My first attempt is not working out so well. Received my 12 comet chicks and within the first day lost two. Second day lost three more. Today I am down to three and looks like they will not last the day. Have a cardboard box 3x4 w/pine shavings in bottom newspaper on top of it and paper towel. Have heat lamp hanging into one end and water and food located in other end. Do I have something toxic going on?