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University of Kentucky College of Agriculture

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Evaluating Degree of Muscling

When judging swine, the best indicator of degree of muscling is thickness through the center of the hams. The second look should be the width at the ground between the feet when the animal is standing and walking. Because heavy muscled pigs will also be wide based, always compare width at the ground to width down the pig's top to ensure they are equal. Anytime top width exceeds base width it should register as a red flag that the animal is getting fat. The third look should be an evaluation of shape over the top (or loin). It important to make sure the animal is lean before evaluating the top so that you aren't confused by width due to fat cover. A muscular top will have a butterfly shape with the loins on both sides of the backbone extending out higher than the center.