- Crossbreeding effects of angus on native yellow cattle
- The german cattle population is provided with outstanding health status documented by reliable certificates
- The project will assist the development of a number of beef production model systems that are integrated from seedstock producer to processor and consumer
- According to the report of u . n . food and agriculture organization , 16 percent of all 7 , 600 known breeds of cattle , pigs , sheep , chickens , ducks and other farm animal species are at risk
根据联合国粮食及农业组织的报告，在已知现有7 , 600种牛、猪、羊、鸡、鸭和其他农场畜种中，有16 %濒临危险。
- In the second chapter , we used the two deformed newton which was discussed in the chapter 1 to solve the problem of finding the roots of nondifferentiable equations and established convergence theorems using majorant method
- Based on studying the performance of the acrylics - based and poly - vinyl - based milk - protein fibers , the new qualitative identification method about the two kinds of milk - protein fibers is researched with the chemical agent " zncl - i2 "