杂食性和草食性鱼类的感染率较高，肉食性鱼类较低。
The infection rates of omnivorous and herbivorous fishes were higher than that of carnivorous fishes.
真正的维生素a只能在动物食品中找到，如鳕鱼甘油、鱼类和甲壳类动物、肝脏、牛油、草食性动物的蛋黄等。
Helps detoxify. True vitamin a is found only in animal foods such as cod liver oil; fish and shellfish; and liver, butter and egg yolks from pasture-fed animals.
草食性的三种鱼类均为淡水养殖，团头鲂与鳙鱼的含量显著高于草鱼。
Three herbivorous fish were farmed by freshwater, while mercury in Bighead carp and Bluntsnout bream were higher than Grass carp.
草食性的三种鱼类均为淡水养殖，团头鲂与鳙鱼的含量显著高于草鱼。
Three herbivorous fish were farmed by freshwater, while mercury in Bighead carp and Bluntsnout bream were higher than Grass carp.
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