Detailed Explanation of Selection Methods and Techniques for Breeding Boars

First is the selection and retention of replacement boars: from among the piglets born to robust mature sows that have farrowed large litters, select healthy young boars that eat quickly, have a large frame, are well-proportioned in all body parts, and are lively in temperament. Second is conformity to the breed's external appearance characteristics: the hindquarters should be proportionate to the forequarters, the rump broad, flat and long with well-developed muscle; the tail root thick and the tail tip curled, swinging freely and not drooping. Third is a moderately sized abdomen, with teats neat, even and normally developed, and the number of teats no fewer than 7 pairs or meeting a specific standard. Fourth is sturdy, thick and powerful limbs with a proper stance. Fifth is well-developed testicles, symmetrical on both sides, large and prominent.