巴美肉羊与小尾寒羊杂交羔羊生长发育及屠宰性能研究腾克*,张宏W1,王贵印2,华小靑*,史晓燕\李志荣3,靳评卜(1.内蒙古农业大学食品科学与工程学院,内蒙古呼和浩特010018;2.乌拉特中旗农区畜牧业专项徘进办公室,内蒙古巴彦淖尔015300;3.五原益浼蒙家科技宥限公司,内蒙古巴彦淖尔015100)摘要:以小尾寒羊(母本)为对照,对4、6、8、12月龄的巴美肉羊(父本)和杂交识代巴寒F1美肉的4长发育和屠宰性能进行测定。结果表明:巴美肉羊胸围、胸围指标和体躯指数极显著人于小尾寒羊(P<0.01);巴美肉羊和巴寒6日增质量在8月龄达到最大,12月龄开始下降。巴美肉羊和巴寒F,的诺宰性能和等级分割肉优于小尾寒羊。在6月龄巴寒F,净肉率、肉竹比和腰肉显著大于小尾寒羊(P<0.05),说明巴寒F,具冇早期生长优势。随月龄的増加,巴美肉羊净肉里、胴体产肉率、净肉率、肉骨比、肋肉和腹下肉极显著大于小尾寒羊(P<0.01),腰肉差异敁著(P<0.05)。在12月龄巴寒F1的居宰率和净肉率极敁著大于小尾寒羊(P<0.05)。但各个月龄宰前活质量和胴体质量的差异不显著(P>0.05)<,关键词:杂交后代;生长发育状况;焙宰性能;巴美肉羊StudiesonGrowthandSlaughteringPerformancesofhybridlambbetweenBameimuttonsheepandSmallTailHanSheepTENGKe1,ZHANGHong-bo1,WANGGui-yin2,HUAXiao-qing1,SHIXiao-yan1,LIZhi-rong3,JINYe1*(1.CollegeofFoodScienceandEngineering,InnerMongoliaAgriculturalUniversity,Hohhot010018,China;2.SpecificAnimalHusbandryPrograminAgriculturalAreasFacilitationOffice,WulatezhognBanner,Bayannuor015300,China;3.YumengjiaTechnologyCo.,Ltd,Bayannuor,015100,China)Abstract:GrowthandslaughterperformancesofBameimuttonsheepandBahanFIlambwithSmallTailHanSheepwascomparedinthe4,6,8and12monthsold.BahanFIlambwasahybridbetweenmaleBameimuttonsheepwithfemaleSmallTailHanSheep.TheresultsshowedthatchestcircumferenceofBameimuttonsheeplambweresignificantlygreatestthanhansheep(P<().()1).AveragedailygainofBameimuttonsheepandBahanFIlambreachthemaximuminthe8monthbegantodeclineinthe12month.TheslaughteringperformanceandcuttingmeatofbothBameimuttonsheepandBahanFIlambweresuperiortohansheep.Thepuremeatpercentage、meat-boneratioandloinmeatofBameimuttonsheeparehighersignificantthanSmallTailHanSheepinthe6month(P<0.01),itexplainsearlygrowthadvantage.Withincreasingmonth,thepuremeatpercentage、Carcassmeatpercentage、meat-boneratio、puremeatpercentage>ridmeatandbellymeatofBameimuttonsheeparcthehighestsignificantthanSmallTailHanSheep(P<0.01),thedifferenceofloinmeatissignificant(P<0.05).ThedressingpercentageandpuremeatpercentagearethehighestsignificantthanSmallTailHanSheepinthe12month(P<O.OI).thedifferencesofLifeandcarcassqualityarenotremarkableinthedifferentmonths(P>0.05).Keywords:hybridlamb:growthperformance;Slaughteringperformance;Bameimuttonsheep屮图分类号:TS251.4.1文献标识码:A文章编号收稿曰期:基金项H:巴美肉羊品质研究专项作者简介:腾克(1986—),男,硕士研丸生,研丸方向为畜产品加J:。E-mail:tengkexn@I63.com*通信作者:靳烘(1964—),男,教授,博士,研宄方向为畜产品安全生产。E-mail:jinyeyc@sohu.com巴美肉羊是巴彦淖尔市培育的一种肉毛兼用,具存我国第一个自主知识产权的肉羊新品种,外貌体型基本一致,无犄角,具有早熟性,体格较大,体型匀称,胸宽且深,背腰宽而平直,四肢结实,后肢健硕,肌肉丰满,呈圆桶状,肉用体型明显。巴美肉羊具有适合舍饲和半舍饲圈养、耐粗饲料、抗逆性能强、适应性好、性成熟早、遗传性状稳定、羔羊育肥期增质景快等特点lh21。小尾寒羊是我国著名的裘、肉兼用品种,体格高人、前胸狭窄、臀部尖斜,其产肉性能较差,早熟、多胎、耐粗饲料、抗痫性强等特点。但生长速度慢,产肉率低,上市体质蛍差异明显,经济效益不高,市场竞争力低lMlo我...