搜索结果: 1-4 共查到“畜牧学 Ayrshire”相关记录4条 . 查询时间(0.042 秒)
Quantitative trait loci for udder conformation and other udder traits in Finnish Ayrshire cattle
Quantitative trait loci udder conformation dairy cattle
2010/8/9
Udder traits are important due to their correlation with clinical mastitis which causes major economic losses to the dairy farms. Chromosomal areas associated with udder conformation traits, milking s...
Genetic analysis of clinical mastitis during different risk periods in Finnish Ayrshire
Dairy cattle genetic parameters clinical mastitis Bayesian analysis
2010/8/9
Clinical mastitis (CM) records from first-lactation Finnish Ayrshire were analysed by linear and threshold models to assess the effects trait definition on estimates of genetic parameters and sire eva...
Coefficients of relationship and inbreeding among Finnish Ayrshire and Holstein-Friesian
Ayrshire Holstein-Friesian inbreeding relationship generation interval
2010/8/13
Pedigree data from national breeding value evaluations were used in calculation of the coefficient and rate of inbreeding, average coefficient and rate of relationship and generation intervals for the...
The effect of free or restricted acidified milk feeding of Finnish Ayrshire bull calves on the subsequent fattening and slaughter performance
calves bulls milk feeding growth feed intake performance
2010/8/13
The aim of the research was to study whether the anticipated added weight gain from ad libitum acidified milk feeding compared to restricted milk feeding during the preweaning period can be maintained...