 Yesterday's hog slaughter was estimated at 475,000 head. That's unchanged on the week and down just over 1,000 in the year. Boxed beef was mixed yesterday with choice down $2.01 at $3.1615 and select beef up $1.02 at $2.9946. In Chicago, August beans are 8.5 higher. September corn is up 4.25. September wheat in Chicago is 18.75 higher.