Though there are numerous recommendations and suggestions concerning what sort of diet is best for dogs, it's certainly indisputable that every canine diet should be rich in protein, calcium and water. Pet owners have several choices when it comes to choosing a commercial dog food provider, and while many of the name brand foods, both dry and canned, claim to contain real meat and vegetables, some veterinarians and pet owners worry that the additives combined with poor-quality meat in commercial food isn't adequate for proper canine nutrition. For these reasons, many pet owners have investigated ways to supplement their pet's nutrition on their own at home, making meals for their dogs themselves using raw meats and vegetables, eggs, cheeses and a variety of homemade treats. Some pet owners choose to give their dogs a strictly vegetarian diet, steaming vegetables and cooking eggs for their pets daily.