Could you post a picture. If she is giant breed you want to start by putting her on an all stage food not puppy. With giant breeds you want them to grow slowly so there bones and joints get dense enough to hold there weight. This can help with problems later on in life. Hip and knee problems are a big problem with these big kids. Please also feed the best quality food you can afford it does make a difference.
A dog has so many friends because they wag their tails not their tongues.
R.I.P. Buddy 2002-2008 The best Mastiff ever.
Now owned by Clark the Crazy American Bulldog