Make sure that she is eating and drinking well, and not being kept from food. What are they eating? What do her droppings look like. You could place her in a crate for 24 hours with some paper towel on the floor, along with her food and water to observe. Collect a few fresh droppings, and check to see if your vet could look at them for worms and coccidia. Poultry Nutri-drench from the feed store is a good supplement containg vitamins, iron and other minerals,amino acids, and electrolytes. Give her 1 ml daily orally. For worming Valbazen or SafeGuard Liquid Goat Wormer are both good ones. Coccidosis is normally treated with Corid powder or liquid added to the water. Medicated feed will not treat an outbreak of coccidiosis, nor will it treat worms or anemia. Chickens can eat small amounts of beef liver, chopped up, for BVitamins and iron.