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    1. #1
      Senior Dog
      Snowshoe's Avatar
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      May 2014
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      Neuter/Spay - Pros, Cons, Risks, Benefits - Research Article Links

      Here is a list of research articles I've put together on the pros and cons of neuter/spay. The first article deals only with health and does seem to present the most information in an easy to read and understand format and I believe it to be a very good place to start reading. The second article deals with health too but also some societal and behavioural concerns. One link is to a radio show talk and one link is a rebuttal of the one above it. It is all very interesting (brain wracking) reading.

      These articles are listed, with two exceptions, in the order I discovered them. That does not mean the ones at the end of the list are necessarily the newest information as it sometimes takes a while for information of this sort to become available to pet owners on the internet.

      The exception to the order are articles three and four. The third deals with behaviour differences noted between altered and intact dogs and I found it to be fascinating and quite surprising, quite contrary to much of what we’ve all been told in some areas. Labrador Retrievers are one of the breeds studied in this research but make sure to note the summaries sometimes differ from individual breed reports.

      The fourth link is to the resource used to compile the information used in the third article. As it is so different from most information known to date on behaviour and details the reasons it was compiled in the first place I included it. It has a section where you can do a behaviour survey on your own dog and it will be rated as to other dogs of the same breed, if your breed is one of the ones in the intial survey.

      Most of these articles are the actual results of scientific research or they summarize the results of the research of others. Most do cite the sources used and you can search these sources out for more detailed background.

      All of these have the url link where I first found them, then the title, then the authors. The links change sometimes and you may have to search for them yourself by author or title.

      Some things I will add now that are my own personal observations or obtained from the comments of others that are not in the articles but may affect your decision of when or whether to alter your dog. Some doggy day care, boarding kennels, dog parks and some training centres may not allow intact dogs. You may have to pay a higher fee to license an intact dog where you live. Some Vets will increase the price to alter after a certain age, often after six months. In some cases the price will depend on the weight of your dog but in some cases I have known of it to double. The age at which to alter your dog may be part of the contract you have with your breeder and in some cases acting outside your contract may void your health guarantee.

      Read carefully, prepare a list of what affects you and your dog. Be aware that some things are gender and breed specific. I strongly suggest you discuss your research with your Vet and your breeder. Good luck. I hope the information here helps you make the best decision for your dog and you in your situation.

      Long-Term Health Risks and Benefits Associated with Spay / Neuter in Dogs
      Laura J. Sanborn, M.S.
      May 14, 2007

      Determining the optimal age for gonadectomy of dogs and cats,
      Margaret V. Root Kustritz, dvm, phd, dact

      Non-reproductive Effects of Spaying and Neutering on Behavior in Dogs
      Deborah L. Duffy, Ph.D., and James A. Serpell, Ph.D., Center for the Interaction of
      Animals and Society, School of Veterinary Medicine, University of Pennsylvania

      Center for the Interaction of Animals and Society > Home
      Center for the Interaction of Animals and Society
      University of Pennsylvania School of Veterinary Medicine
      - follow the drop down box on the left to CBARQ

      A Veterinary "Review" Article on Neutering, with Implications for Dalmatian Stone-Formers
      Veterinary "Review" Article on Neutering, with Implications for Dalmatian Stone-Formers Abstracted by Carroll H. Weiss
      Study Group on Urinary Stones
      Research Committee
      Dalmatian Club of America

      Mary C. Wakeman, D.V.M.
      2003 for BREEDERVET

      The Question Of Neutering and at what age
      (Put together by Gregg Tonkin, Little River Labradors from postings by Pam Davol PHD and Chris Zink DVM, PhD, DACVP)

      Should You Neuter Your Dog?
      Ed Frawley, Leerburg Kennels * words are l e e r b u r g.com and L e e r b u r g Kennels

      The Bond and Beyond for VPN December 2008
      by Alice Villalobos
      Will We Change on Early Spay-Neuter?

      Mary C. Wakeman, D.V.M.
      2003 for BREEDERVET

      New Views On Neutering
      By Ruth Marrion, DVM

      Non-reproductive Effects of Spaying and Neutering
      Proceedings of the Third International Symposium on Non-Surgical
      Contraceptive Methods for Pet Population Control • Alliance for Contraception in Cats and Dogs - Alliance for Contraception in Cats Dogs
      SESSION OVERVIEW - Dr. John Verstegen

      A non-surgical method to suppress testosterone

      Pros and Cons of Neutering
      E. Hardie
      Department of Clinical Sciences, North Carolina State University, Raleigh, NC, USA.

