OK, so they don't bite skin but they do suck blood from the irritated sites from the chicken scratching? Either way they creep me out and the girls don't like them either.
Worms and Lice!
http://msucares.com/poultry/diseases/disparas.htm
Lice
http://ohioline.osu.edu/vme-fact/0018.html
Worms and Lice!
http://msucares.com/poultry/diseases/disparas.htm
Lice
http://ohioline.osu.edu/vme-fact/0018.html