The allergen, Individual cow dander test is used to analyse the level IgE antibody and to determine the kind of allergy a person is suffering from which happens to be caused by dander of cow or any other milch animal. Sometimes, this test is also confused by a person suffering from intolerance of lactose. Due to direct exposure to cattle, various things such as hairs, skin and even from the waste products, the allergy causing agents enter the body of a human and directly affect the immune system. A few of symptoms of allergen include tiredness, sneezing, problem with breathing, etc.