My chickens have bad breath, what does this mean?

If your chickens have foul breath this could mean that they are experiencing an illness called sour crop. Sour crop is when the crop becomes impacted. One way to check for signs of sour crop is to open your chicken’s mouth and look for signs of canker. You can also feel the crop externally; this should be squishy not hard. If you suspect that your chicken has sour crop speak to your vets it will need to be treated.