日粮中不同粗饲料对吕梁黑山羊生长性能、血液生化指标和屠宰性能的影响  

Effects of different roughages on growth performance,blood biochemical indexes and slaughter performance of Lyuliang black goats

作　　者：薛艳蓉 赵鹏[1] 靳光[1] 梁茂文 赵瑞生 XUE Yanrong;ZHAO Peng;JIN Guang;LIANG Maowen;ZHAO Ruisheng(College of Animal Science,Shanxi Agricultural University/Shanxi Academy of Agricultural Science,Taiyuan 030032,China)

机构地区：[1]山西农业大学/山西省农业科学院动物科学学院,太原030032

出　　处：《黑龙江畜牧兽医》2022年第24期96-100,共5页Heilongjiang Animal Science And veterinary Medicine

基　　金：国家绒毛用羊产业技术体系项目(CARS-39-24)。

摘　　要：为了探究日粮中不同粗饲料对吕梁黑山羊生产性能、血液生化指标和屠宰性能的影响,试验选取6月龄、体重相近、健康、已去势的吕梁黑山羊公羊24只,随机分为4组(A、B、C、D组),每组6只,分别饲喂以玉米秸秆、花生秧、苜蓿干草、羊草为粗饲料,精粗比为6∶4的全混合日粮,预试期10 d,正试期80 d,测定各组生长性能(初重、末重、平均日增重、平均日采食量和料重比)、血液生化指标(血糖浓度,血清总蛋白、白蛋白、球蛋白水平,血清丙氨酸氨基转移酶、天门冬氨酸氨基转移酶活性,以及血清尿素氮、三酰甘油和总胆固醇浓度)、屠宰性能(宰前活重、胴体重、屠宰率和净肉率)。结果表明:各组初重均差异不显著(P>0.05)。C组末重最高,略高于B组和D组(P>0.05),显著高于A组(P<0.05);B组和D组末重显著高于A组(P<0.05)。C组平均日增重最高,极显著高于其他3组(P<0.01);B组、D组平均日增重极显著高于A组(P<0.01)。C组平均日采食量最低,略低于B组和D组(P>0.05),显著低于A组(P<0.05);B组和D组平均日采食量显著低于A组(P<0.05)。C组料重比最低,极显著低于其他3组(P<0.01);B组和D组料重比极显著低于A组(P<0.01)。C组血糖浓度最高,略高于B组和D组(P>0.05),显著高于A组(P<0.05);B组和D组血糖浓度显著高于A组(P<0.05)。C组血清总蛋白与球蛋白水平均极显著高于其他3组(P<0.01);B组和D组血清总蛋白与球蛋白水平极显著高于A组(P<0.01)。C组血清白蛋白水平最高,略高于B组(P>0.05),极显著高于A组与D组(P<0.01);B组血清白蛋白水平极显著高于A组与D组(P<0.01);D组血清白蛋白水平极显著高于A组(P<0.01)。各组血清丙氨酸氨基转移酶、天门冬氨酸氨基转移酶活性,尿素氮、三酰甘油、胆固醇浓度均差异不显著(P>0.05)。C组宰前活重最高,略高于B组和D组(P>0.05),显著高于A组(P<0.05);B组和D组宰前活重显著高于A组(P<0.05)。屠宰后C组�In order to explore the effects of different roughages in the diet on growth performance,blood biochemical indexes and slaughter performance of Lyuliang black goats,24 healthy and castrated Lyuliang black goats ram aged 6 months with similar body weight were selected and randomly divided into 4 groups(groups A,B,C and D),with 6 goats in each group.They were fed a total mixed diet with corn straw,peanut vine,alfalfa hay,and leymus chinensis as roughages with a concentrate to forage ratio of 6∶4.The pre-test period was 10 days,and the test period was 80 days.The growth performance(initial weight,final weight,average daily gain,average daily feed intake,and feed to gain ratio),blood biochemical indicators(blood glucose concentration,serum total protein,albumin and globulin levels,serum alanine aminotransferase and aspartate aminotransferase activities,and serum triglyceride and total cholesterol concentration),and slaughter performance(live weight before slaughter,carcass weight,slaughter percentage,and net meat percentage).The results showed that there was no significant difference in the initial weight among all groups(P>0.05).The final weight in group C was the highest,which was slightly higher than that in group B and group D(P>0.05),and significantly higher than that in group A(P<0.05).The final weight in groups B and D was significantly higher than that in group A(P<0.05).The average daily gain in group C was the highest and extremely significantly higher than that in the other three groups(P<0.01).The average daily gain in group B and D was significantly lower than that in group A(P<0.01).The average daily feed intake in group C was the lowest,which was slightly lower than that in groups B and D(P>0.05),and significantly lower than that in group A(P<0.05).The average daily feed intake in groups B and D was significantly lower than that in group A(P<0.05).The ratio of feed to gain in group C was the lowest,which was extremely significantly higher than that in the other three groups(P<0.01),and the ratio of f

关 键 词：粗饲料 吕梁黑山羊 生长性能 血液生化指标 屠宰性能 

分 类 号：S816.5[农业科学—饲料科学]