I looked it up last night, there are several types, formulated for your area. If it's the 10:10, it has 10% protein, 10% fat, which is very high in fat, protein could be a tad higher for her. It's not top-of-the-line feed. There are better ones, as mentioned above. You're in a boarding situation, don't know if you can do anything about it, apart from buying your own, out of your pocket. The flax is a good idea, some people say, whole seed is just fine, others say it has to be ground. I personally would grind it fresh for every feeding.