan),較(jiao)(jiao)光滑,呈下垂勢。公(gong)山(shan)(shan)(shan)羊(yang)(yang)(yang)羊(yang)(yang)(yang)角(jiao)(jiao)的(de)(de)彎(wan)曲方向是(shi)向后(hou)、向下,母(mu)山(shan)(shan)(shan)羊(yang)(yang)(yang)的(de)(de)羊(yang)(yang)(yang)角(jiao)(jiao)則(ze)是(shi)向上、向外。波爾(er)山(shan)(shan)(shan)羊(yang)(yang)(yang)的(de)(de)眼(yan)睛是(shi)棕色(se)的(de)(de),有(you)(you)一定的(de)(de)光澤。頭、頸以及(ji)肩部(bu)結合較(jiao)(jiao)好,頸部(bu)粗壯。山(shan)(shan)(shan)羊(yang)(yang)(yang)胸(xiong)部(bu)寬(kuan)深,肋骨開張較(jiao)(jiao)好,有(you)(you)平直的(de)(de)背腰,腹部(bu)大(da)而(er)緊(jin)湊。脊骨末(mo)端的(de)(de)長和寬(kuan)比(bi)(bi)鈄小,山(shan)(shan)(shan)羊(yang)(yang)(yang)的(de)(de)臀部(bu)以及(ji)股部(bu)的(de)(de)肌(ji)肉(rou)比(bi)(bi)較(jiao)(jiao)豐(feng)滿。有(you)(you)粗壯的(de)(de)四肢,羊(yang)(yang)(yang)蹄(ti)堅實,山(shan)(shan)(shan)羊(yang)(yang)(yang)的(de)(de)步態比(bi)(bi)較(jiao)(jiao)穩健(jian)。公(gong)山(shan)(shan)(shan)羊(yang)(yang)(yang)的(de)(de)胸(xiong)頸部(bu)褶(zhe)皺(zhou)褶(zhe)比(bi)(bi)較(jiao)(jiao)明(ming)(ming)顯,睪丸發育良好,大(da)小對稱(cheng)、適中。母(mu)山(shan)(shan)(shan)羊(yang)(yang)(yang)的(de)(de)乳(ru)房發育比(bi)(bi)較(jiao)(jiao)好,比(bi)(bi)較(jiao)(jiao)柔(rou)軟(ruan),富有(you)(you)彈性,乳(ru)頭比(bi)(bi)較(jiao)(jiao)勻稱(cheng)。被毛(mao)是(shi)白色(se)的(de)(de),毛(mao)質短且有(you)(you)光澤,頭部(bu)以及(ji)耳部(bu)呈現(xian)淺棕色(se)或(huo)者是(shi)深棕色(se),額部(bu)呈現(xian)廣流星。
分布(bu)于草原、山(shan)地等干燥(zao)區(qu)域;主要分布(bu)于溫帶(dai)。人類也(ye)有馴養。
角細,它的角很長,向兩側開張。山(shan)羊的(de)瞳孔在擴大時(shi),其(qi)形(xing)狀就接近矩形(xing),這是由山(shan)羊眼睛玻璃體(ti)的(de)光學特性、視網膜的(de)形(xing)狀和敏感(gan)度,以及山(shan)羊的(de)生存(cun)環境和需要決定。事(shi)實(shi)上,大多數蹄趾類動物的(de)瞳孔在放大時(shi),都近似于矩形(xing)。
山(shan)羊勇敢活潑(po),敏捷(jie)機智,喜歡(huan)登高,善于游(you)走,屬(shu)活潑(po)型小反芻動物(wu),愛角斗(dou)。
山(shan)(shan)羊(yang)的(de)(de)(de)覓食(shi)力(li)強,食(shi)性雜(za),能食(shi)百樣草(cao)(cao),對(dui)各種(zhong)牧草(cao)(cao)、灌木枝(zhi)葉(xie)、作物(wu)(wu)(wu)(wu)(wu)秸稈、菜葉(xie)、果皮、藤蔓、農副產品等均可(ke)采(cai)(cai)(cai)食(shi),其(qi)采(cai)(cai)(cai)食(shi)植物(wu)(wu)(wu)(wu)(wu)的(de)(de)(de)種(zhong)類較(jiao)其(qi)他家畜廣泛(fan)。