REFERENCES
- Animal Welfare Institute . 2007 . Managing for extinction: Shortcomings of the Bureau of Land Management's national wild horse and burro program Retrieved from http://www.awionline.org/ht/a/GetDocumentAction/i/11038
- Ashley , M. C. and Holcombe , D. W. 2001 . Effects of stress induced by gathers and removals on reproductive success of feral horses . Wildlife Society Bulletin , 29 : 248 – 254 .
- Bureau of Land Management . 2009 . Public land statistics 2009 U.S. Department of Interior, Bureau of Land Management. . Retrieved from http://www.blm.gov/public_land_statistics/pls09/index.htm
- Charmaz , K. 2003 . “ Grounded theory. ” . In Qualitative psychology: A practical guide to research methods Edited by: Smith , J. A. 81 – 110 . London , , UK : Sage. .
- Godfrey , B. E. and Lawson , P. 1986 . Wild horse management: An economic perspective . Equine Veterinary Science , 6 : 266 – 272 .
- Hanssen , K. V. and Mosley , J. C. 2000 . Effects of roundups on behavior and reproduction of feral horses . Journal of Range Management , 53 : 479 – 482 .
- Kirkpatrick , J. F. , Liu , I. K. M. and Turner , J. W. Jr. 1990 . Remotely-delivered immunocontraception in feral horses . Wildlife Society Bulletin , 18 : 326 – 330 .
- Sondergaard , E. and Halekoh , U. 2003 . Young horses' reaction to humans in relation to handling and social environment . Applied Animal Behaviour Science , 84 : 265 – 280 .
- Turner , J. W. Jr. , Liu , I. K. M. , Flanagan , D. R. , Bynum , K. S. and Rutberg , A. T. 2002 . Porcine zona pellucid (PZP) immunocontraception of wild horses (Equus caballus) in Nevada: A 10 year study . Reproduction Supplement , 60 : 177 – 186 .
- Turner , J. W. Jr. , Liu , I. K. M. , Flanagan , D. R. , Rutberg , A. T. and Kirkpatrick , J. F. 2007 . Immunocontraception in wild horses: One inoculation provides two years of infertility . Journal of Wildlife Management , 71 : 662 – 667 .
- United States Department of Agriculture . 2008 . The unwanted horse issue: What now? Revised proceedings Retrieved from http://www.nal.usda.gov/awic/pubs/FTAAProceedings/unwantedhorse proceedings2008.pdf
- United States Government Accountability Office . 2008 . Bureau of Land Management effective long-term options needed to manage unadoptable wild horses Washington , DC : Government Printing Office. . (GAO-09-0 Publication No. 92–195)
- 1971 . Wild Free-Roaming Horses and Burros Act of 1971, Pub. No L. 92–195, 85 Stat. 649