Beijing News (trainee reporter Chen Lu) On the afternoon of August 3, the Ministry of Agriculture and Rural Affairs announced the promotion of 11 new varieties of aquatic products, which were declared last year, and were approved by the National Aquatic Origin and Fine Seed Approval Committee, and 11 new varieties met the requirements of the technical specifications for approval.
The 11 new varieties announced and promoted this time are rainbow trout "Water Family No. 1", Hehua Carp "Milk Source No. 1", Warped Mandarin "Guangqing No. 1", Jian carp No. 2, Semi-slippery tongue fish "Ray You No. 1", Spinnaker Mussel "Shenzhe No. 3", Philippine Clam "Zebra Clam No. 2", Wrinkled Pan Bao "Xunshan No. 1", Wen Clam "Kezhe No. 2", Kelp "Zhongbao No. 1", and Fully Female Warped Mandarin "Ding Mandarin No. 1". The technical staff of the Beijing Aquatic Technology Promotion Station said that this batch of new varieties has certain advantages and economic characteristics compared with similar varieties.
Up to now, the agricultural and rural departments have released a total of 240 new varieties of aquatic products. The technical staff of the Beijing Aquatic Technology Extension Station said that the process of new aquatic varieties from breeding to promotion varies in length, and the growth cycle of aquaculture species is determined by the age of sexual maturity, "However, the cultivation of varieties needs to be bred for at least four generations, and after two production cycles of productive comparison experiments can apply for approval, so the investment in the cultivation of new varieties is very large, whether it is money or time and energy." ”
The technical staff of the Beijing Aquatic Technology Promotion Station believes that the new aquatic varieties are the crystallization of scientific and technological innovation, which can improve the efficiency of aquaculture, and should be promoted and used according to local conditions, which can improve the efficiency of farm households. "In particular, under more limited land and water surface conditions in the future, the development of new varieties and the improvement of the production performance of varieties are necessary means for fisheries-related technicians to ensure the effective supply of aquaculture products."
Beijing News trainee reporter Chen Lu
Edited by Zhang Shujing Proofreader Li Shihui