As early as the early 196s, experts crossed Bamei Black Pig in Jingchuan, Gansu, Neijiang Black Pig in Sichuan and Baxia Black Pig in binary or ternary way. After 2 years' careful selection and cultivation, the leading research group of northwest improved varieties developed and optimized the "Guanzhong Black Pig" variety. Guanzhong Black Pig is a local superior breed in Shaanxi Province, and has obtained the first batch of geographical indication products from the Ministry of Agriculture. Appearance characteristics

Guanzhong black pig has black back hair, thin and short mane, white skin color, large body, strong physique and compact structure. The head is medium-sized, the forehead is wrinkled vertically, the appearance is relatively cool, the mouth is moderate in length, the ears are small, the ears extend forward horizontally, the trunk is long, the back and waist are straight, the abdomen is compact, the buttocks are plump, and the tail root is high and thick.