根据禽畜饲养发牌计划，禽畜农场必须装设和使用废物处理系统，以防止污染水道。
Livestock farmers are also required to install and operate waste treatment systems under the Livestock Keeping Licensing Scheme to prevent pollution of watercourses.
根据禽畜饲养发牌计划，禽畜农场必须装设和使用废物处理系统，以防止污染水道。
Livestock farmers are also required to install and operate waste treatment systems under the Livestock Keeping Licensing Scheme to prevent pollution of watercourses.
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