據(ju)對(dui)5種(zhong)家畜飼(si)喂植物(wu)(wu)(wu)(wu)(wu)的(de)(de)(de)試驗,山(shan)(shan)羊(yang)能采(cai)(cai)(cai)食(shi)的(de)(de)(de)植物(wu)(wu)(wu)(wu)(wu)有607種(zhong),不采(cai)(cai)(cai)食(shi)的(de)(de)(de)有83種(zhong),采(cai)(cai)(cai)食(shi)率為(wei)88%,而綿羊(yang)、牛、馬、豬的(de)(de)(de)采(cai)(cai)(cai)食(shi)率分別(bie)為(wei)80%、64%、73%和46%在飼(si)草(cao)(cao)匱乏的(de)(de)(de)情況下(xia),山(shan)(shan)羊(yang)覓食(shi)力(li)較(jiao)強。在荒漠(mo)、半荒漠(mo)地(di)區,牛不能利用的(de)(de)(de)多數植物(wu)(wu)(wu)(wu)(wu),山(shan)(shan)羊(yang)也能有效利用。山(shan)(shan)羊(yang)的(de)(de)(de)采(cai)(cai)(cai)食(shi)時間大多集(ji)中在白天,日出時開始采(cai)(cai)(cai)食(shi),但并(bing)不連續采(cai)(cai)(cai)食(shi),而是(shi)在每(mei)天的(de)(de)(de)一定(ding)時間內攝食(shi)量(liang)大,而在其(qi)他時間進行反芻(chu)、休息。據(ju)測(ce)定(ding),每(mei)天清晨(chen)和黃昏,山(shan)(shan)羊(yang)的(de)(de)(de)采(cai)(cai)(cai)食(shi)量(liang)大。因(yin)此,在舍(she)飼(si)或半舍(she)飼(si)半放(fang)牧時,供給山(shan)(shan)羊(yang)的(de)(de)(de)草(cao)(cao)料應多樣化,且需少(shao)食(shi)多餐。
山(shan)羊(yang)具有較強(qiang)(qiang)的(de)(de)(de)合群(qun)性。無論放牧(mu)還是(shi)舍飼,山(shan)羊(yang)總喜歡(huan)在一起活動,其(qi)中年齡大、后(hou)代多、身強(qiang)(qiang)體(ti)壯(zhuang)的(de)(de)(de)羊(yang)擔任“頭羊(yang)”的(de)(de)(de)角色。在頭羊(yang)帶領下,其(qi)他羊(yang)只能順從(cong)地跟隨放牧(mu)、出入(ru)、起臥、過(guo)橋及(ji)通過(guo)狹窄處。合群(qun)性給(gei)山(shan)羊(yang)的(de)(de)(de)大群(qun)放牧(mu)提供了便利。
山羊(yang)(yang)(yang)性成熟早,繁(fan)殖(zhi)力(li)強,具有多(duo)胎(tai)多(duo)產(chan)的特點。大多(duo)數品種的山羊(yang)(yang)(yang)每胎(tai)可產(chan)羔2~3只,平(ping)均產(chan)羔率200%以上,比綿羊(yang)(yang)(yang)產(chan)羔率高得(de)多(duo)。山羊(yang)(yang)(yang)的多(duo)胎(tai)性使(shi)其繁(fan)殖(zhi)效率遠大于綿羊(yang)(yang)(yang),為(wei)自繁(fan)自養,發展肉羊(yang)(yang)(yang)規(gui)模養殖(zhi)創造了條件。
山羊喜清潔、愛干(gan)燥,厭(yan)惡污濁、潮濕,其嗅覺高度(du)發(fa)達,采食前總是先用(yong)鼻子(zi)嗅一(yi)嗅,凡是有異味、沾(zhan)有糞便(bian)或(huo)腐(fu)敗的(de)(de)(de)飼(si)料,被污染的(de)(de)(de)飲(yin)水或(huo)被踐(jian)踏過的(de)(de)(de)草料,山羊寧愿受(shou)渴挨餓(e)也不采食。因此(ci),羊場應選擇在干(gan)燥、通風、向陽的(de)(de)(de)地方,喂給(gei)的(de)(de)(de)草料要少給(gei)勤添(tian),飲(yin)水要放在水槽或(huo)水盆(pen)里,保持清潔衛生。
