GB/T 21441-2018 English PDF

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GB/T 21441-2018: Bastard halibut
Status: Valid

GB/T 21441: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 21441-2018	199	Add to Cart	3 days	Bastard halibut	Valid
GB/T 21441-2008	319	Add to Cart	3 days	Olive flounder	Obsolete

Similar standards

SC/T 4030   GB 5009.261   GB/T 21442   GB/T 21438   

Basic data

Standard ID: GB/T 21441-2018 (GB/T21441-2018)
Description (Translated English): Bastard halibut
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: B51
Classification of International Standard: 65.150
Word Count Estimation: 10,193
Date of Issue: 2018-02-06
Date of Implementation: 2018-09-01
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 21441-2018: Bastard halibut

---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.
Bastard halibut ICS 65.150 B51 National Standards of People's Republic of China Replacing GB/T 21441-2008 Gums Published on.2018-02-06 2018-09-01 Implementation General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China China National Standardization Administration released

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard replaces GB/T 21441-2008 "Gum", compared with GB/T 21441-2008, the main changes are as follows. --- Complementing the 3.2 countable traits and the 3.3 quantifiable traits in GB/T 21441-2008 (see 4.2 and 4.3); --- In GB/T 21441-2008 4.1, the regression equation for the relationship between body length and weight has been added (see 5.1); --- Deleted Chapter 6 of the GB/T 21441-2008 biochemical genetic characteristics and the corresponding detection methods; --- Increased COI gene sequence fragment as a molecular genetic feature (see Chapter 7); --- Chromosomal detection method refers to the method of GB/T 18654.12 (see 8.4); --- Supplements the detection methods for external morphological characteristics, growth and reproduction characteristics, and molecular biological characteristics (see 8.2, 8.3, 8.5). Please note that some of the contents of this document may involve patents. The issuing agency of this document does not assume responsibility for identifying these patents. This standard was proposed by the Ministry of Agriculture of the People's This standard is under the jurisdiction of the National Aquatic Standardization Technical Committee Marine Technology Subcommittee (SAC/TC156/SC2). This standard was drafted by. Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Weihai Shenghang Aquatic Technology Co., Ltd., Weihai City Regional Ocean and Fisheries Research Institute. The main drafters of this standard. Zhang Yan, Song Zongcheng, Liu Ye, Yuan Yongdang, Gu Jiequan, Shi Kuntao, Zhang Tianshi, Liu Li, and Liu Qi. The previous versions of the standard replaced by this standard are. --- GB/T 21441-2008. Gums

1 Scope

This standard gives the gums (Paralichthysolivaceus Tmminck Characteristics, growth and reproduction characteristics, cytogenetic characteristics, molecular genetic characteristics, detection methods, and decision rules. This standard applies to the identification and detection of gingival germplasm.

2 Normative references

The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article Pieces. For undated references, the latest version (including all amendments) applies to this document. GB/T 18654.2 Inspection of germplasm quality of cultured fish - Part 2. Sampling method GB/T 18654.3 Test for germplasm quality of cultured fish - Part 3. Determination of traits GB/T 18654.4 Test for germplasm quality of cultured fish - Part 4. Determination of age and growth GB/T 18654.12 Test for germplasm quality of cultured fish - Part 12. Analysis of karyotype

3 Scientific Names and Categories

3.1 Scientific name Gum ParalichthysolivaceusTmminck 3.2 Classification location Actinopterygi, Pleuronectiformes, Paralichthyidae, Parali- Chthys).

4 Morphological characteristics

4.1 Form The body is oval in shape, flattened, with both eyes on the left side of the head; with small scales on the side of the eye, brown, yellowish brown or gray-yellow, usually with three Dark black spots, no white eye with round scales. The left and right sidelines are equally well developed and there are no upper branches. Tail shank is long and tall. There are two nostrils on the side of the eye About in front of the middle of the eye septum, there is a narrow flap at the posterior edge of the anterior nares; no ocular side two nostrils are close to the dorsal edge of the head, and the anterior nasal orifice is also narrow Long flaps. The mouth is large, the anterior position, and the jaw is slightly prominent; the mouth is oblique and symmetrical. The dorsal fin begins approximately at the anterior edge of the upper eye, the left and right pelvic fins are slightly symmetrical, and the posterior edge Double truncated; odd fins have dark stripes, pectoral fins with dark spots or horizontal stripes. Sharp teeth, cone-shaped, up and down each line, are equally developed; anterior teeth The teeth are large and canine teeth. The shape of the gums is shown in Figure 1. ......

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