CHICAGO, Aug. 7 (UPI) -- Grain prices swung up on the Chicago Board of Trade Thursday as the dollar strengthened against the euro and oil prices rose in New York.

Corn was up 14 1/4 to up 14 1/2, soybeans were up 17 to up 22 1/2, wheat was up 55 1/4 to up 56 1/2 and oats were up 3 to up 3 1/4.

The Environmental Protection Agency turned down Texas' request for a waiver on ethanol mandates.

Wheat traded up as the European Union issued licenses for 357,000 metric tons of wheat exports. Soybeans rose as Brazil increased its yield estimate from 58.5 million metric tons to 60 million.

The prices:

Corn: Sep 5.22 1/4, up 14 1/4; Dec 5.42, up 14 1/4; Mar 5.61 3/4, up 14 1/2; May 5.74, up 14 1/4.

Soybeans: Aug 12.43, up 22 1/2; Sep 12.34 1/2, up 21; Nov 12.39, up 17, Jan 12.56 3/4, up 17.

Wheat: Sep 8.22 1/4, up 56 1/2 1/4; Dec 8.47, up 56 1/4; Mar 8.70, up 55 1/4; May 8.84 1/4, up 55 1/4.

Oats: Sep 3.60, up 3; Dec 3.79 1/4, up 3 1/4; Mar 3.98 1/2, up 3 1/4; May 4.11 1/2, up 3 1/4.