i.ve lost two hens in two days,one was ayoung pullet , she was never right from being hatched , the otherwas 1 year old hen her cone was very dull and laid around alot so i gave her 4cc of drench down her throat ,and just came in from the coop and she was dead, she had a messie hind end also, she walked off after i gave her the medicine,maybe i gave her to much its called drench high in vitamins ,checked for mites none to be found .maybe should of gave her vet rx have had good luck with that prouduct