羊(yang)(yang)舍(she)(she)應(ying)選在(zai)地勢高(gao)燥、排水(shui)良好,向陽(yang)的(de)地方(fang)。羊(yang)(yang)舍(she)(she)地面(mian)(mian)(mian)要(yao)高(gao)出地面(mian)(mian)(mian)20cm以(yi)上(shang)。建筑材(cai)料(liao)應(ying)就(jiu)地取材(cai),總的(de)要(yao)求是堅固、保暖和通風良好。羊(yang)(yang)舍(she)(she)的(de)面(mian)(mian)(mian)積(ji)可根(gen)據飼養(yang)規(gui)模而(er)(er)定(ding),一般每(mei)只(zhi)羊(yang)(yang)要(yao)保證(zheng)1.0~2.0m2。每(mei)間羊(yang)(yang)舍(she)(she)不能飼養(yang)太多(duo)羊(yang)(yang),否(fou)則不易管理,還增加了傳染病發生的(de)幾率。參考值為(wei)(wei)種公羊(yang)(yang)1.5~2.0m2/只(zhi),空懷(huai)母羊(yang)(yang)0.8~1.0m2/只(zhi),妊娠或(huo)哺乳母羊(yang)(yang)2.0~2.3m2/只(zhi),幼齡羊(yang)(yang)0.5~0.6m2/只(zhi)。羊(yang)(yang)只(zhi)多(duo)時,為(wei)(wei)方(fang)便飼養(yang)管理,應(ying)設(she)飼養(yang)員(yuan)通道(dao),通道(dao)兩側用鐵(tie)筋或(huo)木桿(gan)隔開,羊(yang)(yang)吃(chi)料(liao)和飲水(shui)時,從欄(lan)桿(gan)探出頭(tou)采食或(huo)飲水(shui)。羊(yang)(yang)舍(she)(she)的(de)高(gao)視羊(yang)(yang)舍(she)(she)的(de)面(mian)(mian)(mian)積(ji)而(er)(er)定(ding),如果是封閉羊(yang)(yang)舍(she)(she),高(gao)度要(yao)考慮陽(yang)光照(zhao)射的(de)面(mian)(mian)(mian)積(ji)
一般(ban)情況(kuang)下,優質(zhi)種(zhong)(zhong)(zhong)(zhong)公(gong)(gong)羊(yang)(yang)(yang)(yang)(yang)10月(yue)齡時(shi)(shi)(shi)可(ke)適量配種(zhong)(zhong)(zhong)(zhong)。種(zhong)(zhong)(zhong)(zhong)公(gong)(gong)羊(yang)(yang)(yang)(yang)(yang)配種(zhong)(zhong)(zhong)(zhong)初期(qi),要(yao)(yao)(yao)(yao)適當配種(zhong)(zhong)(zhong)(zhong)。羊(yang)(yang)(yang)(yang)(yang)放牧(mu)后,種(zhong)(zhong)(zhong)(zhong)公(gong)(gong)羊(yang)(yang)(yang)(yang)(yang)晚(wan)上要(yao)(yao)(yao)(yao)單獨分圈飼(si)(si)養,讓種(zhong)(zhong)(zhong)(zhong)羊(yang)(yang)(yang)(yang)(yang)有(you)(you)充(chong)分時(shi)(shi)(shi)間休息,還(huan)要(yao)(yao)(yao)(yao)補(bu)(bu)飼(si)(si)一定(ding)的(de)精(jing)(jing)料(liao)。公(gong)(gong)羊(yang)(yang)(yang)(yang)(yang)一歲(sui)可(ke)正式投(tou)入配種(zhong)(zhong)(zhong)(zhong)生產,但都必須進行(xing)補(bu)(bu)料(liao)。每(mei)(mei)(mei)(mei)只(zhi)種(zhong)(zhong)(zhong)(zhong)公(gong)(gong)羊(yang)(yang)(yang)(yang)(yang)的(de)配種(zhong)(zhong)(zhong)(zhong)及受(shou)體母羊(yang)(yang)(yang)(yang)(yang)受(shou)配情況(kuang),都要(yao)(yao)(yao)(yao)有(you)(you)詳細的(de)記錄,以便根據實(shi)際(ji)情況(kuang)進行(xing)合(he)理(li)調整,使每(mei)(mei)(mei)(mei)只(zhi)種(zhong)(zhong)(zhong)(zhong)公(gong)(gong)羊(yang)(yang)(yang)(yang)(yang)發(fa)揮最大(da)效(xiao)能。