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On September 29, the Yellow Sea Fisheries Research Institute of the Chinese Academy of Fishery Sciences invited relevant experts to conduct on-site acceptance
of the low-temperature resistant strain culture and breeding results of P.
chinensis "Yellow Sea No.
6" in Huida Aquaculture Co.
, Ltd.
, Caofeidian District, Tangshan City, Hebei Province.
The acceptance expert group is composed of experts from
Hebei Fishery Technology Extension Station, Tangshan Fishery Technology Extension Station, and Tangshan Caofeidian District Agricultural Technology Extension Station.
of the low-temperature resistant strain culture and breeding results of P.
chinensis "Yellow Sea No.
6" in Huida Aquaculture Co.
, Ltd.
, Caofeidian District, Tangshan City, Hebei Province.
The acceptance expert group is composed of experts from
Hebei Fishery Technology Extension Station, Tangshan Fishery Technology Extension Station, and Tangshan Caofeidian District Agricultural Technology Extension Station.
The expert group reviewed the production and sales records of P.
chinensis "Yellow Sea No.
6" on site, verified the number of seedlings, used random sampling method to weigh and measure the strains of P.
chinaeus "Yellow Sea No.
6" and the shrimp in the control commercial seed pond by random sampling method, calculated the survival rate and mu yield of P.
shrimp, counted the number of broodstock in the shrimp cultivation pond of P.
shrimp "Yellow Sea No.
6", and visually observed the health status
.
chinensis "Yellow Sea No.
6" on site, verified the number of seedlings, used random sampling method to weigh and measure the strains of P.
chinaeus "Yellow Sea No.
6" and the shrimp in the control commercial seed pond by random sampling method, calculated the survival rate and mu yield of P.
shrimp, counted the number of broodstock in the shrimp cultivation pond of P.
shrimp "Yellow Sea No.
6", and visually observed the health status
.
After on-site inspection, measurement and review of production and sales records, Huida Aquaculture Co.
, Ltd.
, Caofeidian District, Tangshan City, Hebei Province, bred a total of 21 million larvae and 15 million seedlings of Chinese prawns "Yellow Sea No.
6" in 2022; 20,600 broodstock existing in the expanded broodstock breeding pond, with an average weight of 48.
5g, normal body color, full stomach, healthy and vigorous; the demonstration culture area of Chinese prawns "Yellow Sea No.
6" is 45 mu, the seedling release time is April 8, and the seedling release density is 4500 / mu.
Using the shrimp and crab polyculture mode, 50 shrimps were randomly measured on site, the average harvest weight was 47.
84g/tail, the survival rate of culture was 61.
68%, and the mu yield was 132.
79kg
.
After measurement and comparison, compared with commercial seedlings, Chinese shrimp "Yellow Sea No.
6" can be released 10 days earlier, the survival rate of aquaculture is increased by 10.
43%, and the average mu yield is increased by 29.
55%.
, Ltd.
, Caofeidian District, Tangshan City, Hebei Province, bred a total of 21 million larvae and 15 million seedlings of Chinese prawns "Yellow Sea No.
6" in 2022; 20,600 broodstock existing in the expanded broodstock breeding pond, with an average weight of 48.
5g, normal body color, full stomach, healthy and vigorous; the demonstration culture area of Chinese prawns "Yellow Sea No.
6" is 45 mu, the seedling release time is April 8, and the seedling release density is 4500 / mu.
Using the shrimp and crab polyculture mode, 50 shrimps were randomly measured on site, the average harvest weight was 47.
84g/tail, the survival rate of culture was 61.
68%, and the mu yield was 132.
79kg
.
After measurement and comparison, compared with commercial seedlings, Chinese shrimp "Yellow Sea No.
6" can be released 10 days earlier, the survival rate of aquaculture is increased by 10.
43%, and the average mu yield is increased by 29.
55%.
The "Yellow Sea No.
6" strain of Chinese shrimp is a multi-trait compound breeding innovation team of the Yellow Sea Fisheries Research Institute on the basis of the excellent traits of the new varieties of "Huanghai No.
2" and "Huanghai No.
5", and further integrates the excellent strains obtained by low-temperature resistant traits, and has been selected to the 8th generation
。 The new strain can overcome the limitation of natural temperature, the seedling release time can be advanced by an average of 10 days, the harvest time can be extended by one month, and the early seedling release and late harvest have been realized, and the shrimp culture cycle and commercial shrimp specifications in China have been further improved, and have been demonstrated and promoted in Caofeidian District, the main culture area of Hebei Province and Dandong City, Liaoning Province, etc.
, producing good economic, social and ecological benefits
.
6" strain of Chinese shrimp is a multi-trait compound breeding innovation team of the Yellow Sea Fisheries Research Institute on the basis of the excellent traits of the new varieties of "Huanghai No.
2" and "Huanghai No.
5", and further integrates the excellent strains obtained by low-temperature resistant traits, and has been selected to the 8th generation
。 The new strain can overcome the limitation of natural temperature, the seedling release time can be advanced by an average of 10 days, the harvest time can be extended by one month, and the early seedling release and late harvest have been realized, and the shrimp culture cycle and commercial shrimp specifications in China have been further improved, and have been demonstrated and promoted in Caofeidian District, the main culture area of Hebei Province and Dandong City, Liaoning Province, etc.
, producing good economic, social and ecological benefits
.
