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 Separate non-pregnant cows by age. 2  Are the majority of the opens in young cows, females trying to become pregnant for the second calf. 3  If this is the case, then more often than not, it is due the nutrition program. 4  Calf first-calf-females in a body condition score of 6 (on 1 to 9 scale). Are the majority of the opens in young cows, females trying to become pregnant for the second calf. 2  If this is the case, then more often than not, it is due the nutrition program. 3  Calf first-calf-females in a body condition score of 6 (on 1 to 9 scale).