Cold water fish farming in Den Sang commune, Bat Xat district (Lao Cai province) has been successful in 2023, with a total output of 90 tons, an increase of about 10 tons compared to the previous year. This has led to an increase in revenue for households, with some earning profits of 300 - 500 million VND. The local government is focused on promoting the application of science and techniques in sturgeon and salmon farming, as well as advising people to not expand the area of fish ponds to ensure water sources and protect the environment.