Hengjing Pig

Hengjing Pig

　　Hengjing Pigs are primarily bred in Hengjing Town, Wuxian County, Jiangsu Province. They are distributed around Hengjing Town in Wuxian County.

　　Growth environment: The production area is located in a subtropical zone with a mild climate, abundant rainfall, high crop yields, and is one of China’s renowned regions for stable and high agricultural productivity.

　　Physical characteristics: The skeletal structure of the Hengjing Pig lies between that of the Meishan Pig and the Mi Pig. It has a large head with a wide forehead, many deep wrinkles on the forehead, exceptionally large ears that are soft and droopy, with ear tips reaching or extending beyond the corners of the mouth, resembling a large palm-leaf fan. The coat is black or bluish-gray all over, with sparse but dense clusters of hair spaced far apart. The abdominal skin is often purplish-red, and some individuals may have white noses or white tail tips. The number of teats is usually 16 to 18.

　　Breed performance: Adult Hengjing boars weigh 152.34 ± 4.93 kg, are 142.00 ± 3.00 cm in body length, 124.00 ± 0.58 cm in chest girth, and 77.73 ± 1.45 cm in height. Adult sows weigh 153.7 ± 4.86 kg, measure 125.57 ± 0.61 cm in body length, 109.09 ± 0.60 cm in chest girth, and 63.80 ± 0.28 cm in height. They have high fertility, giving birth to 12 piglets in the first litter and 16 or more in subsequent litters, with 25–29 ovulations. Sixty-day milk yield is 311.5 kg. Daily weight gain is over 430 g, the slaughter rate is 65%–70%, the lean meat percentage of the Erhuawen variety is 45.1%, and the eye muscle area is 15.8 cm².