March 28, 2024
KCNA Pyongyang Times

Institute focuses on scientific, intensive fish farming

Date: 12/04/2018 | Source: Pyongyang Times | Read original version at source

[2018-04-12]
Researchers at the central fish farming institute of the Academy of Fisheries are concentrating on rearing fish with strong viability that grow fast while consuming less fodder.
They have set their sights on ensuring the intensive farming of loach and tilapia in parallel, while pushing a project for breeding good species of freshwater fish.
With primary efforts given to utilizing natural feed, they go on with the study to develop a new vegetable feed for fish.
They concentrate big efforts on raising the effectiveness of vegetable feed based on “Aeguk” grass and Evodia daniellii seed cake. In particular, they deepened research into the problems arising in removing the bitterness of Evodia daniellii seed cake, by-product from oil production process, so that fish can eat it better laying a technological foundation for ensuring high fattening rate of fish with Evodia daniellii seed cake as the feed. They are now working on the research to introduce it into production. They also pay attention to increasing the protein content of feed in order to develop a technology of breeding mandarin fish whose feed problem remains unsettled. At the same time, they press on with a research to make out a rational prescription for improving the taste of catfish.
Close attention is being paid to protecting and increasing fish resources. After making a deep research into anadromous sweetfish resources in the Chongchon River, researchers made painstaking efforts to raise the fish in freshwater ponds or cage nets until fry grow into mother fish. In the course of this, they succeeded in incubating the spawn from mother fish in ponds and cage nets and confirmed that the fish can be raised in freshwater. They deepen research into multiplying Hucho ishikawai resources.
Besides, they, in close collaboration with different fish farms, push ahead with various research projects to shorten the period of growth of catfish and reduce feed unit, prevent and cure diseases which may break out in catfish farming, and further improve the cage-net fish farming technology.

By Jong Hwa Sun PT

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