Levels of infection by gastrointestinal parasites of sire and theirs daughters as criteria for selection of helminth resistant sheep

The relationship between levels of infection with gastrointestinal nematodes expressed in eggs per gram counts (e.p.g) and categorized as negative, light, moderate and heavy, were analyzed by multivariate analysis of simple linear correspondence and the following results were obtained: The Bergamasc...

Повний опис