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體貌

廣靈大(da)尾羊(yang)(yang)(yang)體格中(zhong)等，周歲(sui)公(gong)(gong)羊(yang)(yang)(yang)平均體重33.4公(gong)(gong)斤(jin)，周歲(sui)母(mu)羊(yang)(yang)(yang)31.5公(gong)(gong)斤(jin)，成(cheng)年公(gong)(gong)羊(yang)(yang)(yang)51.95公(gong)(gong)斤(jin)，成(cheng)年母(mu)羊(yang)(yang)(yang)43.55公(gong)(gong)斤(jin)。成(cheng)年公(gong)(gong)羊(yang)(yang)(yang)剪毛(mao)(mao)量1.39公(gong)(gong)斤(jin)，成(cheng)年母(mu)羊(yang)(yang)(yang)0.83公(gong)(gong)斤(jin)。根據武德(de)虎（1984）的研究(jiu)資料，廣靈大(da)尾羊(yang)(yang)(yang)毛(mao)(mao)被(bei)屬(shu)異質毛(mao)(mao)，其纖維類型(xing)組(zu)成(cheng)為：無(wu)髓(sui)(sui)毛(mao)(mao)占53.5%，兩型(xing)毛(mao)(mao)占153.5%，有髓(sui)(sui)毛(mao)(mao)占30.6%，干死毛(mao)(mao)占0.6%。

體軀呈長方(fang)形,四肢結(jie)實端(duan)正(zheng),尾回方(fang),寬度(du)略(lve)大于(yu)長度(du),多(duo)數有小尾,向(xiang)上翹起(qi)。公(gong)羊(yang)羊(yang)尾可垂(chui)至飛節。色純白,雜色者少,被毛(mao)著生良(liang)好,絨毛(mao)適中,呈明(ming)顯的毛(mao)股結(jie)構,干(gan)死毛(mao)極少。體質結(jie)實緊(jin)湊,耐粗飼(si) ,適應性(xing)強(qiang),增(zeng) 重速度(du)快，出肉率高,肉質良(liang)好,細嫩鮮(xian)美, 無(wu)座(zuo)味。生長期(qi)短,周轉速度(du)快, 遺傳(chuan)性(xing)能穩定。

外觀特征

廣(guang)靈大(da)(da)尾(wei)羊(yang)頭中等大(da)(da)小，耳略下垂(chui)，公羊(yang)有角，母羊(yang)無(wu)角，頸細(xi)而圓(yuan)，體型呈長方形，四肢強健有力。脂(zhi)尾(wei)呈方圓(yuan)形，寬度略大(da)(da)于長度，多數有小尾(wei)尖(jian)向(xiang)上(shang)翹起；成(cheng)年(nian)公羊(yang)尾(wei)長21.84厘(li)米(mi)，尾(wei)寬22.44厘(li)米(mi)，尾(wei)厚7.93厘(li)米(mi)，成(cheng)年(nian)母羊(yang)上(shang)述指標相(xiang)應(ying)為18.69厘(li)米(mi)。毛色(se)純白，雜色(se)者(zhe)很(hen)少。

生產特性

廣靈大(da)尾羊(yang)6—8月齡(ling)性(xing)成(cheng)熟，初配年(nian)齡(ling)一般在1.5—2歲，母羊(yang)春、夏、秋三季均(jun)可發情(qing)配種，在良好的飼(si)養管理條件下，可一年(nian)兩(liang)產或兩(liang)年(nian)三產，產羔(gao)率(lv)102%。

生長特性

廣靈大尾(wei)(wei)羊生長發(fa)育快，成(cheng)熟早(zao)，產(chan)肉(rou)力羔。8月齡(ling)羯(jie)羊除放牧外，每日補飼精料0.25公(gong)(gong)斤，共補飼120天，到1歲時活(huo)(huo)重(zhong)達61.9公(gong)(gong)斤，胴(dong)體(ti)重(zhong)35.41公(gong)(gong)斤，凈肉(rou)重(zhong)23.6公(gong)(gong)斤，脂尾(wei)(wei)重(zhong)占胴(dong)體(ti)重(zhong)的16.1%；成(cheng)年羯(jie)羊（中等膘(biao)）宰前活(huo)(huo)重(zhong)平均44.3公(gong)(gong)斤，胴(dong)體(ti)重(zhong)23.17公(gong)(gong)斤，凈肉(rou)重(zhong)15.7公(gong)(gong)斤，脂尾(wei)(wei)重(zhong)2.8公(gong)(gong)斤，屠宰率52.3%，凈肉(rou)率67.8%，脂尾(wei)(wei)重(zhong)占胴(dong)體(ti)重(zhong)的11.7%。

