家禽副产品的管理主要涉及土壤、水资源和空气质量问题。
The management of poultry by-products focuses on soil, water and air quality issues.
任何规模家禽养殖场的规划、建设和运营都应该考虑有关储存、管理和利用粪便副产品的问题。
The planning, construction and operation of poultry installations of any size should consider the issues involved in storing, managing and utilizing waste by-products.
许多中国村民从事家禽，猪及鱼类养殖，也有种植园及农副产品。
Many of the Chinese villagers were engaged in poultry pig or fish farming as well as plantation and farm produce.
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