What are the new aquatic products in 221? These 11 new varieties have passed the national examination and approval!

Although there are many aquatic products in China, some aquatic products in the Yangtze River basin are on the verge of extinction in recent years. Therefore, a number of new varieties have been selected. So, what are the new aquatic products in 221? It is understood that these 11 new varieties passed the national examination and approval!

1. What are the new aquatic products in 221?

(1) rainbow trout "Shuike No.1"

New aquatic product registration number: GS-1-1-221

Parent source: rainbow trout breeding population

Breeding unit: Heilongjiang Institute of Fishery, Chinese Academy of Fishery Sciences

Introduction: This variety was developed from 1959 to 1999. 5 individuals selected from the offspring population of rainbow trout introduced from Denmark and Norway were the original parents. In 24, self-crossing and reciprocal crossing families were established through complete diallel crossing to form the basic population for breeding. With the growth rate as the target character, the family breeding technology was adopted and it was bred for four consecutive generations. Under the same culture conditions, compared with the rainbow trout without breeding, the growth rate increased by 21.9% on average. It is suitable for cultivation in artificially controllable fresh water bodies in the main producing areas of rainbow trout in China.

(2) Hehua carp "Ruyuan No.1"?

Registration number of new aquatic products: GS-1-2-221

Parents' source: South China carp rice field breeding population (commonly known as Hehua carp) and Beijiang wild population in Pearl River system

Breeding units: Zhujiang Fisheries Research Institute of Chinese Academy of Fishery Sciences, Animal Husbandry and Veterinary Fisheries Affairs Center of Ruyuan Yao Autonomous County, Guangdong Fishery Technology Extension Station, Yifeng Agricultural Development Co., Ltd. of Ruyuan Yao Autonomous County, Brief introduction of Guangdong Liang's Aquatic Seed Industry Co., Ltd.

: This variety is based on 2 individuals collected and selected in 21 from the rice field breeding population of South China Carp in Ruyuan Yao Autonomous County, Guangdong Province and the wild population of South China Carp in Beijiang River in Pearl River system. With the growth speed and body shape as the target traits, it has been selected for five consecutive generations by population breeding technology. Under the same paddy field culture conditions, the growth rate of 1-month-old fish increased by an average of 29.26% compared with that of local common carp. The average body length/height and tail stalk length/tail stalk height decreased by 25.8% and 22.51%, respectively, and the body shape was short and round, and the jumping ability was weak. It is suitable for cultivation in artificially controllable paddy fields such as Guangdong, Guangxi, Guizhou and Hunan.

(3) "Guangqing No.1" of Siniperca chuatsi

Registration number of new aquatic products: GS-1-3-221

Parent source: the wild population of Siniperca chuatsi in Qiupu River and Dongting Lake in Anhui Province and the breeding population of "Huakang No.1" of Siniperca chuatsi <. Brief introduction of Qingyuan Qingxin Yushun Agriculture, Animal Husbandry and Fishery Science and Technology Service Co., Ltd.

: This species is based on 6 individuals selected from the wild population of Siniperca chuatsi collected from Qiupu River and Dongting Lake in Anhui Province in 213 and the breeding population of "Huakang No.1" protected by Qingyuan Qingxin Yushun Agriculture, Animal Husbandry and Fishery Science and Technology Service Co., Ltd., with the growth rate and survival rate as the target traits, and through family breeding technology for 4 consecutive years. Under the same culture conditions, compared with "Huakang No.1", the growth rate increased by 16.3% on average and the survival rate increased by 12.6% on average. It is suitable for breeding in artificially controllable fresh water bodies such as Guangdong, Hubei, Jiangsu and Anhui.

(4) Jianli No.2

New aquatic product registration number: GS-1-4-221

Parent source: Jianli breeding group

Breeding unit: Freshwater Fisheries Research Center of Chinese Academy of Fishery Sciences, Introduction of Shenzhen Huada Ocean Science and Technology Co., Ltd.

: This variety is based on 4, individuals selected in 29 from the offspring population of Jian carp preserved in Yixing Qiting Experimental Base, Freshwater Fisheries Research Center of Chinese Academy of Fishery Sciences. With the growth rate as the target character, it was selected by population breeding and molecular marker-assisted breeding technology for four consecutive generations. Under the same culture conditions, compared with Jian carp, the growth rate of 12-month-old fish increased by 17.7% on average. The average body length/height is 3.11, which keeps the long body shape of Jian carp. It is suitable for breeding in artificially controllable water bodies in the main producing areas of Jian carp culture in China.

(5) Cynoglossus semilaevis "Kunyou No.1"

New aquatic product registration number: GS-1-5-221

Parent source: Cynoglossus semilaevis cultured population and wild population

Breeding unit: Huanghai Fisheries Research Institute of Chinese Academy of Fishery Sciences and Huanghai Fisheries Research Institute of Haiyang City. Brief introduction of Tianjin Fisheries Research Institute

: This variety is based on 15 cultured Cynoglossus semilaevis collected from Laizhou, Haiyang and Changyi, Shandong Province from 24 to 21 and 2 wild Cynoglossus semilaevis collected from Bohai Bay. With weight and disease resistance as the target traits, it was selected by family selection and genome-wide selection technology for four consecutive generations. Under the same culture conditions, compared with Cynoglossus semilaevis, the anti-Vibrio harveyi ability of Cynoglossus semilaevis increased by 3.9% on average, the weight of 18-month-old fish increased by 17.7% on average, and the culture survival rate increased by 15.7% on average, so it is suitable for culture in artificially controllable seawater bodies in coastal areas such as Hebei, Shandong and Tianjin.

