| Popis: |
The task of this thesis is to elaborate study of insect bite hypersensitivity incidence by the Old Kladrubian white horses. At the beginning of the thesis, problems of congenital disorders in general are summarized, such as origin of the disorders and the forming factors. Further, the insect bite hypersensitivity in horses as an allergic disorder with genetic predisposition is described. Original research concerns with analysis of all actual data of insect bite hypersensitivity incidence in population of Old Kladrubian horse and with analysis of selected horses´ progeny. Incidence of the disorder depends significantly on father of the foal and year of birth. No difference in morbidity between genders of foals was found. At the end the practical breeder´s advices are summarized. |
