31. It is the dog's dander and saliva that trigger most allergic reactions. 32. Like most mammals, all dogs slough off dander , or flake dead skin. 33. All dogs shed, and all dogs produce dander and saliva in some degree. 34. There were so many people allergic to cat dander , we had to exclude them, 35. Other options include dander -sealing products, such as Shed Away, Peters says. 36. Sharon Rooney of the Donder Education Society has her dander up and her dauber down. 37. In asthma, it appears to be airborne allergens like dust mites and cat dander . 38. Pets : Pet dander is an allergen. 39. In all, 87 percent of the sampled rooms had detectable mouse urine or dander . 40. Now he realizes that cat dander collected on Breen's overcoat during the fire.