The results showed that giving fine crashed forage, increasing the ratio of concentrate in diet, adding proper additive in feed all decrease the methane emission of ruminant.

• 结果表明，给动物饲喂细碎的牧草、增加日粮中的精料比例、饲料中添加适当的添加剂均可减少反刍动物的甲烷排放量。