Scallop, named after its fan-shaped shell, is a precious marine bivalve. It has a very large closed shell muscle, so scallop is also called dry revolutionary scallop. Scallops like to live in shallow water with light and fast current, and they are fixed on rocks or sand on the seabed with enough silk. Shells are thin and hard, with many radial ribs on them, showing bright colors such as red, yellow, purple and moonlight, which are excellent raw materials for shell carving crafts.
Scallops produced in Weihai are mainly comb-hole fans. Its meat is tender, delicious and nutritious, and its protein content is over 60%, which is four times higher than that of eggs. From 65438 to 0985, Weihai began to cultivate scallops on a large scale, and introduced American Gulf scallops. Now it has become the largest scallop breeding base in China.
Weihai scallop
territorial scope
Scallops in Weihai are mainly distributed in three coastal areas in the north, east and south within the administrative area of Weihai City, Shandong Province, with a geographical range of 36 56 ′-37 33 ′ north latitude and 65 438+0 53 ′-65 438+022 37 ′ east longitude. The protected area is 65,000 mu, and the annual output of fresh products is 6.5438+0.7 million tons.
Product quality characteristics
1, external sensory characteristics: the shell is fan-shaped, the surface is light brown, the interval is reddish brown, the radiation edge is clear and prickly; There are comb holes on the ventral surface of the front ear. Adult shells are generally 6-8cm high. The inner surface is as smooth as pearls; Dioecious, bright orange ovary, milky white testis; The adductor muscle is cylindrical. 2. Internal quality indicators: delicious, tender, elastic, nutritious, rich in protein and minerals. According to the analysis of fresh products, the edible part of Weihai scallop contains protein ≥9.00g/ 100g, fat ≤1.00g100g, calcium ≥450mg/kg and zinc ≥40mg/kg. 3. Quality and safety regulations: The production and operation shall be carried out in strict accordance with the production environment and technical requirements of seedling cultivation mentioned in the above-mentioned "three specific production methods", and the Food Safety Law of People's Republic of China (PRC), the Law on Quality and Safety of Agricultural Products of People's Republic of China (PRC), GB 18406.4 Safety Requirements for Agricultural Products and Pollution-free Aquatic Products and NY5073 shall be strictly implemented. According to the requirements of the above standards, formulate quality management rules, strengthen and improve the quality management system, and ensure the quality and safety of Weihai scallops.