Dongliao black pig is the domestication and captivity evolution of Changbai Mountain wild boar. In addition, the northeast summer sunshine time is long, the temperature difference is high throughout the year and the black pig growth cycle, etc., the black pork texture is fine and the meat is excellent.

Technical requirements for quality of Dongliao black pigs 1. Sources of local breed black pigs. Second, the conditions of production conditions between 214 meters to 914 meters above sea level hilly, forest grassland as a stocking place, streams and springs rich in water resources. Third, feeding management (a) feeding methods: feeding and grazing, in the warm season grazing more than 12 hours a day, outside the cold season more than 8 hours of exercise. (2) Feed: During the grazing period, natural forage grass, nuts, etc. are taken; during the feeding period, local corn, sorghum, rice bran, grass powder, etc. are used as the main raw materials. (3) Out of the line: 300 to 360 days of age and 100 to 150 kg of body weight. (IV) Environmental and safety requirements: The breeding environment and the prevention and control of epidemic diseases must implement relevant state regulations and must not pollute the environment. 4. Slaughtering and processing (1) Pig source: healthy pigs that meet the standards within the scope of production. (II) Key Processes Retreat to be slaughtered: Dongliao black pigs to be slaughtered should be stopped for 24 hours before slaughter and stopped for 3 hours before slaughter. The body is acid-discharged: acid is discharged for 24 hours under ambient conditions of 0 to 4 ° C and a relative humidity of 90% or less. It is always in the range of 0 °C to 4 °C during subsequent splitting, gas sealing, packing, distribution and sales. V. Quality characteristics (1) Sensory indicators. 1. Living pig: The whole body is black, the body is strong, the forehead is short, the ears are drooping, and the lean rate is high. 2. Pork: There are marble stripes, which are high in water, firm in flesh and fat but not greasy. (B) Physical and chemical indicators: intermuscular fat ≥ 5%. (3) Safety and other quality technical requirements: Product safety and other quality technical requirements must comply with relevant national regulations.

Apply to：
Producers within the scope of the production of Dongliao black pigs may apply to the Quality and Technical Supervision Bureau of Dongliao County of Jilin Province for the use of the “Special Mark for Geographical Indication Products”, which shall be reviewed by the Jilin Provincial Bureau of Quality and Technical Supervision and submitted to the General Administration of Quality Supervision, Inspection and Quarantine for approval. announcement.