Chicken Vent Problems

The chicken vent is called the cloaca. The cloaca size is dependent on the breed and size of the chicken.

When a hen lays an egg the oviduct is pushed through the cloaca and retracts after the egg is laid. If it doesn't retract and a part of the oviduct remains outside the body then prolapse occurs. Bloody tissue can be seen protruding from the vent causing what is known as a bloody vent in chickens. This often occurs in hens that are overweight, older or very young.

This isn't a frequent occurrence but when it does happen it can be difficult to cure because as the hen continues to lay the oviduct comes out of the cloaca again and again. If the hen is not separated from the flock the other chickens will pick at the vent possibly causing death. If you have a question you would like us to answer click here.

Chicken Vent Questions


Chicken Vent Problems 
Question : Vent Lump protruding: I have a chicken with a red swollen lump protruding out of the vent. She is still eating and drinking. Seems …

Brown bloody looking vent

Question Brown bloody looking vent: One of my laying hens seem to be missing most of the feathers around her vent, what is there for feathers are all …

Blood and liquid coming from vent

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Question Blood and liquid coming from vent: I have an established layer who I noticed had a very bloody vent yesterday late afternoon (fresh blood) …

Bleeding from rear

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Question A one year old White Shaver (or Leghorn) has dried blood in the feathers below her vent and bleeding from rear. There are three hens of …

Vent problems

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Question Vent problems: I have a chicken that has what looks to be a ruptured vent. It is swollen, bloody and seems to be stretched out. The chicken …

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