a prime example

Unofficial term used to summarize this WTO definition: " Carcases or any cuts obtained from bovine animals of less than 30 months of age which have been fed for at least 100 days on nutritionally balanced, high-energy-content rations containing not less than 70% grain and comprising at least 20 pounds total feed per day. Beef graded 'choice' or 'prime' according to the USDA (U.S. Department of Agriculture) standard automatically meets the above definition. Meat graded Canada A, Canada AA, Canada AAA, Canada Choice and Canada Prime in accordance with the standards of the Canadian Ministry of Agriculture meets to that definition."