"The elaborate fence network on the Edwards Plateau probably contributed more than any other factor to reducing or, in many cases, eliminating predator losses."(152)

"In 1993, TADCS estimated that 5 to 10% of the sheep and goat producers were using guard dogs. The use of guard donkeys has also increased in popularity in recent years. Walton and Field (1990) estimated that approximately 9% of the sheep and goat producers were using donkeys in 1989."(152)

"In 1994, Texas ranchers spent an average of $0.51 per head (breeding ewe) annually on nonlethal predator control measures (USDA 1995). This effort will most likely continue in the future."(152)