The Hezuo pig is from the Plateau region and are located in the Gannan Tibetan Autonomous
Prefecture of Gansu Province, China. The altitude in this region is high (2600 m),
and the temperature low. The pigs are out on pasture year round, and are characterized
by long, coarse and dense bristles, a slow growth rate, and low prolificacy, with
a litter size of 4 to 7; there are 5 pairs of teats.
Cheng, P. (1984) Livestock breeds of China. Animal Production and Health Paper 46
(E, F, S). Publ. by FAO, Rome, 217 pp.