Hello how may I help you? I need some Pet Care advice What can I help you with? I have a dog. It's a black lab. How much food should a go through in a week? How old is your dog? 3 Is it a purebred black lab or a mix? A mix he's about a hundred pounds He should eat 25 pounds of food per week. Really that much huh? Okay thank you You're welcome. Is there anything else I can help you with? Nope