A pea size dose is not a very accurate dosage. Most of us recommend 1/4 ml (0.23 ml) per pound of Panacur or Safeguard given orally every day for 5 days. If you only give it once and again in 10 days, that will only treat round worms, and not capillary or gapeworms. She needs to have chicken feed as the majority of her diet to get the proper vitamins and minerals. I would try wetting a small bowl of chicken feed, and offer bits of scrambled egg, or occasionally tuna. Make sure that she is getting access to granite poultry grit. She could stay in a dog crate with food and water for visits to her flock during the day.