It is best to feed twice daily so just divide that amount into two meals. Each dog is different so monitor their food intake and weight and increase or decrease the amount as needed. You should be able to just see a hint of the last three ribs. Greyhounds are naturally a thin dog. A fat Greyhound is an unhealthy Greyhound, and you are not doing him any favors by overfeeding.
Obesity causes arthritis, heart disease, and kidney disease.
We hope this answers all or most of your questions. Please call us if you need any more information, or if you decide that this is the breed for you. When you adopt a Greyhound you are opening your heart and home to one of the most loyal, gentle, loving breed of dogs.