Blood spots on roosters comb?

[MrsCluckles]

He has little blood spots on his comb and it's from buffalo flies biting flies but what I need help with is what to stop it I let them out of their coops everyday and the only solution I found is to keep him in but it's kinda unfair to him I feel bad I dont want ugm to die from this please help I need solutions

 

[MrsCluckles]

I tryd vanilla extract didn't work so please dont comment that

 

[JustAChickenLoverOverHere]

Any pictures of the affected area? And where did you hear about putting vanilla extract on that?

 

[MrsCluckles]

A chicken page like this one and no, I do not because I have been keeping him in the coops so none have got to him but I can tell he needs outside time.