Hog futures advanced on signs of increasing domestic demand for U.S. pork. Cattle prices were little changed.
Corn futures tumbled, capping the biggest weekly loss in more than a month, after the government said U.S. inventories will double as farms recover from the drought in 2012 to produce the biggest crop ever.
Hog futures slumped to a two-week low on speculation that demand for U.S. pork is slowing and supplies are increasing. Cattle prices were little changed.
Cattle futures rose for the first time in three sessions on signs of improving demand for U.S. beef. Hog prices also gained.
Corn futures rebounded from the lowest in almost 10 months after a government report showed increased U.S. production of grain-based ethanol in the U.S. Soybeans and wheat fell.
U.S. feedlot owners unexpectedly increased the number of cattle added to their herds in March compared with a year earlier as a drop in corn costs improved prospects for an end to operating losses.
Soybean futures fell for the first time in four days on speculation that dwindling U.S. supplies will curb processing activities and increase imports from South America. Corn and wheat rose.
Cattle futures rose on speculation that U.S. meat purchases will increase as the weather warms up and more consumers grill outdoors. Hog prices also climbed.
From South Dakota to Ohio, farmers are preparing to plant the most corn in almost eight decades after drought ruined record U.S. harvests predicted by the government.
What follows are opening calls for U.S. grain and oilseed markets.
"We have the potential to build a substantial buffer of corn supplies this year."
- Don Roose on May 10, 2013