Roosters and hens have about the same nutritional value, with hens being a little on the higher side of fat. Whether it’s a rooster or a hen, they are all chickens at heart. The calorie content per 100 grams of chicken is around 120 calories. For protein content, there is not much difference between roosters and hens, with both having a protein content of around 21%. The fat content of roosters is a little lower than that of hens, with roosters having a fat content of 3%. The fat content of hens can sometimes be around 4-5%. The difference in content depends on the breed of hen and the age of the hen. In general, the older the hen, the higher the fat content is likely to be. Both roosters and hens are high protein foods; their proteins are of high quality and have a delicate fiber that is very easy to digest and absorb. Also, compared to red meat, such as beef, pork and lamb, chicken is lower in cholesterol and is a very healthy source of protein. And because of this, it is favored by many fitness professionals. So whether it’s a rooster or a hen, you can consume it in moderation every day, but not in excess.