Show roup can be eradicated only with difficulty fowls suffering from roup in such mild form that its presence passes unobserved and frequently unsuspected often introduce the disease into a flock from which it can be eradicated only with great difficulty according to dr 0 C lipp director of the animal health laboratory at south dakota state college three types of roup are common the comb the nasal and the mouth types the symptoms include small scabby swellings on comb and wattles nasal discharges and difficult noisy breathing and small scabby areas on the tongue mouth lining and throat there is also reduced vitality it allty and egg production and fro fra death in from one to three weeks |