REFERENCES
- American Humane Association . 2012 . Keeping pets (dogs and cats) in homes: A three phase retention study. Phase I: Reasons for not owning a dog or cat Retrieved from http://www.americanhumane.org/aha-petsmart-retention-study-phase-1.pdf
- American Pet Products Association . 2012 . Pet industry market size & ownership statistics Retrieved from http://www.americanpetproducts.org/press_industrytrends.asp
- American Veterinary Medical Association . 2012 . Sneak preview of AVMA Pet Demographic Sourcebook at 2012 convention in San Diego Retrieved from https://www.avma.org/News/PressRoom/Pages/Sneak-preview-of-AVMA-Pet-Demographic-Sourcebook-at-2012-convention-in-San-Diego.aspx
- Armstrong , M. , Avanzino , R. , Burns , P. , Byers , M. , Fina , P. , Goldstein , M. and Wheatley , M. 2005 . Asilomar Accords—statistics and formulas Retrieved http://www.asilomaraccords.org/statistics_and_formulas.html
- Colorado Department of Agriculture . 2009 . Rules and regulations Retrieved from http://www.colorado.gov/cs/Satellite?c=Page&cid=1230899249850&agename=Agriculture-Main%2FCDAGLayout
- Colorado Division of Local Government . 2011 . Population totals for Colorado and sub-state regions Retrieved from http://www.colorado.gov/cs/Satellite/DOLA-Main/CBON/1251593346834
- Colorado Pet Animal Care Facilities Act, 80 Col. Stat. §§ 35–101-117
- Environment Colorado . 2008 . Feeling the heat: Global warming and rising temperatures in the United States Retrieved from http://www.environmentcolorado.org/news/coe/feeling-heat-global-warming-and-rising-temperatures-united-states
- Frank , J. 2004 . An interactive model of human and companion animal dynamics: The ecology and economics of dog overpopulation and the human costs of addressing the problem . Journal of Human Ecology , 32 : 107 – 130 .
- Frank , J. M. and Carlisle-Frank , P. L. 2007 . Analysis of programs to reduce overpopulation of companion animals: Do adoption and low-cost spay/neuter programs merely cause substitution of sources? . Ecological Economics , 62 : 740 – 746 .
- Gies , D. and Mechler , E. 2004 . “ Unwanted pets, random breeding, and disposition statistics: A study of the estimates. ” . In Proceedings of the Second International Symposium on Nonsurgical Contraceptive Methods for Pet Population Control Edited by: Boyle , S. 184 Breckenridge , CO : Alliance for Contraception in Cats and Dogs. .
- Handy , G. L. 2001 . “ Programs for spaying and neutering. ” . In Animal control management: A guide for local governments 33 – 39 . Washington , DC : International City/County Management Association. .
- Levy , J. K. , Gale , D. W. and Gale , L. A. 2003 . Evaluation of the effect of a long-term trap-neuter-return and adoption program on a free-roaming cat population . Journal of the American Veterinary Medical Association , 222 : 42 – 46 .
- Lord , L. K. , Wittum , T. E. , Ferketich , A. K. , Funk , J. A. and Rajala-Schultz , P. J. 2006 . Demographic trends for animal care and control agencies in Ohio from 1996 to 2004 . Journal of the American Veterinary Medical Association , 229 : 48 – 54 .
- Lord , L. K. , Wittum , T. E. , Neer , C. A. and Gordon , J. C. 1998 . Demographic and needs assessment survey of animal care and control agencies . Journal of the American Veterinary Medical Association , 213 : 483 – 487 .
- Maddie's Fund . 2012 . Searchable database to compare community lifesaving Retrieved from http://www.maddiesfund.org/No_Kill_Progress/Searchable_Database.html
- Metro Denver Shelter Alliance . 2012 . Live release rate Retrieved from http://www.mdsalliance.org/about/live-release-rate/
- Morris , K. M. , Wolf , J. L. and Gies , D. L. 2011 . Trends in animal shelter intake and outcome statistics in Colorado from 2000 to 2007 . Journal of the American Veterinary Medical Association , 238 : 329 – 336 .
- Reece , J. F. and Chawla , S. K. 2006 . Control of rabies in Jaipur, India, by the sterilization and vaccination of neighborhood dogs . The Veterinary Record , 159 : 379 – 383 .
- Rowan , A. N. 1992 . Shelters and pet overpopulation: A statistical black hole . Anthrozoos , 5 : 140 – 143 .
- Scarlett , J. and Johnston , N. 2012 . Impact of a subsidized spay neuter clinic on impoundments and euthanasia in a community shelter and on service and complaint calls to animal control . Journal of Applied Animal Welfare Science , 15 : 53 – 69 .
- Wallace , J. L. and Levy , J. K. 2006 . Population characteristics of feral cats admitted to seven trap-neuter-return programs in the United States . Journal of Feline Medicine and Surgery , 8 : 279 – 284 .
- White , S. C. , Jefferson , E. and Levy , J. K. 2010 . Impact of publicly sponsored neutering programs on animal population dynamics at animal shelters: The New Hampshire and Austin experiences . Journal of Applied Animal Welfare Science , 13 : 191 – 212 .
- Zawistowski , S. , Morris , J. , Salman , M. D. and Ruch-Gallie , R. 1998 . Population dynamics, overpopulation and the welfare of companion animals: New insights on old and new data . Journal of Applied Animal Welfare Science , 1 : 193 – 206 .