农学 >>> 农学总论 作物学 园艺学 土壤学 植物保护学 农药学 林学 畜牧学 兽医学 水产学
搜索结果: 1-4 共查到农学 Beef production相关记录4条 . 查询时间(0.14 秒)
The objective of this study was to analyze the relationships among cows’ body condition score before calving, subsequent BCS changes, milk yield, lactation characteristics and their sires’ relative br...
The production of adult steers for beef could be a profitable use of the territory in some mountain areas in the south of Europe, where this production is nearly inexistent, owing to an increase in th...
Dec. 1, 2006,The fate of the Amazon rainforest is increasingly tied to the global commodity marketplace, according to a new study by scientists at the Woods Hole Research Center, the University of Flo...
Due to rising trend of beef demand in Asia in the next two decades it is necessary to find additional sources of beef supply. In most Southeast Asian countries, male dairy and swamp buffalo have not y...

中国研究生教育排行榜-

正在加载...

中国学术期刊排行榜-

正在加载...

世界大学科研机构排行榜-

正在加载...

中国大学排行榜-

正在加载...

人 物-

正在加载...

课 件-

正在加载...

视听资料-

正在加载...

研招资料 -

正在加载...

知识要闻-

正在加载...

国际动态-

正在加载...

会议中心-

正在加载...

学术指南-

正在加载...

学术站点-

正在加载...