不同质量苜蓿草粉对后备母猪生长性能、抗氧化及发情率的影响  

Effects of Alfalfa Meal with Different Qualities on Growth Performance,Antioxidant and Estrus Rate of Prepubertal Gilts

作　　者：李润林[1] 王占彬[1] 王成章[2] 王博[2] 樊文娜[1] LI Runlin;WANG Zhanbin;WANG Chengzhang;WANG Bo;FAN Wenna(Animal Science and Technology College,Henan University of Science and Technology,Luoyang 471003,China;College of Animal Science and Veterinary Medicine,Henan Agricultural University,Zhengzhou 450002,China)

机构地区：[1]河南科技大学动物科技学院,洛阳471003 [2]河南农业大学牧医工程学院,郑州450002

出　　处：《动物营养学报》2019年第5期2405-2415,共11页CHINESE JOURNAL OF ANIMAL NUTRITION

基　　金：河南省科技攻关项目(182102110045);河南省高等学校重点科研项目(16A230018);河南科技大学博士科研启动资金(13480078)

摘　　要：本试验旨在研究不同质量苜蓿草粉对后备母猪生长性能、抗氧化及发情率的影响。试验选取120日龄(体重约40 kg)的后备母猪420头,随机分为4组(每组7个重复,每个重复15头猪)。对照组饲喂不含苜蓿草粉的基础饲粮,试验Ⅰ组、试验Ⅱ组、试验Ⅲ组分别饲喂添加10%低、中、高质量苜蓿草粉(粗蛋白质含量分别为15.1%、18.3%、20.0%;酸性洗涤纤维含量分别为40.3%、34.5%、28.8%;中性洗涤纤维含量分别为50.4%、41.7%、36.2%)的试验饲粮。预试期10 d,正试期100 d。结果表明:1) 120～220日龄阶段,试验组母猪平均日增重显著高于对照组(P<0.05),但试验组间差异不显著(P>0.05),试验Ⅰ组母猪平均日增重最高;试验组母猪料重比与对照组相比有降低趋势,但未达到显著水平(P>0.05)。试验Ⅲ组母猪的腹泻率和死亡率显著低于对照组和试验Ⅰ组(P<0.05)。2)与对照组相比,试验Ⅱ组、试验Ⅲ组母猪血清中甘油三酯含量显著降低(P<0.05)。试验Ⅱ组和试验Ⅲ组母猪血清免疫球蛋白G和免疫球蛋白M含量均显著高于对照组(P<0.05)。试验Ⅱ组、试验Ⅲ组母猪血浆必需氨基酸中精氨酸、蛋氨酸、缬氨酸含量均显著高于对照组(P<0.05);母猪血浆非必需氨基酸中天冬氨酸、脯氨酸、酪氨酸含量显著高于对照组(P<0.05)。3)试验Ⅲ组与对照组相比母猪190～220日龄的发情率显著提高(P<0.05),试验Ⅱ组和试验Ⅲ组母猪血清雌激素含量显著高于对照组(P<0.05),试验Ⅲ组母猪血清瘦素含量显著高于对照组(P<0.05),试验组母猪血清孕酮含量与对照组的差异没有达到显著水平(P>0.05)。4)与对照组相比,试验Ⅱ组与试验Ⅲ组母猪血清丙二醛含量显著降低(P<0.05)。试验Ⅲ组母猪血清超氧化物歧化酶活性显著高于对照组(P<0.05)。综合分析得出,在后备母猪饲粮中添加10%中质量(粗蛋白质含量为18.3%)和高质量(粗蛋白质含量为20.0%)苜蓿草粉具有�The purpose of this experiment was to study the effects of alfalfa meal with different qualities on growth performance,antioxidant and estrus rate of prepubertal gilts.A total of 420 gilts aged 120 days(body weight about 40 kg)were randomly divided into 4 groups(7 replicates per group,15 gilts per replicate):gilts in control group were fed a basal diet and those in experimental groupsⅠ,ⅡandⅢwere fed diets with different qualities alfalfa meal(crude protein contents:15.1%,18.3%and 20.0%,respectively;acid detergent fiber contents:40.3%,34.5%and 28.8%,respectively;neutral detergent fiber contents:50.4%,41.7%and 36.2%,respectively).Pre-test lasted 10 d,and test lasted 100 d.The results showed as follows:1)at 120 to 220 days of age,the average daily weight gain of gilts in experimental groups was significantly higher than that in the control group(P<0.05),but there were no significant difference among experimental groups(P>0.05),and the average daily gain of gilts in experimental group I was the highest.The feed/gain of gilts in experimental groups decreased compared with the control group,but did not reach a significant level(P>0.05).The diarrhea rate and mortality rate in experimental groupⅢwere significantly lower than those in the control group and experimental groupⅠ(P<0.05).2)The serum triglyceride content in experimental groupsⅡ,Ⅲwas significantly lower than that in the control group(P<0.05).The serum immunoglobulin(Ig)G and Ig M contents in experimental groupsⅡ,Ⅲwere significantly higher than those in the control group(P<0.05).The contents of arginine,methionine and valine in plasma of gilts in experimental groupsⅡ,Ⅲwere significantly higher than those in the control group(P<0.05).The contents of non-essential amino acids aspartic acid,proline and tyrosine in plasma of gilts in experimental groupsⅡ,Ⅲwere significantly higher than those in the control group(P<0.05).3)Compared with the control group,the estrus rate of gilts at aged 190 to 220 days in experimental groupⅢwas significant

关 键 词：生长性能 发情率 血清生化指标 血浆氨基酸 

分 类 号：S828[农业科学—畜牧学]