Do chickens get worms?

The simple answer is YES! Chickens are extremely likely to get worms at some point in their life and the effects of these worms could mean life or death for your flock. There are four types of worms that can live in chickens.
1. Roundworm which are large and can grow up to 7cm, these inhabit within the intestine.
2. Capillaria worms which are smaller and also effect the intestine.
3. Gape Worm which can affect the upper airway.
4. Cecal Worms which inhabit the cecum.