摘要
母猪的繁殖性能是决定养猪生产水平和效率的关键因素之一,合理的胎次结构能够使母猪的繁殖性能在群体水平上达到最大化,但是目前适宜繁殖母猪的胎次结构并没有统一标准,而且在实际生产中各种因素也制约和影响着繁殖母猪群体的胎次结构。本研究应用计算机模拟技术,根据现代养猪生产的工艺和生产参数,以600头基础母猪为研究对象,重构商业万头猪场10年的生产过程,根据母猪的年生产能力(PSY)的大小,研究合理和适宜的繁殖母猪的胎次结构,为猪场制定母猪群体的胎次结构提供理论支持和决策依据。结果表明:当母猪群体第1~10胎的比例分别为3.40%、4.26%、12.48%、19.15%、19.93%、17.02%、12.70%、7.87%、2.48%、0.71%时,年产仔数和断奶仔猪数达到最高。
The reproductive performance of sows is one of the key factors to determine the level and efficiency of pig production, and reasonable herd parity structure make the reproductive performance of sows to reach the maximum at the population level. At present, the herd parity structure of sows does not have a unified standard, and various factors in actual production also restrict and affect the herd parity structure of sows. In this study, we used computer simulation technology , according to the process and production parameters of modern pig production, to research a pig farm which had 600 breeding sows production data for ten consecutive years. According to PSY （productivity per sow per year ）, put forward a reasonable and suitable herd parity structure for breeding sows. The results showed that the best herd parity structure for the first parity to tenth parity is 3.40%, 4.26%, 12.48%, 19.15%, 19.93%, 17.02%, 12.70%, 7.87%, 2.48%, 0.71%.
出处
《中国畜牧杂志》
CAS
北大核心
2017年第6期32-35,共4页
Chinese Journal of Animal Science
基金
"现代农业产业技术体系北京市创新团队"项目(BAIC 02-2017)
"长江学者创新团队"项目(IRT1191)
关键词
繁殖母猪
胎次结构
计算机模拟
Breeding sows
Herd parity structure
Computer simulation
