... fish culture in river 河川养殖 Organic fish culture 有机鱼养殖 aquaculture fish culture pis 水产养殖 ...
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通过了解这个家庭的生活方式，作者有机会探讨土鸡产的蛋，人道饲养的动物及捕捞鱼和渔场养殖的鱼。
Looking at this family's lifestyle gives the authors the opportunity to explore subjects like range-free eggs, animals raised humanely, and fishing practices and farm-raised fish.
专家表示，农场养殖的鱼只有在几乎完全喂食有机养料的情况下，才能贴有机商标。
The experts said farm- raised fish should be labeled organic only if they were fed almost completely organic plant food.
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