The Tibetan black pigs used to make roast suckling pigs at Youran Valley Ecological Farm are imported from Tibet. They are adapted to the mountain environment and are kept in pens. They are small in size and weigh an average of 94 kilograms a year, with more than 40 kilograms of stock and meat. , only one meal a day, go up the mountain to eat wild vegetables, grass and fruits, eat acorns in winter, eat and drink mountain spring water, go up the mountain in the morning to find food by yourself, don’t feed too much, exercise at the same time, healthy, good meat texture, high amino acid content, Fat is good.