初配日龄对母猪产仔性能的影响

doi:10.12160/j.issn.1672-5190.2011.07.007

Animal Husbandry and Feed Science ›› 2011, Vol. 32 ›› Issue (7): 10-10.doi: 10.12160/j.issn.1672-5190.2011.07.007

Effects of the First-mating Day on the Farrowing Performance of Sows

WANG Bi-qiang,CHEN Bi-hong,DAI Guo-neng,LIN Run-ying,QIAO Hui,GAN Qian-fu （1.Animal Husbandry and Veterinary Station of Wangchuan Town in Hui′an County of Fujian Province,Hui′an 362103,China;2. Nan′an Agricultural and Marine Bureau in Fujian Province,Nan′an 362300,China;3. Animal Husbandry Station of Quanzhou City in Fujian Province,Quanzhou 362000,China;4. College of Animal Science,Fujian Agricultural University,Fuzhou 350002,China）

Online:2011-07-20 Published:2011-07-20

Abstract

Abstract: According to the production data of 203 eliminated sows in a pig farm,the litter size at the first parity,parity number,total litter size of sows with different first-mating day were analyzed. The results showed that the alive litter size at the first parity of sows with the first-mating day of 240-269 day-old was the least,the average parity number of sows with the first-mating day of 270-299 day-old was the least,the average parity number and the total alive litter size of sows with the first-mating day of 300-329 day-old were the highest. The average parity number of sows with the first-mating day of 210-239 day-old was the least. To the best economic benefits,the best first-mating day of sows was 210-239 day-old.

CLC Number:

S828.3

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Effects of the First-mating Day on the Farrowing Performance of Sows

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