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作 者:Lu DAI Chenghong LI Yuhan LI Ling LI Haoyuan FENG Chaoxi CHEN
机构地区:[1]College of Life Science & Technology,Southwest Minzu University
出 处:《Agricultural Biotechnology》2018年第6期92-94,96,共4页农业生物技术(英文版)
基 金:Supported by the Fundamental Research Funds for the Central Universities:the Young Teachers Fund of Southwest Minzu University(2017NZYQN38);Innovative Scientific Research Project for Postgraduates of Southwest Minzu University(CX2018SZ43)
摘 要:To analyze the causes affecting production situation of one pig farm in southwest region,group leader,assistant and related staffs in the pig farm were queried,mating and delivery situation of sow and dead-culling situation ofpigletwere investigated.The results showed that(1) mating situation: mating 691 pigs,returning to love 42 pigs,abortion 4 pigs,mismatching rate was 7.59%.(2) Delivery situation: delivering 175 nests,total birth 2538,total piglet per fetus 14.5,average healthy piglet per fetus 10.12,invalid piglet rate was30.21%.Among them,mummy fetus,dead fetus,weak piglet and deformity accounted for 47.78%,35.64%,10.71% and 5.87% of invalid piglet.(3) Dead-culling situation: dead-culling rate in breeding process was 12.37%.Among them,diarrhea death wasthemain cause,accounting for 44.47%,followed by pressing,falling to the ground,disease,joint swelling,weakness and other causes,and they respectively accounted for 18.58%,13.36%,13.36%,8.56%,5.85% and 0.62%.To analyze the causes affecting production situation of one pig farm in southwest region,group leader,assistant and related staffs in the pig farm were queried,mating and delivery situation of sow and dead-culling situation ofpigletwere investigated.The results showed that(1) mating situation: mating 691 pigs,returning to love 42 pigs,abortion 4 pigs,mismatching rate was 7.59%.(2) Delivery situation: delivering 175 nests,total birth 2538,total piglet per fetus 14.5,average healthy piglet per fetus 10.12,invalid piglet rate was30.21%.Among them,mummy fetus,dead fetus,weak piglet and deformity accounted for 47.78%,35.64%,10.71% and 5.87% of invalid piglet.(3) Dead-culling situation: dead-culling rate in breeding process was 12.37%.Among them,diarrhea death wasthemain cause,accounting for 44.47%,followed by pressing,falling to the ground,disease,joint swelling,weakness and other causes,and they respectively accounted for 18.58%,13.36%,13.36%,8.56%,5.85% and 0.62%.
关 键 词:PIG MATING ABORTION MUMMY FETUS DEAD FETUS Feeding management procedures
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