Nestlings develop an umbilical infection and an abscess is formed which can spread to the internal organs. At 10-14 days of age, pungent-smelling liquid droppings and the first signs of retarded growth are observed, with the nestlings constantly squeaking for food.
If increased drinking water is required (e.g. in the hatching period or hot weather), do not dilute medicated water. Instead, provide fresh water after the medicated water is finished. Do not provide bath water during the treatment period.