This paper summarily presents the nuisance of excreta in livestock production, and two ways to decrease the manure pollution were discussed: (1) adjustment of the animal nutrition to decrease the loss of nutrient subs...This paper summarily presents the nuisance of excreta in livestock production, and two ways to decrease the manure pollution were discussed: (1) adjustment of the animal nutrition to decrease the loss of nutrient substance; (2) reasonable treatment and utilization of the excrement from domestic animals.\;展开更多
文摘This paper summarily presents the nuisance of excreta in livestock production, and two ways to decrease the manure pollution were discussed: (1) adjustment of the animal nutrition to decrease the loss of nutrient substance; (2) reasonable treatment and utilization of the excrement from domestic animals.\;