I am raising chicks for a science fair project and I have come home to a dead chick every day for the past week now. I started out with forty one chicks and thought that they could have a problem with pasty butt until I cleaned all of them and none have had pasty butt since. Then another one died, I added another heat lamp because I thought that it may have been trampled if the chicks got cold. The next day I went up to three heat lamps because yet another one died. Yesterday, I finally moved them into a heated shop and there is no way that they could be cold. I came in to feed them today and yet again, one was lying on the ground dead. They are always spread out when I find them but I don't know if that is important or not. They have been on medicated feed and were vaccinated for marek's. None of the chicks have ever seemed lethargic, so I do not know why or how they are dying. Please help!!! If I lose two more chicks my project will get cancelled. Thanks for any responces.