黑龙江省主要畜禽产品对农民增收的影响实证研究

基于1984—2008年黑龙江省的数据资料，对黑龙江省主要畜禽产品对农民增收的影响进行了主成分回归分析。研究发现，黑龙江省猪肉、牛肉、羊肉、禽蛋、牛奶等主要畜禽产品产量的提高，对农民人均纯收入的增加有显著促进作用且各种畜禽产品产量对农民增收的贡献不尽相同，贡献率依次为羊肉、牛肉、禽蛋、猪肉、牛奶。研究结果可以为黑龙江省调整畜牧业结构提供启示和借鉴，使农民侧重饲养对其增收贡献大的畜禽。表4，参3。

An Empirical Study of Heilongjiang Province's Main Livestock and Poultry Products Affecting Peasants' income Increase

According to the data from1984 -2008 of Heilongjiang province, a principal component regression analysis was carried out for Heilougjiang province＇ s main livestock and poultry products affecting peasants＇ income increase. The research found that the output increase of pork, beef, mutton, eggs, milk etc. main livestock and poultry products can promote percapita net income of peasants obviously and the contribution of different livestock and poultry products＇ output to peasants＇ income increase is various. The order of the contribution rate is mutton, beef, eggs, pork and milk. The article provides enlightenment and reference for adjusting Heilongjiang province animal husbandry structure, making peasants rear livestock and poultry which promote peasants＇ income greatly.