BEIJING - Chinese authorities seized 45,594 batches of imported produce contaminated by harmful organisms in April, according to a statement issued on Tuesday by the General Administration of Quality Supervision, Inspection and Quarantine.

The tainted farm produce mainly came from the United States, Australia, Vietnam, Thailand, the Philippines, Brazil, the Republic of Korea and Chile, it said.

A majority of the 1,740 types of pests detected are insects, accounting for 49.27 percent of the total. Other pests include fungus, parasites, bacteria and viruses, the statement added.

All tainted produce has been rejected, destroyed or disinfected.