Why is the pigeon vomiting

The pigeon vomiting shows that it is sick.Raising this bird requires a loft. It is necessary to place the wooden sticks in the loft. Usually, pay attention to cleaning up to clean up the residues of food and its excretion, so as to ensure its health.Usually, the small pigeons will change hair when they are two months old. At this time, pay attention to supplementing nutrition.Usually feed wheat, buckwheat, sorghum, corn, etc., in addition, some green feed should be supplemented regularly.