1. Testis function and feedlot performance of bulls actively immunized against gonadotropin-releasing hormone: effect of implants containing progesterone and estradiol benzoate;Adams;J. Anim. Sci.,1993
2. Shipboard Program: Stockman's Handbook, Transport of Cattle by Sea: Short and Long Haul Voyages;Ainsworth,2003
3. Measuring predator control effectiveness: reducing numbers may not reduce predator impact;Allen,2000
4. Andelt, W.F., 2001. Livestock Guard Dogs, llamas and Donkeys. Fact sheet no. 1.218, Colorado Sate University Cooperative Extension, Fort Collins. 7 pp.
5. Livestock guard dogs reduce predation on domestic sheep in Colorado;Andelt;J. Range Manage.,2000