Cover photo: The diagram of the bovine flight zone is by Temple Grandin (copyright 1980.) The photograph of a cattle round-up at Fort Keogh Livestock and Range Research Station in Montana is by Jack Dykinga (K3908-1/USDA-ARS)
O'Driscoll, Jennifer. "Information for Livestock and Poultry Handling and Transport 1990-1998." AWIC Resources Series No. 4. Beltsville, MD: U.S. Department of Agriculture, Agricultural Research Service, National Agricultural
Animal Welfare Information Center. December 1998. 158 pp.
http://www.nal.usda.gov/awic/pubs/livestock/lvstchap.htm (individual chapter files) or http://www.nal.usda.gov/awic/pubs/livestock/lvstfull.htm (full publication)