要(yao)(yao)(yao)(yao)想種(zhong)(zhong)(zhong)(zhong)公(gong)(gong)羊(yang)(yang)(yang)(yang)(yang)體格健(jian)壯、膘(biao)情適中、精(jing)(jing)力(li)(li)充(chong)沛(pei)、性(xing)(xing)欲(yu)旺盛并(bing)具有(you)(you)良好(hao)的(de)精(jing)(jing)液品質(zhi),必須加強(qiang)種(zhong)(zhong)(zhong)(zhong)公(gong)(gong)羊(yang)(yang)(yang)(yang)(yang)的(de)飼(si)(si)養管理(li),以提高種(zhong)(zhong)(zhong)(zhong)公(gong)(gong)羊(yang)(yang)(yang)(yang)(yang)的(de)利用(yong)率(lv)并(bing)延(yan)長其使用(yong)年限。種(zhong)(zhong)(zhong)(zhong)公(gong)(gong)羊(yang)(yang)(yang)(yang)(yang)的(de)飼(si)(si)養,要(yao)(yao)(yao)(yao)求飼(si)(si)料(liao)營(ying)養價值高,有(you)(you)足量優質(zhi)的(de)蛋白質(zhi)、維(wei)生素及無機鹽等,且易消化,適口(kou)性(xing)(xing)好(hao)。非配種(zhong)(zhong)(zhong)(zhong)期(qi),每(mei)(mei)(mei)(mei)天(tian)定(ding)時(shi)(shi)(shi)喂給(gei)兩次(ci)優質(zhi)青干草(cao)和少量鮮綠(lv)多汁飼(si)(si)料(liao),同時(shi)(shi)(shi)每(mei)(mei)(mei)(mei)只(zhi)成年種(zhong)(zhong)(zhong)(zhong)公(gong)(gong)羊(yang)(yang)(yang)(yang)(yang)每(mei)(mei)(mei)(mei)天(tian)補(bu)(bu)給(gei)全價配合(he)飼(si)(si)料(liao)0.3kg左右(you)。采精(jing)(jing)期(qi)每(mei)(mei)(mei)(mei)天(tian)補(bu)(bu)給(gei)全價配合(he)飼(si)(si)料(liao)0.4kg左右(you),最好(hao)補(bu)(bu)飼(si)(si)生雞蛋1~2枚。公(gong)(gong)羊(yang)(yang)(yang)(yang)(yang)每(mei)(mei)(mei)(mei)天(tian)放牧(mu)的(de)時(shi)(shi)(shi)間為6~8h,任其自(zi)由采食。這樣不僅(jin)可(ke)以保(bao)持種(zhong)(zhong)(zhong)(zhong)公(gong)(gong)羊(yang)(yang)(yang)(yang)(yang)良好(hao)體型(xing),增強(qiang)抗病能力(li)(li),而(er)且可(ke)增強(qiang)其性(xing)(xing)欲(yu)。種(zhong)(zhong)(zhong)(zhong)公(gong)(gong)羊(yang)(yang)(yang)(yang)(yang)還(huan)要(yao)(yao)(yao)(yao)定(ding)期(qi)進行(xing)檢查、預防接種(zhong)(zhong)(zhong)(zhong)和防治體內、外寄生蟲,日常應(ying)注意觀察種(zhong)(zhong)(zhong)(zhong)公(gong)(gong)羊(yang)(yang)(yang)(yang)(yang)的(de)精(jing)(jing)神狀態,發(fa)現(xian)疾病,要(yao)(yao)(yao)(yao)及時(shi)(shi)(shi)進行(xing)治療。