      RSPCA Admit to Spaying and Castrating Puppies AT SIX WEEKS OLD
      Stan Rawlinson MTCBPT.MPAACT
      Doglistener Behaviourist and Obedience Trainer

      Should I spay or should I no..? -- pros and cons of Spay-neuter
      Hungarian Vizsla Health Resource

      Spaying and Castration (Neutering) Dogs and Cats A Stark Warning
      Stan Rawlinson, a full time Dog Behaviourist and Obedience Trainer.

      Spay, Neuter, and Cancer: Revisiting and Old Trinity
      Myrna Milani, BS, DVM

      Early Spay-Neuter Considerations for the Canine Athlete One Veterinarian's Opinion
      2005 Chris Zink DVM, PhD, DACVP

      Rebuttal to “Early Spay-Neuter Considerations for the Canine Athlete”
      Lisa M Howe, DVM, PhD, Dipl. ACVS Associate Professor, Small Animal Surgery Co-Chief
      Surgical Sciences Sect Dept of Vet Small Animal Clinical Sci
      College of Vet Med and Biom Sciences Texas A&M Univ College Station TX 77843

      Dog Talk Show #96 Tracie Hotchner (10-18-2008)
      Early spay/neuter may be harming our dogs! Hear Dr. Christine Zink, DVM, PhD, DAVCP on the physical benefits of delaying neutering and trainer Parvene Farhoody on how it can reduce aggression.

      Effects of breed, sex, and neuter status on trainability in dogs
      James A. Serpell* and Yuying Hsu†

      Castration, gonadectomy, neutering, in dogs
      Gonadectomy and behavior
      Dr Jol Dehasse

      Temperament and personality in dogs (Canis familiaris): A review and evaluation of past research
      Amanda C. Jones *, Samuel D. Gosling

      Evaluating the Benefits and Risks of Neutering
      Update Oct. 22, 2016 Thanks to forum member smartrock I now know the SkeptVet author is Dr. Brennen McKenzie, MA, VMD.

      Pediatric Spay/Neuter
      Dr. Lila Miller, ASPCA

      Spaying and Castration – What Your Vet and the Rescue Centres May Not Tell You
      Pauline Waller, member #178 Professional Association of Applied Canine Trainers, - articles referenced and searchable

      To Castrate or Not? – Interesting discussion regarding a young male targeted by an aggressive older male.

      At What Age Should I Spay or Neuter My Dog or Cat?
      What Are The Advantages And Disadvantages Of Neutering My Pet?
      Revisiting The Idea Of Early-Age Neutering
      Ron Hines DVM PhD 10/05/09

      Articles and links to Veterinary organizations opposing mandatory spay/neuter

      Can Spaying Make Dog Behaviour Worse?
      Sophia Yin, DVM, MS March 5, 2009

      The Effects of Spaying and Neutering on Canine Behaviour
      James O’Heare, Based on section from Aggressive Behavior in Dogs, 2006,

      The Behavioural Effects of Canine Castration
      Hazel Palmer, 1993 See post #8 in the chat forum at Pet Friendly World.

      Does Spaying and Neutering Reduce Aggression?
      Dr. Polley DVM, 2001 American Dog Breeders Association

      GPMCF: Healthier Respect for Ovaries
      A Healthier Respect for Ovaries (in dogs)
      David J. Waters, DVM, PhD, Diplomate ACVS
      Director, Center for Exceptional Longevity Studies

      Gerald P. Murphy Cancer Foundation

      Message for women and dogs: keeping ovaries is linked to longevity
      Message for women and dogs: keeping ovaries is linked to longevity
      To the Purdue Research Park, http://www.purdueresearchpark.com

      Exploring mechanisms of sex differences in longevity: lifetime ovary exposure and exceptional longevity in dogs
      David J. Waters,1,2 Seema S. Kengeri,1 Beth Clever,1 Julie A. Booth,1 Aimee H. Maras,1 Deborah L.
      Schlittler1 and Michael G. Hayek3

