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shi lun gui mo hua yang zhu sheng chan zhong de huan jing wu ran wen ti ji dui ce
Pages: 18-20
Year: Issue:  23
Journal: Agricultural Technology & Equipment

Abstract:  改革开放30年以来,我国养猪业得到了快速发展,养猪业已经成为我国畜牧业经济的丰体部分.自1978年以来,生猪年末存栏量由1978年的3.01亿头增加到2007年的4.40亿头,年均增长1.82%;出栏量由1.6亿头增加到5.65亿头,年均增长6.16%;猪肉产量由1000万t增加到4000万t以上,年均增长7.54%.
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