"Crude protein" refers to the total amount of protein in a substance, such as food or animal feed, without specifying the specific types or quality of proteins present. Full definition
The minimum percent of crude protein and crude fat, and the maximum percent of crude fiber and moisture are always required. (tydvet.com)
With 26 percent crude protein content and 15 percent crude fat, this food has the kind of healthy nutrition that your pup needs to get a good start in life. (aplaceforanimals.com)
According to experts, any dry dog food that has a minimum crude protein content of 18 percent can be considered as low - protein dog food. (mypetneedsthat.com)