I'm dif not a fan of antibiotics and hopefully she'll let us know what she has done so far to see if there are still some other things that can be done first.Does your Pekin have the deep bowl all the time? She should. Personally I do not use antibiotics, but seems to me like Amiga & Miss Lydia have def given you good advice, I think something is certainly amiss. Please post back what you find out.