搜索结果: 1-3 共查到“养禽学 poultry production”相关记录3条 . 查询时间(0.046 秒)
Economics of egg poultry production in Khartoum State with emphasis on the open-system- Sudan
Egg production pullet farm open-system farms
font style='font-size:12px;'>
2011/1/12
The main objective of this paper was to study the economics of poultry egg- production in the open- system in Khartoum State. Specific objectives were to study the socio-economic features of poultry e...
Free-range Poultry Production - A Review
Forage Nutrient Requirement Poultry Husbandry Animal Welfare Free-range Egg Free-range Meat
font style='font-size:12px;'>
2016/4/18
With the demand for free-range products increasing and the pressure on the intensive poultry industry to improve poultry welfare especially in western countries, the number of free-range poultry farms...
Application of Phytase, Microbial or Plant Origin, to Reduce Phosphorus Excretion in Poultry Production
Microbial Phytase Plant Phytase Wheat Bran Phosphorus Reduction Poultry
font style='font-size:12px;'>
2016/4/12
In order to prevent pollution from animal waste, the excretion of nutrients should be reduced through proper nutritional management. Among the many nutrients of concern, such as N, P, Cu, Zn and K, P ...