Farmer Zhang Qiang considers his pigs not just livestock, but national treasures. He is among a handful of Chinese breeders who still specialize in native species - in his case, Wulian black pigs.

According to Dr Williams Guma, an animal expert at Bulindi Zardi – Hoima, a Naro institute that recently held the Seeds of Gold Farm Clinic 14th edition, a breed is a group of pigs with similar ...