2019年肉牛饲料添加剂国外研究进展

Foreign Research Progress of Beef Cattle Feed Additives in 2019

文章搜集了2019年肉牛国外饲料添加剂的文章,主要从饲用微生物、矿物质、油脂、抗生素、饲用酶制剂等5方面进行了综述。侧重于评价各种饲料添加剂对肉牛生产性能、消化性能、瘤胃发酵和胃肠道菌群等各项指标的影响。通过了解国外肉牛饲料添加剂的研究进展,全面了解肉牛饲料添加剂的现状及其发展趋势,从而更好地指导牛业生产。

This paper collected the foreign feed additive articles of beef cattle in 2019,and were summered them mainly from five aspects including the feed microorganisms,minerals,oil,antibiotics and feed enzyme preparation.The effects of various feed additives on production performance,digestibility,rumen fermentation and gastrointestinal microflora of beef cattle were evaluated.Through understanding the research progress of beef cattle feed additives in foreign countries,comprehensively understand the current situation and development trend of beef cattle feed additives,so as to better guide the production of cattle industry.