I am 99.9% Clostridium perfringens. Is what my Harriet is suffering from.I know she needs antibiotics. No vets here treat chickens. I have fish pen. Penicillin. she is a cream leg bar 1.5 years old how do I go about administering It to her? It is in pill form. I have divided kflex before to give to a cat. But. How much for a bird?