T/NBSC 001-2023 Active Group standards

T/NBSC 001-2023 Geographical Indication Products - Chang Street Clams

T/NBSC 001-2023

Publish Date: 2023-04-07 Implement Date: 2023-04-30 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: T/NBSC 001-2023

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: -

ICS Name: Fishing and aquaculture

Publish Date: 2023-04-07

Implement Date: 2023-04-30

Scope

Scope: This document specifies the terms and definitions of the geographical indication product, Changjie Zizhi (razor clam), the protection scope of the geographical indication product, requirements, testing methods, inspection rules, and requirements for marking, packaging, transportation, and storage. This standard applies to the geographical indication product, Changjie Zizhi, approved by the former Ministry of Agriculture of China in Announcement No. 1813. The protection scope is specified in Appendix A. Main technical content: 4. Protection scope of the geographical indication product The protection scope of the geographical indication product, Changjie Zizhi, is specified in Appendix A, specifically covering an area with longitude of 121°38′18.40″~121°45′59.98″ and latitude of 29°6′58.15″~29°13′10.12″. 5. Requirements 5.1 Production environment 5.1.1 Water source for aquaculture should have a smooth current, slow water flow, and minimal impact from storms. The water quality should meet the requirements of GB 11607. The water temperature should be between 8°C and 33°C, with a salinity of 8~33, and a pH value of 7.8~8.6. Natural bait should be abundant, with diatoms as the dominant species of phytoplankton. 5.1.2 Substrate The substrate should be smooth, preferably clay or silty clay, and meet the requirements of GB/T 18407.4 section 3.3. 5.2 Cultivation 5.2.1 Seedlings should be selected from high-quality seedlings within the protection scope of the geographical indication product. The specifications should be 4,000–6,000 seeds/kg, with uniform size, clean shells, no damage, and strong vitality. 5.2.2 Management during cultivation should comply with the requirements of DB33/T504.1. 5.2.3 Harvesting should only occur when the shell size reaches less than 80 shells/kg and is suitable for market sale. 5.3 Quality 5.3.1 Sensory characteristics: Light yellow shell color, yellow-green shell, quick response, strong shell closure, and str