You will find you need to bathe them every two weeks no matter what food they are on. Bumps, well, could be tons of stuff! I, personally, think that Gator's WAS a food issue because they are nice and clear now. But it could also be hormonal (which I think is Gypsy's problem) or environmental allergies. Could also be that her chin isn't completely dry or a bacterial thing from her food bowl.
tips:
Use stainless bowls for food and water. Wash after EVERY use with hot soapy water or throw in the dishwasher. Wipe her chin after she drinks. Clean her chin after she eats.
You can try stridex pads. These did not work for Gator but work very well for Gypsy. I also put an antibiotic cream on them after cleaning with the stridex (twice a day). Some use brown listerine and it works for them, some use peroxide or malaket wipes, and some just soap and water.
Try a food change. If she has gas, it probably won't hurt to get her on something grain free. How old is she? You can do a grain free all stages food and there are lots to choose from. Natrual balance LID is one you can find at most pet stores and works for lots of bullies.
Anyway, good luck. If they break open and bleed, a visit to the vet is in order. Take care and hope you get them under control!
