my two hens always act like they're starving, but when i feed them, they run up to me and just stand there, not eating. i feed them some layer pellet, some scratch, and some fruit waste, but they don't seem to want to eat it in the last week. the feed store thought maybe they need to be wormed, but the only wormer they carry (wazine 17) says it shouldn't be used on egg layers. i've heard of verm-x, but can't find a US distributor. thanks for any suggestions!