During the World Cup in Russia in 2018, a group of crayfish from China attracted the attention of the majority of fans. Leveraging the World Cup, Yiyang "net red" crayfish into the country. On June 23, a group of crayfish from Nanxian arrived in Moscow smoothly, providing the “Yiyang Taste” of the fiery enthusiasm for the World Cup fans to watch the football feast.

"Take your hand and gently kiss it. Uncover the red hijab and let you eat enough." Now is the season of eating lobster, an image of eating lobster poetry, telling the agricultural situation of Nanxian in recent years. Nan County is located in the north of Hunan Province, governing 133 administrative villages, including 40 poverty-stricken villages. In the past two years, under the guidance and propaganda of the government, Nanxian County began the road of “rich rice shrimp farming”. Relying on the advantages of Huxiang, Nanxian has innovated a high-yield and high-efficiency model of “three shrimps and one rice”. The rice rhizome provides a moist habitat for crayfish, and the lobster excrement provides nutrients for rice. In 2017, the processing value of crayfish and rice shrimp exceeded 2 billion yuan. Nanxian crayfish was certified by the National Geographical Indications Product in August 2017 and became one of the three national landmark products in Nanxian County. Nan County has also established the country's first crayfish research and development center. It is planned that by 2020, the comprehensive output value of rice and shrimp in the county will exceed 10 billion yuan. Nanxian crayfish is transparent from the birth of crayfish to the whole process of packaging. It is stocked in rice fields. The growth environment is absolutely green and pollution-free. It is safe and fast-food. The most important taste is recognized by consumers all over the country. Crayfish is an indispensable dish on the summer table. It is not only its taste, but also a feeling. Nanxian County near Dongting Lake is a sacred place to eat crayfish. The crayfish restaurants are inseparable. They are constantly teasing your taste. Nanxian crayfish is caught in the Dongting Lake for the season. The quality is impeccable and full and round. Weifeng, the crayfish of the authentic Nanxian Hukou, has been cleaned and cleaned before it is packaged in a hollow package. It has been cooked with secret spices. The crawfish have been properly arranged for the first half of our life. Its final destination is our stomach. After work, buy crayfish, go home, open the package and pour the crayfish into the plate, put it in the microwave to heat it, go to the fridge and take the ice beer, then come to the appetizer, in a short time, open the beer cover and The microwave oven "叮" is sounding at the same time, not much more than just a good, so sweet, open the TV to watch the World Cup, the day's tiredness disappears, the fairy days are just that.

Nanxian crayfish quality technical requirements First, the variety of C. serrata. Second, the conditions of production 1. The pond culture water is fresh and pollution-free, the water source is sufficient, the water quality is excellent, the transparency is 30cm to 40cm, and the pH is 7.0 to 8.5. The bottom of the pond culture is clay. The water level in the deep water area is 1.2m to 1.5m. The water body is rich in benthic bait organisms. The shallow water area accounts for 1/3 to 2/3 of the total water surface. 2. The paddy field water depth is 0.3m. To 0.5m, dissolved oxygen ≥ 5mg / L, soft mud layer ≤ 20cm. Third, aquaculture technology 1. Shrimp seedling selection: produced in the natural waters such as the Yangtze River Basin and Dongting Lake waters, strong physical fitness, strong vitality, complete appendages, no disease and no injury. 2. Shrimp stocking: (1) Spring stocking. From the beginning of April to the beginning of May, juveniles with a body length of 2 cm to 4 cm are selected, and the stocking density is 200,000 to 300,000/ha. (2) Autumn stocking. From September to early October, stocking ranged from 300kg to 420kg/ha, with a male to female ratio of 2:1. It is also possible to directly dispense 45g to 59g of green shrimps that have been manually selected to hold eggs, and the dosage per hectare is ≤300kg. 3. Feeding management: (1) Lake stocking: mainly based on snails, scorpions, scorpions and other benthic animals and aquatic plants in water, 10% to 15% of animal feed, and 20% to 30% of grain foods. %; (2) Paddy field stocking: 30% of animal feed and 70% of grain food. (3) Feeding time: 7 to 9 am and 5 to 6 pm. 4. Water quality management: the water depth in spring is kept between 0.5 and 1 meter, and the water is changed once every 7 to 10 days; the water depth in summer is controlled at 1 to 1.5 meters, and the water is changed once every 2 to 3 days; 20% to 30% of the pool water. 5. Environmental and safety requirements: The stocking environment, prevention and control of epidemic diseases must implement relevant national regulations and must not pollute the environment. 4. Fishing 1. Time: from mid-April to early June, from early August to the end of September. 2. Specifications: Weight ≥ 50g, body length ≥ 10cm. V. Quality Features 1. Sensory characteristics: The living body is generally long, the male is long and the cheek is small. After ripening, the red color is bright, the redness and brightness (brightness) are high, the abdomen is round and lustrous, and the pollutant deposition is less. The palate is tender and tender, delicious and mellow. After cooking, the shell is bright red, the meat is white and tender, and the taste is rich. 2. Physical and chemical indicators: water ≤ 82%, crude protein content ≥ 14.2%, crude fat content ≤ 8%, total amino acid content ≥ 9.0%. 3. Safety and other quality technical requirements: Product safety indicators and other quality technical requirements must comply with the relevant regulations of the state for similar products.

Apply to：
Producers in the production area of ​​crayfish in Nanxian County may apply to the Nanxian Market and Quality Supervision Administration of Hunan Province for the application of the “Special Mark for Geographical Indication Products”, which is reviewed by the Hunan Provincial Bureau of Quality and Technical Supervision and reported to the General Administration of Quality Supervision, Inspection and Quarantine. Announced. The inspection mechanism of the crayfish in Nanxian County was selected by the Hunan Provincial Bureau of Quality and Technical Supervision in a testing institution that meets the qualification requirements.