Hello i have a bantam hen she is 6months old she hasnt been her self the last couple days her tummy seems to be swollen and very warm they were all wormed with valbazem a few days ago she seems to walk a little bull legged her feathers are drooping also and when i rub her tummy as i said which is very warm she has a yellowish draineged coming out the shoot any help would be great thank you!