Yangcheng Lake hairy crabs have acquisition standards and listing standards. Yangcheng Lake hairy crabs have strict standards for their acquisition and listing. The first is the specification standard: male crabs ≥200g in size, female crabs ≥150g are special crabs, male crabs ≥150g, female crabs ≥125g are first-class crabs: male crabs ≥125g, and female crabs ≥100g are secondary crabs. . Those who are below 100g cannot be called Yangcheng Lake hairy crabs, and Yangcheng Lake hairy crabs should not be used for special names and special signs. Second, physical and chemical standards: (1), fullness: male crab ≥ 0.57g/cm3, female crab ≥ 0.46g/cm3; (2), gonads account for body weight ratio: male crab ≥ 2.0%, female crab ≥ 8.0%; (3) Water: male crab ≤ 74.05, female crab ≤ 63.0%; (4), crude fat: male crab ≥ 7.0%, female crab ≥ 9.0%; (5), crude protein: male crab ≥ 14.0%, Female crabs ≥15.0%. Third, the appearance and vitality standards: Yangcheng Lake hairy crabs body color blue, gray, green black, blue and other intrinsic color; abdomen was white, milky and other inherent color; back shell hard, smooth, head breastplate uplift; a pair of chelipedon presented Clamp-like, palmyote dense yellow or brown fluff, four pairs of step foot front and rear edges have long golden hair; silk silk is clear, milky white, no foreign body, no smell, no parasites attached; crab body activity is quick, lively and powerful.
The above standards, in addition to physical and chemical standards, shall be checked by the relevant inspection and quarantine departments in the 8, 9, and 10 months of each year, and the products of the relevant aquaculture enterprises and farmers shall be sampled in a timely manner. The other two standards require the relevant enterprises to acquire Before going public, you should carefully select and strictly control each crab.
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