GB/T 21443-2008Bay scallop (English PDF)
海湾扇贝
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
February 15, 2008
Implementation date
May 1, 2008
Scope
GB/T 21443-2008 is the English-translated version of 海湾扇贝.
GB/T 21443-2008 is the Chinese standard "Bay scallop". Its scope clause reads: Transmission characteristics and detection methods. This standard applies to bay scallops germplasm monitoring and identification. Its clauses include name and classification; main biological traits.
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Document preview — GB/T 21443-2008
National Standard of the People's Republic of China
- ICS
- 65.150
- Classification
- B 51
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- 1 Scope
- 2 Name and classification
- 2.1 Name
- 2.2 Classification Location
- 3 main biological traits
- 3.1 External morphology
1 Scope
Transmission characteristics and detection methods.
This standard applies to bay scallops germplasm monitoring and identification.
2 Name and classification
2.1 Name
2.2 Classification Location
Mollusca (Molusca), Lamellibranchia (Lamelibranchia), pearl mesh (Pterioida), fan Beca (Pectinidae), sea
3 main biological traits
3.1 External morphology
3.1.1 Outline
Fan-shaped shells, two shells almost equal, the right case is slightly higher, after the ear is greater than the front of the ear. Before the bottom of the ear have enough raw silk hole, no adult foot silk hinge phase
Even and straight, wide and high from the ribs, spine without ribs. Growth pattern is obvious. Shell surface with radial ribs 17 ~ 18, the shell leaving it dark brown, brown
Color, yellow or gray. High into the shell about 6cm.
External bay scallop shape shown in Figure 1.
1 bay scallops external morphology diagram
3.1.2 countable characters
Shell surface with radial ribs 17 ~ 18.
3.1.3 measurable character
For shell length 49.40mm ~ 68.70mm, weight 16.43g ~ 36.52g of 55 adult measured quantitative traits, statistical
Data are shown in Table 1.
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
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