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。
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。
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