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 Caesarian sections should only be used as a last resort for cows that are calving too big a calf. 2  Cows will take from 2 to 6 hours to complete cervical dilation and have uterine contractions before the calf is born. 3  Usually it's longer in heifers than in cows.