家畜目前排放的温室气体占到全球总数的百分之四，如果用新的饲料则可以将期减少到百分之三。

Farm animals currently produce four per cent of the world's total greenhouse gas emissions, and it's thought the new diets could cut that to three per cent.

youdao

中国有家畜禽品种、类群596个，其中土著家畜禽品种（类群）占品种总数的70％以上。

There are 596 species of livestock and poultry in China, of which over 70 percent are native species.

youdao

中国有家畜禽品种、类群596个，其中土著家畜禽品种（类群）占品种总数的70％以上。

There are 596 species of livestock and poultry in China, of which over 70 percent are native species.

youdao