Formerly known as "Luohe Big Chicken" and "Matang Black Chicken", Langshan Chicken was named "Wolf Mountain Chicken" because it was introduced to the UK near Nantong Langshan Mountain. Therefore, there is still a good story. It is said that in 1872, a British merchant ship was moored near the Langshan Mountain in Nantong. At noon, the shore floated from time to time. The cooks inquired about it and learned that it was a dish made by the farmer’s black chicken. Some. After cooking, the soup is clear, the meat is fine, the salty and delicious, the captain is the best, and the rest are taken back. Because I forgot to ask what I asked, I only know that I bought it from near the Langshan Mountain in Nantong, China. It is called "Wolf Mountain Chicken".

Wolf Mountain Chicken Quality Technical Requirements (1) Variety. Pure black local breed chicken that breeds within the scope of protection. (2) Site selection requirements for farms. The breeding grounds require high dryness, shelter from the wind and sun, sufficient water supply, quiet environment, and at least 3km away from villages, main roads and other farming areas. (3) Source of chicks. Within the scope of protection, the chickens that have been bred in the breeding farms of the “Plant Production and Management License” and the “Animal Anti-epidemic Certificate” are legally obtained. (4) Feeding management. 1. Feeding methods: 0 to 6 weeks old, brooding on the net; 7 weeks old to the market, the ground level. 2. Feeding density: 0 to 3 weeks old, 25 to 35 feathers/m2; 4 to 6 weeks old, 20 to 25 feathers/m2; 7 to 10 weeks old, 15 to 20 feathers/m2; 10 weeks of age or older, 10 To 15 feathers/m2. 3. Temperature, humidity and lighting requirements: (1) Temperature: 0 to 1 week old 32 ° C to 34 ° C; 2 weeks old 30 ° C to 31 ° C, after the weekly drop of 2 ° C, to 20 ° C It gradually warmed down. (2) Humidity: Indoor relative humidity is 65% to 70% within 0 to 3 weeks of age; 55% to 65% after 4 weeks of age. (3) Illumination: 24 hours per day for 2 days, 23 hours per day for 3 to 7 days, and 2 hours per day for natural light. 4. Drinking water: The chicks should be supplied with cold boiled water within 1 week. Add 5% glucose and other nutrient solution in the first 2 days of drinking water to maintain sufficient and clean drinking water to ensure a kettle every 40 to 60 feathers. 5. Feed requirements: The use of feed ingredients, processing and additives should be in accordance with the provisions of Chapter 4 of NY 5037-2001. The recommended amount of nutritional needs is shown in Table 1. Table 1 Nutritional requirements recommended amount of age metabolizable energy MJ/Kg crude protein% calcium% phosphorus% salt lysine% methionine%0-612 - 12.5191.00.650.31.00.97-1012-12.517-180.90.60.30.90.811- 1712.5-13160.90.60.30.80.76. Time to market: 16 to 17 weeks of age. Male and female body weights of wolf pheasant at different stages: birth weight ≥ 30g; 14 days ≥ 108g; 42-day-old cock ≥ 520g, hen ≥ 470g; 119-day-old cock ≥ 1950g, hen ≥ 1500g. 7. Environmental and safety requirements: The prevention and control of the breeding environment and epidemic diseases must comply with relevant national regulations and must not pollute the environment. (5) Quality characteristics. 1. Sensory characteristics: The commercial chicken of Langshan chicken is used in accordance with the characteristics of the local wolf pheasant in Rudong County and the age of the market. After slaughter, the carcass is white, the skin color and bone color are white, and the skin is fine and black. 2. Physical and chemical indicators: (1) Market weight: 1.9 kg to 2.1 kg for cocks and 1.4 kg to 1.6 kg for hens. (2) Rooster: muscle system water strength 70% to 78%, meat color (OD value) ≥ 0.25, pH value 5.2 to 5.8, muscle tenderness ≥ 3.5kg, fat content ≥ 1.2%, protein content ≥ 23%. (3) Hens: 68% to 73% of water, meat color (OD value) ≥ 0.28, pH 5.2 to 5.8, muscle tenderness ≥ 3.0 kg, fat content ≥ 2.8%, protein content ≥ 22%. 3. Safety requirements: Product safety indicators must meet the relevant regulations of the state for similar products.

Apply to：
Producers within the scope of protection of Langshan chicken geographical indication products may apply to the Rudong County Quality and Technical Supervision Bureau for the use of the \"Special Mark for Geographical Indication Products\", which is reviewed by the Jiangsu Provincial Bureau of Quality and Technical Supervision and approved by the General Administration of Quality Supervision, Inspection and Quarantine. Announcement approval. The statutory testing agency for Langshan Chicken is designated by the Jiangsu Provincial Bureau of Quality and Technical Supervision.