In addition to buttermilk as an excellent probiotic, it coats intestinal lining preventing further damage by coccidiosis until corid can be given. Buttermilk will help strengthen her immune system. Yogurt has a tendency to pass through them. The rice settles the digestive tract as @coach723...
You're correct. Get her started on Corid immediately. Skip the vitamins. Provide her plain boiled white rice mixed with buttermilk for 2 days. Then after the Corid treatment, worm her with Valbazen liquid cattle/sheep wormer 1/2cc orally, then repeat again in 10 days. Then provide her the plain...