Hello! I have three week olds, and will be getting three new babies in June. The chicks I have now were bought locally (New Mexico), and I was told by the feed store woman (in no uncertain terms,mind you!) that medicated feed is absolutely not necessary in this climate and shuold not be used. But my chicks are 1) being shipped/ stressed and 2)coming from My Pet Chicken,not sure from where exactly.... Should I go ahead and feed them medicated just to be safe?