Irregularities found in a testing center for genetically modified animals and animal feed has exposed loopholes in the management of genetic modification in China, and deserves caution from authorities for more intensified supervision, according to an investigation.

The irregularities at the Center for Safety Supervision, Inspection and Testing GM Animals and Feeds of the Ministry of Agriculture included faking inspection records and using students instead of certified technicians to conduct tests, the ministry said.

The center, established by the Institute of Animal Sciences under the Chinese Academy of Agricultural Sciences, had not issued any safety certifications for genetically modified products, the ministry said.