肉牛营养饲料与肥育研究进展

Research Progress on Nutrition Feed and Fattening of Beef Cattle

随着国民经济的发展和人民生活水平的提高,肉、蛋、奶需求量逐渐增加,牛肉具有高蛋白、低脂肪且富含丰富维生素及微量元素等优点备受人民青睐,人们对牛肉需求量呈上升趋势,同时对其品质和食品质量安全有着更高的要求。本文从肉牛的营养需要及肥育、瘤胃的代谢与营养调控、饲料替抗与绿色添加剂的开发、本地特色饲料资源开发与利用等方面进行了综述,以期为我国冀北地区肉牛饲养管理与肥育发展提供参考和借鉴。

With the development of the national economy and the improvement of people’s living standards,the demand for meat,eggs and milk has gradually increased,and beef is favored by the people for its high protein,low fat,rich in vitamins and micronutrient,the demand for beef is on the rise and the quality and safety of food are required to be higher.In this paper,the nutritional requirements and fattening of beef cattle,the metabolism and nutritional regulation of Rumen,the development of feed substitution resistance and green additives,and the development and utilization of local characteristic feed resources were reviewed,it is expected to provide reference for the development of feeding management and fattening of beef cattle in north Hebei province.