That depends on how big the dog food pieces are, if its dry food.
Depends on the size, reword, be more specific, and repost.
there are 8 oz in a (1) cup ...
it all depends on the size of the the cup and what kind of dog food.
About 2 cups
I am only guessing but it seems close to 300 grams, but I am sure there are experts out there who may be better at this than I.