养殖与饲料
- 网络animals breeding and feed
养殖与饲料-
健康养殖与饲料营养
Healthy Culture and Feed Nutrition
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绝大部分的蛋鸡养殖户没有与饲料的供应商签署书面的质量保证协议，最多也就是口头承诺，养殖户购买的饲料缺乏质量保障。
The vast majority of hens ' farmers and feed suppliers do not sign a written quality assurance agreement , that is , up to an oral commitment to farmers to buy feed , the lack of quality assurance .