VM-171, a 4-page fact sheet by J.K. Shearer, Max Irsik and Ed Jennings, describes for livestock producers several methods of carcass disposal — burial, composting, tissue digestion, incineration, and rendering. Includes references. Published by the UF College of Veterinary Medicine — Department of Large Animal Clinical Sciences, July 2008.
http://edis.ifas.ufl.edu/VM133