Vietnam spent more than 1.4 billion U.S. dollars importing animal feeds and materials for animal feed production in the first five months of this year, down 12.5 percent against the same period last year, according to the General Department of Vietnam Customs on Wednesday.

Its largest suppliers included Argentina, China, the United States and Thailand.

Between January and May, Vietnam imported more than 1.4 million tons of wheat worth 363 million U.S. dollars, seeing respective year-on-year surges of 40.3 percent and 26.9 percent, and spent 633 million U.S. dollars importing over 3 million tons of corn, down 26.5 percent and 26.6 percent respectively.

Last year, Vietnam spent more than 3.7 billion U.S. dollars importing animal feeds and materials for animal feed production, down 5.1 percent on-year, with the biggest import markets being Argentina, Brazil, China and the United States, said the department.