它(ta)增(zeng)長(chang)速度快，育肥效果好(hao)，肉質(zhi)鮮嫩，皮毛品(pin)質(zhi)好(hao)。成年羊，體高62厘(li)米以上，體重50公斤左右，尾(wei)長(chang)18—21厘(li)米，尾(wei)寬19—22厘(li)米，尾(wei)厚(hou)5.5—7.9厘(li)米。

產肉特性

廣靈大尾羊一般是11個(ge)月后即可屠宰(zai)。曾經試宰(zai)9只羊，每只羊飼(si)養13.5個(ge)月，平均活(huo)重(zhong)(zhong)(zhong)66公斤，屠宰(zai)后胴體重(zhong)(zhong)(zhong)38.42公斤，其中凈(jing)肉(rou)33.3公斤，肉(rou)脂重(zhong)(zhong)(zhong)2.7公斤，尾脂重(zhong)(zhong)(zhong)8公斤，頭蹄(ti)重(zhong)(zhong)(zhong)4.07公斤，內臟總重(zhong)(zhong)(zhong)5.56公斤。

主要產地

原產于山西省北部的廣靈縣及其周圍地區。是(shi)草原地區的蒙古羊(yang)帶(dai)入農區以(yi)后，在當地生態經濟條件下和(he)群眾長期選擇、精(jing)心飼養(yang)管(guan)理、閉(bi)鎖(suo)繁(fan)育形成的地方(fang)肉脂兼用的優良綿羊(yang)品種。

主要價值

廣靈(ling)大尾(wei)羊(yang)(yang)是以(yi)產肉為(wei)(wei)主，產皮毛(mao)(mao)(mao)(mao)(mao)(mao)為(wei)(wei)輔的兼用型(xing)羊(yang)(yang)種。具有極高的經濟價值。廣靈(ling)大尾(wei)羊(yang)(yang)皮板致密(mi)，絨毛(mao)(mao)(mao)(mao)(mao)(mao)豐滿(man)，毛(mao)(mao)(mao)(mao)(mao)(mao)色純白，粗細毛(mao)(mao)(mao)(mao)(mao)(mao)比(bi)例(li)適(shi)中，達到收購一級皮的標準。根(gen)據12張羊(yang)(yang)皮測定，平均長87.7厘米(mi)(mi)，寬48.7厘米(mi)(mi)，面積4366.7平方(fang)厘米(mi)(mi)。羊(yang)(yang)毛(mao)(mao)(mao)(mao)(mao)(mao)品質：根(gen)據10只(zhi)成(cheng)年母羊(yang)(yang)側白羊(yang)(yang)毛(mao)(mao)(mao)(mao)(mao)(mao)分析：毛(mao)(mao)(mao)(mao)(mao)(mao)被屬于異質毛(mao)(mao)(mao)(mao)(mao)(mao)。其纖維類型(xing)組成(cheng)：絨毛(mao)(mao)(mao)(mao)(mao)(mao)占(zhan)53.5%，兩型(xing)毛(mao)(mao)(mao)(mao)(mao)(mao)占(zhan)15.3%，發毛(mao)(mao)(mao)(mao)(mao)(mao)占(zhan)30.6%，干死毛(mao)(mao)(mao)(mao)(mao)(mao)占(zhan)0.6%，外(wai)層股(gu)長7.5厘米(mi)(mi)，底層絨毛(mao)(mao)(mao)(mao)(mao)(mao)長4.4厘米(mi)(mi)。絨毛(mao)(mao)(mao)(mao)(mao)(mao)平均直徑24.5微米(mi)(mi)。羊(yang)(yang)毛(mao)(mao)(mao)(mao)(mao)(mao)密(mi)度每平方(fang)厘米(mi)(mi)1653根(gen)，凈毛(mao)(mao)(mao)(mao)(mao)(mao)率68.6%。廣靈(ling)習慣于春抓(zhua)(zhua)絨，秋(qiu)(qiu)剪(jian)毛(mao)(mao)(mao)(mao)(mao)(mao)。一只(zhi)成(cheng)年羊(yang)(yang)，一般春抓(zhua)(zhua)絨1.22公斤，秋(qiu)(qiu)剪(jian)毛(mao)(mao)(mao)(mao)(mao)(mao)1.54公斤。