This standard specifies the source, external morphology, suitable breeding age and minimum weight allowed for breeding of longnose catfish (Leiocassis longirostris Günther). This standard applies to broodstock for artificial breeding of longnose catfish. SC/T 1060-2002 Technical Specification for Breeding of Longnose Catfish BroodstockSC/T1060-2002 Standard download decompression password: www.bzxz.net

ICS67.120.30
Aquatic Industry Standard of the People's Republic of China
SC/T10602002
Technical specifications for long-snout catfish culture Parent fish2002-11-05 Issued
Implementation on 2002-12-20
Issued by the Ministry of Agriculture of the People's Republic of China
This standard was proposed by the Fisheries Bureau of the Ministry of Agriculture
This standard is under the jurisdiction of the Freshwater Aquaculture Sub-Technical Committee of the National Technical Committee for Aquatic Standardization, and the drafting units of this standard are: Sichuan Fisheries Research Institute and Sichuan Fisheries Bureau. The main drafters of this standard are Guan Mingsen, Li Lianman, Deng Xiaochuan, Zizhong, Chen Xianjun, Long Zhihai, SC/T1060—2002
1 Scope
Technical specification for breeding of longnose abalone
SC/T1060-2002
This standard specifies the source, external morphology, suitable breeding age and minimum weight allowed for breeding of broodstock of longnose abalone (Letocassis langirastris Gurither).
This standard applies to broodstock for artificial breeding of longnose abalone...2 Normative references
The clauses in the following documents become clauses of this standard through reference in this standard. For dated references, all subsequent amendments (excluding erroneous incorporation) or revisions are not applicable to this standard. However, parties that reach an agreement based on this standard are encouraged to study whether the latest versions of these documents can be used. For undated references, the latest versions shall apply to this standard. SC1040-2000 Longnose cod
3 Source
3.1 The adult fish collected from rivers, reservoirs, tides and other natural waters that have not been artificially stocked with longnose cod are cultivated into broodstock. 3.2 Natural seedlings or offspring of excellent broodstock that meet the requirements of SC1040-9000, and the parent blood that has been specially cultivated. 3.3 It is strictly forbidden to keep the offspring of inbreeding as Beijing fish. 4 External morphology
The external morphology meets the requirements of SC1040-2000. 3
Reproduction age and weight
The suitable age of broodstock for breeding and the minimum weight allowed for breeding are shown in Table 1. Table 1 Age and weight allowed for breeding
Broodstock type
(early)
The age is mainly identified based on the number of wheels on the pectoral fins. Suitable age
Minimum weight allowed for breeding/kg
SC/T 1060-2002
Aquatic Products
Industry Standard of the People's Republic of China
Technical Specification for Breeding Longnose Grass Carp
SC/T 1050-2002
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