搜索结果: 1-7 共查到“畜牧学 poultry production”相关记录7条 . 查询时间(0.062 秒)
Economics of egg poultry production in Khartoum State with emphasis on the open-system- Sudan
Egg production pullet farm open-system farms
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...
Chinese Poultry Genetic Resources and Utilization of Native Breeds in Poultry Production
genetic resources poultry production China
2009/8/3
Basic situation of poultry genetic resources and poultry production in China was briefly introduced. The strategy on conservation and utilization were to breed new breeds or lines, to use heterosis an...
Role of Dietary Methionine in Poultry Production
growth heat stress immune methionine poultry
2009/7/29
Synthetic DL-methionine (DLM) supplements poultry diets to enhance production. The bioefficacy of liquid methionine is generally lower than that of powder methionine; however, if the level of total s...
Identification, characterisation and composition of scavengeable feed resources for rural poultry production in Central Tanzania
Central Tanzania rural poultry scavengeable feed resources
2009/3/3
A participatory study was carried out in four villages of central Tanzania to appraise existing and potential scavengeable feed resources available for rural poultry. In addition, proximate analysis...
Strategies to optimize the use of scavengeable feed resource base by smallholders in traditional poultry production systems in Africa：A review
Traditional rural poultry free-range backyard scavenging
2009/3/3
Traditional poultry production accounts for about 80% of the poultry population in Africa. Such poultry species are kept by smallholders, mostly in free-range and in backyard systems for food securi...
Free-range Poultry Production - A Review
Forage Nutrient Requirement Poultry Husbandry Animal Welfare Free-range Egg Free-range Meat
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
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 ...