Angel Wing or Slipped Wing
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Angel Wing or Slipped Wing is a disease that affects waterfowl, primarily geese and ducks.
The disease manifests as an incurable anatomical condition which is acquired in young birds. Due to a high-calorie diet, especially one high in proteins and/or low in vitamin D, vitamin E and manganese, one or both carpus (wrist) joints are retarded in their development relative to the rest of the wing; for reasons unknown, if only one wing is affected it is usually the left one. The result is a wrist which is twisted outwards and unable to perform its usual function.
Angel wing symptoms include stripped remiges (flight feathers) in the wrist area, or remiges protruding from wings at odd angles. In extreme cases, the stripped feathers may resemble sickly blue straw protruding from wings. In adult birds the disease is incurable and usually leads to an early death as affected birds are rendered effectively or totally flightless. In young birds wrapping the wing and binding it against the bird's flank, together with feeding the bird a more natural diet, can reverse the damage.
It is also possible that the cause could be genetic, as the same breeding pair can produce several Angel Wing chicks or cygnets over many broods. As little research has been done on this, it is impossible to favour one theory over the other.
Possible Treatments (discuss with vet):
- Reduce protein by adding wheat to feed and change to grower ration
- Tape wing for 3 days
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