Dr. Joe Paschal, Texas A&M AgriLife Extension Service livestock specialist from Corpus Christi, mans the video camera and was joined by Dr. Dan Hale, AgriLife Extension meat specialist, and Dr. Tom Hairgrove, AgriLife Extension beef cattle veterinarian and food animal specialist, both from College Station, who gave a demonstration on the value of proper injection sites on cattle at the recent Texas and Southwestern Cattle Raisers Association Convention in Fort Worth. (Texas A&M AgriLife Extension Service photo by Blair Fannin)