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Hong Kong (CNN) It's usually top generals or potential rivals who feel the wrath of North Korea's leader, but this week Kim Jong Un's ire was directed at a terrapin farm.

According to North Korea's state-run KCNA news agency, the country's Supreme Leader recently carried out an inspection of the Taedonggang Terrapin Farm where he noted a number of "serious shortcomings."

For one thing the farm, which is located on the outskirts of Pyongyang, didn't pay enough attention to the study of his late father, who KCNA said was the inspiration behind the project to "provide the people with tasty and nutritious terrapin widely known as a precious tonic from olden times."

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"It is hard to understand that the farm visited by Kim Jong Il did not arrange even the room for education in revolutionary history," KCNA quoted Kim as saying. "The employees who failed to bear deep in their minds his leadership exploits could hardly perform their role as masters in production."

He then added, ominously, that the farm's atmosphere was completely different from others he visited.

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