Dirty butts

[Debshappyflock71]

What’s going on when chickens have dirty butts and what to do?

 

[nuthatched]

All of them? What's their diet? Any watery treats recently like fruit or veg?

 

[Debshappyflock71]

not all of them but some of them. I give them layer crumbles and for treats they get meal worms black oil sun flower seeds and scratch and acv in water once a week they are laying daily