... parents because they are more protected against within-family drift Second, as a major constraint, the average EBV of the future individuals for an overall combination of many traits of economical importance, ... Matings a j and mating b j remain for final consideration Then, the possible matings assigned to the ordered pair (action 1, action 2) are: a j and a j, b j and b j, a j and b j, b j and a j Each ... Dynamic management of dairy cattle 377 of N s and Nd , for decreasing the risk of discarding valuable candidates Then n = N s × Nd matings are possible and have to be examined Let x be the vector...