What is the disease of ducks eating feathers

What is the disease of duck eating feather? Ducks are not sick when they eat feathers. They are sick when they eat feathers from other ducks. If after careful observation will be found that the duck“Eat feathers” is first bite the tail, and then to the whole body everywhere.

Experts found after dissection, in the duck’s tail, there is a sebaceous gland, it secretes oil, duck with a hard beak dipped in the oil to the whole body smeared, it will play a waterproof role. When new ducks appear to eat other ducks on the body feathers, one is that the duck is sick, it is calcium deficiency, can supplement calcium, the method is fed with fishbone meal or shellfish shell.

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