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...
The only difference is that previous research has shown cows with twins to calve about 7 days early and cows with triplets to calve about 13 days early. The research indicates less of a difference in gestation length between cows and heifers that is commonly believed.