when my vizsla was a puppy, also somewhere around ten months she would also get pickier with eating. I'd suggest introducing newer variations to her meals, what I did was, instead of feeding plain kibble, I added rice, and chicken, and a little bit of canned pumpkin puree to ease digestion. Another reason for not eating may be intestinal obstruction which means that the puppy could have something stuck in her intestines that could be blocking food off. Symptoms of obstruction include vomiting, diarrhea, and loss of appetite, and surgical procedure may be required.