(6) Hyriopsis cumingii "Shenzhe No.3"

New aquatic product registration number: GS-1-6-221

Parent source: Hyriopsis cumingii Poyang Lake and Dongting Lake wild population

Breeding units: Shanghai Ocean University, Jinhua Zhexing Pearl Trading Co., Ltd., Brief introduction of Wuyi Weimin Aquaculture Co., Ltd.

: This variety is based on 45 individuals and 35 individuals collected and selected from the wild populations of Hyriopsis cumingii in Poyang Lake and Dongting Lake in 21-22, with body weight and shell width as the target traits, and it has been selected for four consecutive generations by population breeding technology. Under the same culture conditions, compared with the uncultivated Hyriopsis cumingii, the weight of the 4th instar mussel increased by 16.2% on average, the shell width increased by 1.3% on average, the proportion of seedless pearls over 8mm increased by 2.5% on average, and the proportion of nucleated pearls over 1mm increased by 23.% on average. It is suitable for cultivation in artificially controllable water bodies in the main producing areas of freshwater pearl cultivation in China.

(7) Ruditapes philippinarum "Zebra Clam No.2"

New aquatic product registration number: GS-1-7-221

Parent source: Ruditapes philippinarum wild population in Dalian, Liaoning

Breeding unit: Dalian Ocean University, Institute of Oceanography, China Academy of Sciences

Introduction: This species was introduced from Shihe Philippines, Dalian, Liaoning in 211. Shells have a dark gray background and zebra patterns. Under the same culture conditions, compared with Ruditapes philippinarum, the 12-month-old shell length increased by 1.6% and the total wet weight increased by 19.5%. Compared with the Philippine clam "zebra clam", there is no significant difference in growth rate, and the survival rate in the northern beach and shallow sea is high. It is suitable for aquaculture in coastal artificially controllable seawater bodies such as Liaoning, Shandong and Jiangsu.

(8) "Xunshan No.1" of Haliotis discus hannai

Registration number of new aquatic product: GS-1-8-221

Parent source: Shandong Rongcheng wild group of Haliotis discus hannai

Breeding unit: Weihai Changqing Marine Science and Technology Co., Ltd., Zhejiang Ocean University, China Ocean University

Introduction: This variety was introduced in 1999. Under the same culture environment and the northern anniversary culture conditions, the shell length of 18-month-old abalone increased by 18.7% on average compared with that of ordinary cultured abalone of the same age. It is suitable for aquaculture in artificially controllable seawater bodies along the coast of Shandong and Liaoning.

(9) Meretrix meretrix "Kezhe No.2"

Registration number of new aquatic product: GS-2-1-221

Parent source: Meretrix meretrix purple shell color breeding population (A)♀× Meretrix meretrix breeding population (Bg)♂

. Introduction of Zhejiang Institute of Marine Aquaculture

: Since 26, the random mating populations of wild Meretrix meretrix collected in Dongying, Shandong Province and Nantong, Jiangsu Province have been artificially infected with Vibrio parahaemolyticus and assisted by molecular markers, and the purple shell color population (A), the fast-growing population (Bg) and the hybrid shell color population (BF) against Vibrio parahaemolyticus have been selected for four consecutive generations. Through the analysis of the combining ability of the above three breeding populations, the hybrid combination of the purple shell color breeding population (A) resistant to Vibrio parahaemolyticus as the female parent and the breeding population (Bg) resistant to Vibrio parahaemolyticus and growing fast as the male parent was screened out, and the F1 obtained by hybridization was the Meretrix meretrix "Kezhe No.2". Under the same culture conditions, compared with the uncultivated Meretrix meretrix, the anti-Vibrio parahaemolyticus ability, the culture survival rate and the yield of this variety increased by 44.2%, 28.2% and 25.6% respectively. It is suitable for breeding in ponds and beaches in Zhejiang, Shandong and other coastal areas.

(1) kelp "Zhongbao No.1"

Registration number of new aquatic product: GS-2-2-221

Parent source: (Korean wild kelp ♀× Rongcheng cultivated kelp ♂) ♀× Rongcheng cultivated kelp inbred line ♂

Breeding. Brief introduction of Dalian Haibao Fishery Co., Ltd.

: This variety is a female gametophyte cell line selected from the progeny of a kelp individual collected from Rongcheng, Shandong Province in 28 and obtained through five generations of self-cultivation, and the female gametophyte cell line selected from the progeny of the hybrid combination of Korean wild kelp female gametophyte cell line (♀) and Shandong Rongcheng cultivated kelp population in 211. It has the characteristics of late maturity, and the main part of cultivated kelp does not form sporangium during April-August. Under the same cultivation conditions in the northern region, compared with ordinary cultured kelp, the yield in the middle and late July increased by 63.9% on average; The processing yield of scalded vegetables is improved by more than 1%. It is suitable for cultivation in coastal artificially controllable seawater bodies such as Liaoning and Shandong.

(11) All-female Siniperca chuatsi "Dinggu No.1"

Registration number of new aquatic products: GS-4-1-221.