Cooperative pig

Commonly known as Heicuo Pig, Mountain Pig

The variety source center is located in the areas of cooperation, Zhayou, Bula, Meiwu and Jiamuguan in Xiahe County, Gannan Tibetan Autonomous Prefecture, Gansu Province, and is also distributed in the semi-agricultural and semi-pastoral areas of Luqu, Tieni and Diebu counties at an altitude of about 3000m.

The coat of Hezuo pig is mostly black, and the belly, limbs and tail tip are white. Piglets often have brown and yellow vertical stripes, which gradually fade with age, and the stripes disappear after 3 ~ 4 months old. The head is narrow and tapered, canine teeth are well developed, ears are small and erect, and there are no obvious wrinkles on the forehead; the neck and body are short; the chest is narrow; the waist is straight or slightly raised; the hindquarters are slightly higher than the forequarters; the buttocks are tilted, the limbs are strong, and the hooves are small and firm; nipples are usually 5 pairs. Hezuo pigs matured earlier, boars were 3 ~ 4 months old and sows were 4 ~ 5 months old. The litter size of first-born sows is 2, and that of post-parturient sows is 4-7, as many as 8-10. Cooperative pigs are mostly raised by grazing, one-year-old weight 25kg, two-year-old can reach 40kg, such as grazing and house feeding combined with one-year-old body weight can reach more than 40kg, slaughtering rate of 65%, delicious meat.