高效双羔疫苗对全舍饲同期发情经产多玛绵羊产羔率和羔羊成活率的影响  

Effects of High Efficiency Double Lamb Vaccine on Lambing Rate and Lamb Survival Rate of Whole House Fed Estrous Multiparous DOMA Sheep

作　　者：旦增曲珍 金美多吉 其美朗加 何冰梅[1] Danzengquzhen;Jinmeiduoji;Qimeilangjia;HE Bingmei(Institute of Animal Husbandry and Veterinary Medicine,Tibet Academy of Agricultural and Animal Husbandry Sciences,Tibet Lhasa 850009,China;Ando County Agricultural and Animal Husbandry Science and Technology Service Station,Tibet Ando 853400,China)

机构地区：[1]西藏自治区农牧科学院畜牧兽医研究所,西藏拉萨850009 [2]安多县农牧业科学技术服务站,西藏安多853400

出　　处：《西藏农业科技》2022年第2期69-72,共4页Tibet Journal of Agricultural Sciences

基　　金：中央引导地方项目(XZ202101YD0019C);安多县多玛绵羊良种扩繁与短期育肥技术研究推广。

摘　　要：为研究高效双羔疫苗对全舍饲同期发情多玛绵羊产羔率和羔羊成活率的影响,在同一种羊场,将420只经产母羊随机均分为对照Ⅰ组、对照Ⅱ组、试验AⅠ组、试验AⅡ组、试验BⅠ组和试验BⅡ组,70只/组。对照Ⅰ组、试验AⅠ组和试验BⅠ组饲养方式为燕麦青干草自由采食+每天补饲怀孕母羊补饲颗粒料0.6 kg;对照Ⅱ组、试验AⅡ组和试验BⅡ组饲养方式为燕麦青干草自由采食+每天补饲怀孕母羊补饲颗粒料0.8 kg。分别于第1日和第21日对试验AⅠ组、试验AⅡ组、试验BⅠ组和试验BⅡ组的母羊进行颈部皮下注射双羔疫苗1 mL,于第2次免疫后再间隔2周后,于每日上午8∶30—9∶00公羊拴系试情布进入母羊群进行诱导发情,寻找发情母羊,对接受试情公羊爬跨的母羊进行人工输精。其中试验AⅡ组和BⅡ组所有母羊于第2次免疫的第2日,阴道内放置海绵栓,放栓后第12天上午注射PMSG和PG,放栓后第13天下午撤拴,撤栓后第2天早上,将试情公羊放入母羊群中,寻找发情母羊。5个月后记录产羔情况和羔羊成活情况。结果表明,在相同的饲养管理下,对照Ⅰ组和对照Ⅱ组未做高效双羔疫苗免疫,AⅡ组和BⅡ组在同期发情的基础上经高效双羔疫苗免疫,几组经产母羊的产羔数量具有统计学意义(p<0.01),且母羊繁殖率也具有统计学意义(p<0.01);同样,试验AⅠ组和试验BⅠ组经高效双羔疫苗免疫,并且试验AⅡ组和BⅡ组在同期发情的基础上经高效双羔疫苗免疫,几组经产母羊的产羔数量具有统计学意义(p<0.01),且母羊繁殖率也具有统计学意义(p<0.01)。燕麦青干草自由采食、每天补饲怀孕母羊补饲颗粒料0.6 kg和0.8 kg差异的基础上,对照Ⅰ组和对照Ⅱ组、试验AⅠ组和试验AⅡ组、试验BⅠ组和试验BⅡ组母羊的产羔数量具有统计学意义(p<0.01),且母羊繁殖率也具有统计学意义(p<0.01)。不论是在相同的饲养管理下,还是�To study the effects of high efficiency double lamb vaccine on lambing rate and lamb survival rate of whole house fed estrous multiparous DOMA sheep,420 parturient ewes in the same sheep farm were randomly divided into control group Ⅰ,control group Ⅱ,test group AⅠ,test group A Ⅱ,test group B Ⅰ and test group B Ⅱ,with 70 ewes in per group.Control group I,test group A Ⅰ and test group B Ⅰ were fed with oat green hay freely and supplemented with 0.6 kg pellet feed of pregnant ewes every day.Control group Ⅱ,test group A Ⅱ and test group B Ⅱ were fed with oat green hay freely and supplemented with 0.8 kg pellet feed of pregnant ewes every day.The ewes of control group I,control group Ⅱ,test group A Ⅰ,test group A Ⅱ,test group B Ⅰ and test group B Ⅱ were raised separately from the rams.On the 1st and 21st day,the ewes of test group A Ⅰ,test group A Ⅱ,test group B Ⅰ and test group B Ⅱ were injected subcutaneously with 1 mL of double lamb vaccine.After an interval of 2 weeks,at 8:30-9:00 every morning,rams tie the test cloth,get into the ewe flock to induce estrus,look for estrous ewes,and artificially inseminate the ewes who accept the test.Among them,test group A Ⅱ and test group B Ⅱ were placed with sponge suppositories in the vagina on the second day of the second immunization.PMSG and PG were injected in the morning of the 12th day after the suppositories were placed.The suppositories were removed in the afternoon of the 13th day after the suppositories were placed.In the morning of the second day after the suppositories were removed,the test rams were placed in the ewes group to look for estrous ewes.Lambing and lamb survival were recorded after 5 months.The results showed that under the same feeding management,control group I and group Ⅱ was not immunized with high-efficiency double lamb vaccine,and test group A Ⅱ and group B Ⅱ were immunized with high-efficiency double lamb vaccine on the basis of oestrus at the same time.There was a significant difference in the

关 键 词：羊高效双羔疫苗 多玛绵羊 经产母羊 羔羊 繁殖率 成活率 

分 类 号：S826[农业科学—畜牧学]