农村是畜禽养殖的主要生产基地,农民利用庭院从事养殖,可以增加收入。但随着养殖规模的不断扩大,庭院养殖的不利因素不断呈现,造成养殖饲养规模无法扩大,产业化程度无法提高,结构调整不合理,科学养殖技术含量低,畜产品品质较差,经济效益不高,市场竞争力较弱,市场组织化程度较低,养殖污染影响 The rural areas are the major production bases for livestock and poultry farming. Farmers who use the courtyard to engage in farming can increase their incomes. However, with the continuous enlargement of breeding scale, unfavorable factors of courtyard farming continue to emerge, resulting in the scale of breeding can not be expanded, the degree of industrialization can not be improved, the structural adjustment is unreasonable, the technological content of scientific farming is low, the quality of livestock products is poor, and the economic benefits are not High, weak market competitiveness, low degree of market organization, breeding pollution