Free food intake can reduce feed waste.

自由采食可以减少饲料的浪费。

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With the change of pig weight constant adjustment, won't cause feed waste.

随着猪体重的变化不断调整，不会造成饲料的浪费。

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The method could even be used to improve the growth of farmed animals or to reduce feed waste.

这种方法甚至还可以用来提高养殖动物的生长速度或减少他们的食物浪费。

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As the caterpillars feed on crops, their waste pollutes waterways and drinking wells.

VOA: special.2009.01.27

And springs that feed them are blocked by trash and human waste.

VOA: standard.2009.12.16

He in fact switched from one mode of breeding that did not work to another and even invented and patented a device to cut down on feed waste.

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As well as animal welfare concerns over rearing large numbers of farm animals in close proximity, the water use, farmland for animal feed, waste and greenhouse-gas emissions associated with meat production make it one of the most significant environmental problems in the world today.

CNN: Lab-grown meat gives food for thought

We feed them animal waste, and they convert it from manure to digested effluent, eating the carbohydrates and producing biogas that contains methane.

FORBES: Magazine Article