This waste is killing the planet to the extent that even at the micro-level plastic fragments are being found in the bodies of fish and other animals.

这些废弃物正在毁灭地球，到了甚至在鱼和其他动物的身体里也发现了微小的塑料碎片的程度。

youdao

No part of the fish goes to waste.

这种鱼一点也不会被浪费。

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"We're talking plants floating on the surface of the water, using the fish waste as nutrition," he explains.

“我们要说的是水生植物漂浮在水面上，使用鱼的排泄物作为营养源，”他解释道。

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There is an increased threat of infection and disease from polluted waste, and from eating fish that swallowed waste.

VOA: special.2009.09.22

Waste from fish farms such as uneaten food and dead fish can accumulate and destroy parts of the sea.

ECONOMIST: Fish farming

It also has a settling pond and compost heap to keep fish waste out of the Pigeon River.

FORBES: Magazine Article

Brian figured that if he could solve the technology and logistics problems required to anchor a fish farm 10 or 20 miles offshore, where swift currents carry away and disperse the waste produced by concentrated fish stocks, it would allow the farmed fish to swim in the same fresh water as their wild cousins-the best of both worlds.

FORBES: Regulatory Uncertainty Drives A Fish Farmer To Foreign Waters