The pollution of domestic animal excrement on enviroment was more regarded with expand scale of animal production and increase of intensive.
随着畜牧生产规模的不断扩大和集约化程度的不断提高，畜禽排泄物对环境的污染已受到普遍重视。
There are many problems in the present animal husbandry, livestock produce leftovers and animal excrement affect and harm animals, mankind and the environment.
现在的养殖业存在许多问题，畜产品残留物及动物排泄物影响动物本身、人类和环境，带来了一系列危害。
Vegetation matter, esp. when mixed with animal excrement, will also contribute to the water retention property of the growth medium in addition to its slow release nutrient.
尤其在与动物排泄物混合时，植物体除缓慢释放养料外，还有助于生长介质的水分保持性能。
Animal excrement emits gases, such as hydrogen sulfide and ammonia, that poison the air around farms, as well as methane and nitrous oxide, which are major contributors to global warming.
动物的排泄物释放出的气体，例如氢化硫、氨气、污染了农场周围的空气，同时，甲烷和一氧化氮则是导致全球变暖的主要元凶。
Animal excrement emits gases, such as hydrogen sulfide and ammonia, that poison the air around farms, as well as methane and nitrous oxide, which are major contributors to global warming.
动物的排泄物释放出的气体，例如氢化硫、氨气、污染了农场周围的空气，同时，甲烷和一氧化氮则是导致全球变暖的主要元凶。
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