The significant allergens are proteins found in the dog's saliva and dander. Allergic reactions to cat dander and/or cat saliva are common. Their thick fur resists parasites, such as fleas, and reduces loose dander. The dog's dander and saliva typically trigger most allergic reactions. Chickens can carry and transmit salmonella in their dander and feces. It is the dog's dander and saliva that trigger most allergic reactions. Due to purported less shedding, Goldendoodles tend to have less dander, possibly reducing allergic responses. All dogs shed, and all dogs produce dander and saliva in some degree. More pet dander is sloughed off in older animals than in younger animals. It is a non-shedding breed with low dander and is considered hypoallergenic. Often the problem is with the dog's saliva or dander, not the fur. The virus is spread in dander from feather follicles and transmitted by inhalation. Larvae also feed on dander and fallen human hair. Like most mammals, all dogs slough off dander, or flake dead skin. Orville tries to evict Bugs, which gets Bugs' dander up.