Consumers will likely see higher po

Consumers will likely see higher pork prices, which increased 3.2 percent for two months in a row [12.2 percent since a year ago]. One of the reasons is porcine epidemic diarrhea virus, which has increased the number of piglets that die.

Both potatoes and lettuce had the highest rates of inflation, which contributed to the overall category of fresh vegetables going up in May. [Up to] 85 percent of the lettuce grown in the U.S. comes from California, which is suffering from ongoing drought conditions. We also saw a slight increase in exports and a slight decrease in imports last month, so there's a smaller supply of lettuce.

Fruit was really led by citrus [up 7.3 percent since May 2013] in Florida. That's because of the cold winter in Florida and the widespread citrus greening, a disease on the trees that causes [oranges] to fall off the tree earlier.

Dairy prices are increasing [up to 4 percent in 2014] due to really strong domestic demand for milk and cheese. There also was a cold winter in the Midwest, which harmed the hay production, lowering output per cow.