Of these, cats are by far the worst offenders, followed by rabbits, dogs and horses. Some animals seem more tolerable than others because they shed fewer allergens, however, there are no dogs or cats that do not cause some sort of allergic response. Short hair, long hair or hairless. . . It is a fact. . . It is the protein of this debris that cause reactions.
Dander tends to be more of a problem with dogs than cats, although it is common to both.
Fel d 1 is the major cause of allergic reactions to cats. During a cat's self-cleaning process, Fel d1 from the saliva is deposited on the fur. It is also deposited on the skin and fur through sebaceous gland secretion. Fel d 1 than females. Recent studies indicate that urine, from cats and dogs as well as from ferrets, guinea pigs, hamsters, and mice, contain allergens which can also trigger allergic reactions.