1) fecal emission
发酵粪
1.
Five hundred 1-day-old healthy Hy-line chickens with the same weight were randomly divided into 5 groups of 4 replicates each,to evaluate the effect of β-mannanase on performance and fecal emission of ammonia and sulfureted hydrogen by complete randomized disign.
试验采用完全随机试验设计,选择健康、体重相近的1日龄海兰褐蛋用雏鸡500羽,随机分成5组,每组4个重复,研究日粮中添加不同水平的β-甘露聚糖酶对蛋雏鸡生长性能及发酵粪中氨气和硫化氢释放量的影响。
2) Fermented pig manure
发酵猪粪
3) Fermentation rabbit excrement
发酵兔粪
4) the fermentation of excrement
粪便发酵
补充资料：背槽抛粪
1.骂人忘恩负义﹐如同驴马﹐刚在槽内吃食﹐背过身来就拉屎。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条