在母(mu)羊懷孕前(qian)3個月(yue),加強放牧(mu),做(zuo)到不(bu)急趕、不(bu)打、不(bu)嚇(xia)、慢(man)出、慢(man)進、嚴禁擁擠。使母(mu)羊盡快復膘,保(bao)證胎(tai)兒(er)生(sheng)長發(fa)育,防止流(liu)產。在懷孕最后(hou)兩個月(yue),一(yi)方(fang)面(mian)胎(tai)兒(er)生(sheng)長發(fa)育快,新增(zeng)體重約(yue)占(zhan)羔羊初生(sheng)體重的(de)90%,需要(yao)(yao)營(ying)養物質較多(duo);另一(yi)方(fang)面(mian)母(mu)羊胃(wei)容積隨胎(tai)兒(er)增(zeng)長受到影響(xiang)。因此(ci),加強放牧(mu)的(de)同時要(yao)(yao)補以適(shi)量的(de)營(ying)養全面(mian)的(de)精(jing)料(liao),在滿足(zu)能量、蛋(dan)白需要(yao)(yao)的(de)同時,要(yao)(yao)適(shi)當添加一(yi)些礦物質,多(duo)種(zhong)維生(sheng)素等(deng),以滿足(zu)羔羊生(sheng)長及基礎代謝需要(yao)(yao)。
(1)羔羊(yang)落(luo)地后,立(li)即掏盡和(he)擦(ca)干口鼻腔內(nei)粘液,不(bu)僅利于呼吸,還避免誤(wu)咽(yan)羊(yang)水而造成異物(wu)性肺炎;同時擦(ca)干頭、四肢(zhi)、腹下(xia)粘液,身(shen)軀上讓母羊(yang)自行舔食干,以利母子親和(he);及時斷臍(qi)和(he)消毒,將臍(qi)帶距腹部3~4cm處(chu)用5%碘(dian)酒溶液消毒后剪(jian)斷。
(2)初(chu)產羔要吃(chi)好(hao)初(chu)乳(ru),用(yong)溫(wen)消毒藥水清洗母羊乳(ru)房并擦干,擠掉(diao)最初(chu)幾(ji)滴(di)奶后,盡快讓羔羊吃(chi)上(shang)、吃(chi)好(hao)初(chu)乳(ru),以獲得較高的母源(yuan)抗體(ti)。
(3)搞(gao)好羔羊的欄舍(she)衛生,勤換(huan)產(chan)(chan)欄墊草,保(bao)持產(chan)(chan)欄清潔干燥及母仔(zi)羊衛生,夏季產(chan)(chan)欄舍(she)要(yao)(yao)通(tong)風(feng)良(liang)好,冬(dong)季要(yao)(yao)做好防寒保(bao)暖工作。
(4)加強(qiang)缺奶羔(gao)羊的補飼和護理,無母(mu)孤羔(gao)及一胎多羔(gao)羊,我(wo)們應采用(yong)寄(ji)養,擠其他(ta)母(mu)羊奶哺喂或用(yong)牛奶人工(gong)補飼。
放牧(mu)管理(li)的主要(yao)目的是羊(yang)兒(er)吃飽吃好,達到(dao)膘(biao)肥體壯。
根據筆者多年的(de)(de)牧羊(yang)(yang)經驗,羊(yang)(yang)一(yi)天的(de)(de)攝(she)食(shi)時間應(ying)不低于8h,要達(da)到(dao)“四個飽”。羊(yang)(yang)從上山(shan)采食(shi)到(dao)反(fan)芻叫一(yi)個飽,一(yi)個飽的(de)(de)周期是2h左右,四個飽應(ying)是8h。
(1)夏(xia)秋季因日長夜短,氣溫高,羊的飲水量增(zeng)加,需食量增(zeng)加,此時應(ying)一天(tian)放(fang)牧兩次,中午讓羊回到圈(quan)舍中休息、飲水并(bing)適當補鹽(yan),具體(ti)的時間是早晨7~11點(dian)(dian),下午4~8點(dian)(dian)。
(2)冬春季晝(zhou)短(duan)夜長,氣溫低(di),牧(mu)草老化,此時必須延(yan)長放牧(mu)時間,讓羊只多攝入(ru)營養,應全天放羊,早9~10點(dian)上山,下午(wu)5~6點(dian)收羊。
(3)適當輪(lun)牧,緩解草場壓力(li),減少寄生蟲病發生。
山羊越(yue)(yue)冬管(guan)(guan)理(li)時(shi)(shi)間是指每年(nian)(nian)農(nong)歷(li)十一月(yue)(yue)到次年(nian)(nian)二月(yue)(yue)上旬。歷(li)時(shi)(shi)3個半月(yue)(yue)時(shi)(shi)間,在此期間氣溫(wen)低,牧草(cao)枯,所以(yi)越(yue)(yue)冬管(guan)(guan)理(li)實際就是人為(wei)地在越(yue)(yue)冬期內造就一個溫(wen)暖的生活環境(jing)和補給充分的草(cao)料(liao)或精(jing)料(liao)。
