... Livestock Farming Systems 畜牧业系统 livestock and poultry farming 畜禽养殖业 productivity of livestock farming 畜牧业产品率 ...
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Animal includes horses, sheep, pigs, rabbits, chickens, ducks and other livestock and poultry farming as well as deer, musk deer, fox, mink, otter and other economic animal domestication industry.
包括牛、马、羊、猪、兔、鸡、鸭等家畜家禽饲养业，也包括鹿、麝、狐、貂、水獭等经济动物的驯养业。
Insects produce less ammonia than pig and poultry farming, ten times less methane than livestock, and 300 times less nitrous oxide.
昆虫产生的氨比猪和家禽少，它们产生的甲烷比家畜少十倍，而产生的一氧化二氮比家畜少三百倍。
Agricultural enterprises are engaged in production of crop, livestock, poultry and fish farming.
农业企业主要从事农作物、家畜、家禽的生产和鱼类养殖。
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