新加系猪在凉山生态区的适应性研究

Research on the adaptability of Canadian pigs in Liangshan region

把新加系大约克、杜洛克种猪引入低纬度、高海拔的南亚热带生态区有一个适应周围生态环境、饲养管理的过程,本文就对凉山州引进的新加系大约克、杜洛克种猪的各项生产性能进行了观察、测定,结果表明:各项繁殖性能初产后均逐步提升,至第3胎后达到一个较高且稳定的水平。

Large Yorkshire and Duro of new Canadian pigs were introduced into South Asian tropic ecological region with low latitude and high elevation, requiring a progress of environment adaptation and breeding management for the purpose of prosperities observation and evaluation. The result showed that the reproduction performance improved a lot after primiparity and kept at a comparatively high and stable level after the third delivery.