(1)山羊(yang)(yang)(yang)性溫怕寒,適(shi)宜的(de)溫度15~25℃。當溫度低于10℃時(shi)(shi),山羊(yang)(yang)(yang)采食量(liang)、采食時(shi)(shi)間減(jian)少(shao),好動性不明顯(xian)。當氣溫低于5℃時(shi)(shi),多(duo)數(shu)羊(yang)(yang)(yang)只停止采食,出現群(qun)體取暖或往低洼(wa)處避寒。如果哺(bu)乳(ru)母(mu)(mu)羊(yang)(yang)(yang)在5℃以下,連續受寒兩天,多(duo)數(shu)母(mu)(mu)羊(yang)(yang)(yang)停止泌乳(ru),這是造成冬羔(gao)大量(liang)死亡的(de)致命(ming)因素,也是多(duo)數(shu)養(yang)羊(yang)(yang)(yang)戶失敗的(de)一(yi)個重要原因。如果長時(shi)(shi)間的(de)陰雨和下雪結冰時(shi)(shi),應停止放牧,轉為圈養(yang)。
(2)越冬(dong)期氣溫低、草質差,放牧(mu)時山羊攝食(shi)量減少(shao),攝入的牧(mu)草營(ying)養差,而(er)抵御(yu)風(feng)寒(han),又(you)要消耗過多(duo)體能,如不人(ren)工補(bu)料,羊的代謝(xie)就會(hui)失(shi)去平衡(heng)而(er)紊(wen)亂,膘(biao)力下降,體質變差,免疫(yi)力降低,發病率升高,造成大(da)批死(si)亡,所以(yi)冬(dong)季必須補(bu)料和調整營(ying)養。
山(shan)羊(yang)疾病防(fang)(fang)(fang)治一直(zhi)是山(shan)羊(yang)生(sheng)(sheng)產中的(de)(de)薄弱環節,必須引起養(yang)殖(zhi)(zhi)戶的(de)(de)高度重視(shi)。在管理上除做(zuo)好(hao)清潔衛生(sheng)(sheng)和(he)(he)防(fang)(fang)(fang)寒保暖外,定期(qi)消毒、免(mian)(mian)疫注(zhu)射(she)和(he)(he)驅(qu)(qu)除體內、外寄生(sheng)(sheng)蟲(chong)(chong)是預(yu)(yu)防(fang)(fang)(fang)山(shan)羊(yang)疾病、降低死亡率(lv)和(he)(he)提高養(yang)殖(zhi)(zhi)效(xiao)益的(de)(de)3大技術措施。養(yang)殖(zhi)(zhi)戶每(mei)月(yue)需對羊(yang)圈和(he)(he)運動場進行一次(ci)(ci)徹(che)底消毒。消毒藥可選(xuan)用(yong)高效(xiao)碘、百(bai)毒殺或燒堿等,最(zui)好(hao)輪(lun)流使用(yong)不同的(de)(de)消毒藥,以增加消毒效(xiao)果(guo)。山(shan)羊(yang)體內、外寄生(sheng)(sheng)蟲(chong)(chong)春(chun)秋各驅(qu)(qu)蟲(chong)(chong)一次(ci)(ci)。本著以預(yu)(yu)防(fang)(fang)(fang)為主(zhu)的(de)(de)原則,除每(mei)年(nian)應進行的(de)(de)春(chun)秋兩(liang)季口蹄疫強制免(mian)(mian)疫外,還(huan)應在羔羊(yang)15日齡時(shi),內唇粘膜注(zhu)射(she)傳染性膿皰皮炎活疫苗(miao)(羊(yang)口瘡(chuang));30日齡時(shi)肌肉(rou)注(zhu)射(she)傳染性胸(xiong)膜肺炎滅活苗(miao);60日齡時(shi)尾根皮下注(zhu)射(she)山(shan)羊(yang)痘疫苗(miao);90日齡時(shi)肌肉(rou)注(zhu)射(she)口蹄疫疫苗(miao),21~28d重復(fu)一次(ci)(ci)。各種疫苗(miao)使用(yong)時(shi)要詳(xiang)細(xi)閱讀說明書,接種前(qian)應搖均,嚴格按照劑量注(zhu)射(she),減少(shao)免(mian)(mian)疫失敗(bai)的(de)(de)發生(sheng)(sheng)。