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GB 21045-2007: [GB/T 21045-2007] Largemouth bass
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[GB/T 21045-2007] Largemouth bass
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GB 21045-2007
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Basic data | Standard ID | GB 21045-2007 (GB21045-2007) | | Description (Translated English) | [GB/T 21045-2007] Largemouth bass | | Sector / Industry | National Standard | | Classification of Chinese Standard | B52 | | Classification of International Standard | 65.150 | | Word Count Estimation | 7,767 | | Date of Issue | 2007-06-26 | | Date of Implementation | 2007-10-01 | | Quoted Standard | GB/T 18654.1; GB/T 18654.2; GB/T 18654.3; GB/T 18654.12; SC 2055 | | Regulation (derived from) | Chinese National Standards Bulletin 2007 No. 7 (No. 107 overall) | | Issuing agency(ies) | General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China | | Summary | This Chinese standard relates to Largemouth bass provides the main form of structural characteristics, growth and reproduction, genetic characteristics and detection methods. For largemouth bass germplasm detection and identification. | GB 21045-2007: [GB/T 21045-2007] Largemouth bass---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Largemouth bass
ICS 65.150
B52
National Standards of People's Republic of China
Largemouth bass
Posted 2007-06-26
2007-10-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Foreword
Chapter 4 of this standard are mandatory, the rest are recommended.
The standard proposed by the People's Republic of China Ministry of Agriculture.
This standard by the National Standardization Technical Committee on Fisheries freshwater aquaculture subcommittee.
This standard was drafted. Chinese Academy of Fishery Sciences Pearl River Fisheries Research Institute.
The main drafters of this standard. Luojian Ren, Zheng Guangming, Zhu Xinping, Liu Yihui, leaf star.
Largemouth bass
1 Scope
Genetic characteristics and detection methods.
This standard applies to largemouth bass germplasm detection and identification.
2 Normative references
The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent
Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research
Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard.
GB/T 18654.1 Inspection of germplasm for cultured fishes - Part 1. Inspection Rules
GB/T 18654.2 Inspection of germplasm for cultured fishes - Part 2. Sampling Method
GB/T 18654.3 Inspection of germplasm for cultured fishes - Part 3. Determination of Characters
GB/T 18654.12 Inspection of germplasm for cultured fishes - Part 12. karyotyping
SC2055 vannamei
3 Name and Category
3.1 Name
3.2 Alias
California perch.
3.3 Classification Location
4 main morphological structure characteristics
4.1 External morphology
4.1.1 Outline
Body fusiform, side flat, back thicker. Gape large, oblique fissure, retractable jaw, maxilla extending posteriorly to the eye. Snout to the base of the caudal fin row
Lash strip-shaped spots. Gill cover has a radial spots 3. Between dorsal fin spines and soft fin portion has a small notch; lateral line complete, along the body
Central dorsal side and parallel to the rear end of a few stretching over the tail fin. The first outer gill arch gill rakers developed, shaped like a crescent-shaped, in addition to the back of the gill rakers, the other three
Surfaces are covered with down jagged bone protrusion of the fifth gill arch bone degenerate into a short rod, no gill and gill rakers. Ctenoid body is small. Back to green
Olive, yellow-belly white. Shallow concave caudal fin.
Largemouth bass shape shown in Figure 1.
Figure 1 largemouth bass outline drawing
4.1.2 Number of Characters
4.1.2.1 Fin
Dorsal fin. D. Ⅷ ~ Ⅹ, Ⅰ-11 ~ 14.
Anal fin. A. Ⅲ-9 ~ 12.
4.1.2.2 lateral line scales
Scale formula. 55 7 ~ 914 ~ 17-A77
4.1.2.3 gill rakers
The outside left of the first gill arch gill rakers. 6-7.
4.1.3 measurable character
Artificial breeding conditions for the lower body length 223mm ~ 298mm, weight 305.2g ~ 662.8g individuals were found, which may be more than the amount of characters
Values in Table 1.
Table 1 Measured measurable character ratio
Length/body height length/head length body length/caudal peduncle length body length/long tail height head/snout length head length/eye diameter head length/eye spacing caudal peduncle length/tail height
2.878 ~ ~ 3.4843.983 3.7172.879 9.9286.012 ~ ~ ~ 14.1032.975 ~ 5.4944.866 4.5701.063 6.7131.548 ~ ~ 2.348
4.2 Internal structural features
4.2.1 swim bladder
A swim bladder chamber. Long cylindrical.
4.2.2 teeth
Tapered serrations, sharper.
4.2.3 vertebrae
Total spine. 30 to 32.
4.2.4 peritoneum
Peritoneal white.
5 growth and reproduction
5.1 Growth
Artificial breeding conditions for the lower body length 106mm ~ 298mm, weight 24.2g ~ 662.8g individuals were measured, and its length and weight
Table 2.
Table 2 Found body length and weight
Length/mm
Range 106 ~ 147 223 ~ 278 264 ~ 298
Mean 127 ± 10.5 252 ± 15.2 276 ± 8.9
Weight/g
The range of 24.2 - 66.9 305.2 662.8 ~ ~ 473 460
Mean 44.8 ± 10.5 398.3 ± 46.7 515.1 ± 48.5
5.2 Reproduction
5.2.1 The age of sexual maturity
Artificial breeding conditions, females, males are 1+ age.
5.2.2 spawner
Producing sticky eggs mature once a year, spawning a batch.
5.2.3 fecundity
Absolute fecundity natural state. 4 × 104 Li ~ 10 × 104 tablets. Under conditions of artificial breeding broodstock individual fecundity in Table 3.
Table fecundity broodstock individuals under artificial breeding condition 3
Length/mm 223 ~ 298
Absolute fecundity/grain 51094 ± 18768
Relative fecundity/(grains/g) 123 ± 29
6 genetic characteristics
Genetic characteristics 6.1 Cell
Somatic chromosome number. 2 = 46 shape. Karyotype formula. 2m + 2st + 42t. Chromosome arm number (NF). 48. Largemouth bass karyotype
See Figure 2.
Figure 2 largemouth bass karyotype
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