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散户退养,沼气池嗷嗷待哺湖南省是全国生猪养殖大省,年出栏量在8000万头以上,居全国第二位,年外销量3000多万头,居全国第一。近年来,生猪养殖结构发生了较大变化,规模化显现,散养户减少,年出栏生猪20头的养殖场(大户)达到44.62万家,其中3000头以上的有18563家,万头以上的有260多家,规模养殖比重由1995年的7%上升到当前的60%,散户则由90%以上下降到30%左右。生猪养殖结构的变化带来了两大
Individual retirement, digesters 嗷 嗷 pending feeding Hunan Province is the national pig farming province, slaughter more than 80 million heads, ranking second in the country, annual sales of more than 3000 million, ranking first in the country. In recent years, there has been a great change in the structure of pig farming. Large-scale changes have taken place and the number of free-range farming households has decreased. There are 446,200 farms (large households) with 20 pigs slaughtered annually, of which 18,563 are above 3000, There are more than 260, the proportion of large-scale farming increased from 7% in 1995 to the current 60%, while retail investors dropped from 90% to 30%. Pig breeding structure has brought two major changes