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Standards GB are Chinese national standards, which are issued by China's Standardization Administration Office (SAC).
Chinese national standards are used all over China commonly labeled as GB standards. They determine the united production requirements regarding product safety and quality .
GB standards are often modified or created according to the international standards of ISO, IEC or any other international level.
Although, they are largely harmonized, GB standards may differ from international standards .
Approximately 15% of all GB standards are obligatory and they can be identified according to the prefix GB, after which the code of the standards follows:
GB – Obligatory national standards
GB/T – Optional national standards
GB/Z – National steering technical document
Inspection of germplasm for fishes—Part 2: Sampling method
Standard published on 27.2.2026
Selected format:Inspection of germplasm for cultured fishes - Part 3: Measurement of characters
Standard published on 31.7.2008
Selected format:Inspection of germplasm for fishes—Part 3: Measurement of characters
Standard published on 27.2.2026
Selected format:Inspection of germplasm for cultured fishes - Part 4: Determination of age and growth
Standard published on 1.8.2008
Selected format:Inspection of germplasm for fishes—Part 4Determination of age and growth
Standard published on 27.2.2026
Selected format:Inspection of germplasm for cultured fishes - Part 5: Analysis of feeding habits
Standard published on 1.8.2008
Selected format:Inspection of germplasm for fishes—Part 5Test method of feeding habits
Standard published on 27.2.2026
Selected format:Inspection of germplasm for cultured fishes - Part 6: Determination of fecundity
Standard published on 1.8.2008
Selected format:Inspection of germplasm for fishes—Part 6Determination of fecundity
Standard published on 27.2.2026
Selected format:Inspection of germplasm for cultured fishes - Part 7: Analysis of ecological characteristics
Standard published on 1.8.2008
Selected format:Latest update: 2026-09-11 (Number of items: 2 300 165)
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