I'm getting 12 black sex-link chicks tomorrow! I don't like the idea of giving them medication in their feed all the time, so I picked up a bag of 20% non-medicated crumbles for them. At the feedstore they had a "chick booster" that could be added to the water for the first 4 days, that has vitamins and medication. I'm wondering if maybe I should use that since I'm not using medicated feed? Is it really necessary to give day old chicks prophylactic antibiotics when they're not being put anywhere that poultry has been kept before?