I have an African Grey gosling that is 17 days old now, her name is Maroo. Two days ago she had what appeared to be an "eye burger" in her left eye. While I was holding her she shook it out of her eye on her own. I didn't think anything of it because she seemed perfectly fine. The next day when I put her in a tub of water to swim and clean herself I noticed another type of film on the same eye, she again took care of it herself. Well, this morning her eye is shut and she's not totally acting herself. Should I put a little bit of antibiotic in her water? Im not sure what to do. I have had geese for only a little over a year and this is my first experience with hatching goslings. Any information would be greatly appreciated, thanks.