      AVMA: Mandatory spay/neuter a bad idea
      Javma News, May 15, 2009

      Veterinary Advice Online: Male Dog Neutering

      Veterinary advice Online: Dog Spaying (Spaying a Female Dog)
      Dr. Shauna O’Meara Pet Informed: http://www.pet-informed-veterinary-a...com/index.html

      An Error Occurred Setting Your User Cookie
      Breed differences in canine aggression 1, Dec. 2008
      Deborah L. Duffy, Yuying Hsub, James A. Serpella

      Endogenous Gonadal Hormone Exposure and Bone Sarcoma Risk
      Dawn M. Cooley, Benjamin C. Beranek, Deborah L. Schlittler, Nita W. Glickman, Lawrence T. Glickman, and David J. Waters

      Pyometra in the Bitch - The Information Website for the Health Welfare of the St Bernard
      Pyometra in the Bitch
      Jenny King

      Early Spay and Neuter | AKC Canine Health Foundation
      Early Spay and Neuter
      Podcast with Dr. Benjamin Hart

      Bone Cancer in Dogs
      Dr. Jaime Modiano

      Golden Retriever Study Suggests Neutering Affects Dog Health
      UC Davis, News and Information. Media Contacts: Benjamin Hart, School of Veterinary Medicine, (530) 752-1555, blhart@ucdavis.edu; Pat Bailey, UC Davis News Service, (530) 752-9843, pjbailey@ucdavis.edu

      Neutering Dogs: Effects on Joint Disorders and Cancers in Golden Retrievers
      Gretel Torres de la Riva, Benjamin L. Hart ,XThomas B. Farver, Anita M. Oberbauer, Locksley L. McV. Messam, Neil Willits, Lynette A. Hart

      Ovary Sparing Spay
      Parsemus Foundation works to advance innovative and neglected medical research.

      Behavioral and Physical Effects of Spaying and Neutering Domestic Dogs(Canis familiaris)
      Summary of findings detailed in a Masters thesis submitted to and accepted by Hunter College
      by Parvene Farhoody in May, 2010.

      Basis for Position on Mandatory Spay-Neuter in the Canine and Feline
      American College of Theriogneologists, 2013, Society for Theriogenology
      Note: The ACT and SFT oppose mandatory spay/neuter

      The Truth About Spaying and Neutering
      Dr. Karen Becker,

      Evaluation of the risk and age of onset of cancer and behavioral disorders in gonadectomized Vizslas
      M. Christine Zink, DVM, PhD; Parvene Farhoody, MA; Samra E. Elser, BS;
      Lynda D. Ruffini; Tom A. Gibbons, MS; Randall H. Rieger, PhD

      Should Dogs Be Neutered?
      Ida Korneliussen in Science Nordic

      Don’t Neuter Your Dog YET – Read This Life-Saving Information First!
      Healthy Pets with Dr. Karen Becker

      Spay and Neuter in dogs: Pros and cons!
      Posted by PRO Technical Services Emmanuel on March 15, 2013 (Dr. Emmanuel Fontaine DVM)

      Ovary Sparing Spay and Vasectomy Info Group on Facebook

      List updated April 4, 2017

    2. The Following 5 Users Say Thank You to Snowshoe For This Useful Post:

      Berna (05-24-2014), MikeLynn (05-24-2014), ronmcq (05-01-2016), SunDance (05-24-2014), voodoo (05-24-2014)

    3. #2
      Senior Dog
      voodoo's Avatar
      Join Date
      May 2014
      Thanked: 551
      thats alot of reading/links!

      this is one of my favorite links on the subject-short easy read

      Health Risks and Benefits Associated with Spay/Neuter in Dogs
      Last edited by voodoo; 05-24-2014 at 03:27 PM.
      First time pet owner
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      Chili born 7/21/2013

    4. #3
      Senior Dog
      Snowshoe's Avatar
      Join Date
      May 2014
      Thanked: 3787
      Quote Originally Posted by voodoo View Post
      thats alot of reading/links!

      this is one of my favorite links on the subject-short easy read

      Health Risks and Benefits Associated with Spay/Neuter in Dogs
      LOL, that's the Sanborn article in a slightly different guise. First one I ever read and first one in the list. That's the one responsible for Oban being the man he is today.

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