Don't feed moldy feed.
Drink clean water.
Provide enough health care sand.
Pigeonhouses should be ventilated frequently, and pigeons should be kept in the sun.
Don't scare pigeons, make them feel safe.
Pigeons in the pigeon house should not be too crowded, and there should be a loose nest room.
Don't easily tolerate exotic pigeons with unknown conditions or introduce pigeons with unknown details to avoid breeding germs.