How do I worm my chickens they are now laying I am putting them in new coop I just bought but how do I worm them..I'm using de for mites n lice cus there are wild chickens in several areas on ranch so these 5 were abandoned n being attacked by wild chickens so I'm gonna buying layer crumbles meal worms etc but need to know how to worm cus 1 when has pale comb but she is a good layer