Pippin was diagnosed with Collitis at her check-up at the vet on Thursday, we knew she had loose poos and were becoming increasingly concerned at the presence of blood/mucus. She has been on an antibiotic and a probiotic and diet of rice and chicken (she is costing more than us to feed at the moment

). Today the poos have regained form and no longer have blood/mucus, how/when do I get her back onto her puppy food? Should I start mixing a little in with her rice/chicken? She will be back at the vet either Monday or Tuesday, will the vet expect her still to be on the rice/chicken diet or is it up to us to get her back onto her regular food?
Any help/info appreciated.