ЧАСТОТА МУТАНТНИХ ГЕНІВ В ПОПУЛЯЦІЯХ РІЗНИХ ВИДІВ ВОДОПЛАВНИХ ПТАХІВ
The size of the genetic load was investigated in populations of different breeds and crosses ducks and geese mulard. And also given a description of anomalies that were encountered among waste of incubation. Highest level and range of genetic load recorded in mulard. Exencephalia was met in all investigated species of birds with different frequency