育种值 meaning in English

breeding value

Maximum efficiency is obtained by the continous reappraisal of the breading-value of each selected tree as it approaches rotation age .
只有到树木接近轮伐期时，对所选的每株树木的育种值，应作反复多次的评价，才有可能获得最大的效益。
Development of methods about exact estimation of breeding value
准确育种值估计方法的进展
The simple estimation of the breeding value of fruit parents for hybridization
果树杂交亲本性状育种值的简易遗传估算法