The Sungjin Biotechnology Development Company of the Three-Revolution Exhibition House has developed an oil frog farming technique.
Studies suggest that an oil frog is indispensable for forest conservation as it eats harmful insects two or three times more than other species of frogs do a year.
Oil frog has long been known as a natural nutritious food.
Several countries hold it as a lucrative business to grow oil frogs because their skin, bones, flesh and all other parts of their bodies are used in the production of medicines, foodstuffs and cosmetics.
After a long period of investigation, the researchers at the company found a superior pure-bred oil frog and established a method of keeping young frogs at the death rate lower than the globally-recognized index.
They also developed some other new techniques, including installation and use of terminal barriers to prevent oil frogs escaping the farming ground.
These techniques obtained certificates of patent and invention.
Kim Pong Ju
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