The special product of Gannan Prefecture in Gansu Province, Dianbu Nigma pig, Diebu Nigma pig, also known as Diebu Tibetan pig, Diebu Tibetan pig, named after the plant called a fern (ginseng fruit), is the Dui The Tibetan ancestors were domesticated by wild boars. The main producing area is located in the alpine valley between 2000 and 4000 meters above sea level in Diebu County. It is a short-brown ancient pig breed. The mouthpiece is long and straight, conical, and the length of the limbs is moderate. The coat is thick and thick, mostly black, with an average body weight of 22kg at 12 months. It is cold-resistant and resistant to strong sunlight. Responsive and well organized.

Because of its long-term grazing, the sylvestre of the fern is rich in high quality forage and precious Tibetan traditional Chinese medicines such as fern, psyllium, wild sorghum, blue stalk, morel, cordyceps, fritillary, wild ginseng, etc. Low, juicy, tender, good amino acid content, rich in calcium, zinc, selenium and other human essential trace elements, is the only pig with carbonic anhydrase, not only high value, but also strong, improve blood circulation, It regulates blood pressure, inhibits cancer cell growth, anti-aging, anti-fatigue and other pharmacological activities, and is known as "plateau mountain treasure" and "black pearl floating between forest and grassland".

Technical requirements for the quality of the stalked stalked pork. I. Variety of the cultivar Breeding environment: Alpine valley between 1600m and 4900m above sea level, including natural grassland, forest vegetation, spring water or stream. 2. 3. Feed conditions: grazing is mainly based on fern, medlar, wild carrot, dandelion, blue bar seed, mountain peach, sea buckthorn and alfalfa root. The house is mainly made of barley, oats, beans and potatoes. 4. Feeding period: 10-12 months old. 5. The standard for the production: 30-35kg. 6. Environmental and safety requirements: Feed, feeding environment, feeding management, prevention and control of epidemic diseases must comply with relevant state regulations and must not pollute the environment. Third, slaughtering and quarantine before slaughtering → waiting for slaughter → shower → hanging → slaughtering and bleeding → scalding → hair removal → cleaning → bristles → cleaning → quarantine after slaughter → grading → sputum second stage cooling acid removal → quick freezing → split → vacuum Packing→Packing→Refrigeration 4. Quality Features 1. Sensory index: skin thickness ≤ 2.0mm, fat thickness ≤ 4.0cm, muscles are shiny, the cut surface texture is clear, smooth, and the meat is delicious. 2. Safety and other quality technical requirements: Product safety and other quality technical requirements must comply with relevant national regulations.

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Producers within the production area of ​​Diebu Fen Ma Pork may submit an application for the use of the \"Special Mark for Geographical Indication Products\" to the Diebu Industrial and Commercial Quality Supervision Bureau of the Diebu County, which shall be reviewed by the Gansu Provincial Bureau of Quality and Technical Supervision and announced to the General Administration of Quality Supervision, Inspection and Quarantine for approval. . The detection mechanism of the sylvestris sylvestris was selected by the Gansu Provincial Bureau of Quality and Technical Supervision in a testing institution that meets the qualification requirements.