Animals, Macaronesia, Parasitology, Epidemiology, Europe, Madeira, Female, Male, Prevalence, Portugal - epidemiology, Agglutination tests, Antibodies, Protozoan - blood, Antigens, Helminth - blood, Cat Diseases - blood, Cat Diseases - immunology, Cat Diseases - parasitology, Cats - immunology, Dirofilaria immitis - immunology, Dirofilariasis - blood, Dirofil...