1 73 calories per ounce or 28 g of sirloin steak lean and fat (1/8 rim of fat). 2  268 calories in a 4 oz or 114g sirloin steak (lean only). 3  402 calories in a 6 oz or 171g sirloin steak (lean only). 4  536 calories in an 8 oz or 227g sirloin steak (lean only).
Double muscling- A genetic trait in cattle where muscles are greatly enlarged rather than duplicate muscles. Double-muscled cattle...
1 These cows are often in moderate to thin body condition. 2  Finishing cull cows on feedlot diets offers considerable potential to improve carcass composition and net return if cows are young, healthy and thin and if cow prices are rising. These cows are often in moderate to thin body condition. 2  Finishing cull cows on feedlot diets offers considerable potential to improve carcass composition and net return if cows are young, healthy and thin and if cow prices are rising.