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09-08-2012, 11:22 AM | #1 |
YT 2000 Club Donating Member | Some new Research Published For some reason my computer isn't allowing me to open any pdf files, and I am dying to read the whole article. This was the study that Dr Zink referred to 2yrs ago when I attended her excellent seminar. Behavioral and Physical Effects of Spaying and Neutering Domestic Dogs Summary of findings detailed in a Masters thesis submitted to and accepted by Hunter College by Parvene Farhoody in May, 2010. Powered by Google Docs Another interesting and ongoing study. Results are not what I would have expected to be honest. Including a difference in bone length was found between neutered and intact dogs, suggesting that neutering has an effect of increasing bone growth. I wonder if this affects bone density at all. Summary The above data is just a small sample of the significant data that were determined in this study. By using large a sample of dogs than any used previously to examine behavior in dogs, we found significant correlations between neutering dogs and increases in aggression, fear and anxiety, and excitability, regardless of the age at which the dog was neutered. There were also significant correlations between neutering and decreases in trainability and responsiveness to cues. The other three behavioral categories examined (miscellaneous behavior problems, attachment and attention-seeking behavior, and separation-related behavior) showed some association with neutering, but these differed more substantially depending on the age at which the dog was neutered. The overall trend seen in all these behavioral data was that the earlier the dog was neutered, the more negative the effect on the behavior. A difference in bone length was found between neutered and intact dogs, suggesting that neutering has an effect on bone growth, which may be related to other orthopedic effects documented in the literature. Examination of changes in bone length of gonadectomized dogs is continuing.
__________________ Razzle and Dara. Our clan. RIP Karma Dec 24th 2004-July 14 2013 RIP Zoey Jun9 th 2008-May 12 2012. RIP Magic,Mar 26 2006July 1st 2018 |
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09-08-2012, 12:00 PM | #2 |
Donating Senior Yorkie Talker Join Date: May 2009 Location: with my Yorklet!
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| That's really interesting. Those results definitely contradict conventional wisdom about behavioral changes after neutering.
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09-08-2012, 12:06 PM | #3 |
♥ Love My Tibbe! ♥ Donating Member Join Date: Feb 2011 Location: D/FW, Texas
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| That is really interesting and good to know. Thanks.
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09-08-2012, 12:07 PM | #4 | |
YT 2000 Club Donating Member | Quote:
To my mind it is very important research and one that I will go through with fine toothed comb to understand it very well.
__________________ Razzle and Dara. Our clan. RIP Karma Dec 24th 2004-July 14 2013 RIP Zoey Jun9 th 2008-May 12 2012. RIP Magic,Mar 26 2006July 1st 2018 | |
09-08-2012, 01:11 PM | #5 |
Max Main's Mamma Donating YT Member | Thanks for sharing. Is the entire research article available? I would like to read the entire research from methodology to the type of research design. I just finished a course on research and I'm curious to know if the research was done on a random sample of dogs. If so, how did the researchers compare breeds, etc. I can look to see if I can find it in my university library and will post it if I can. Thanks again! Very interesting.
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09-08-2012, 01:22 PM | #6 | |
YT 2000 Club Donating Member | Quote:
If you do find the whole paper, I'd love a link to it
__________________ Razzle and Dara. Our clan. RIP Karma Dec 24th 2004-July 14 2013 RIP Zoey Jun9 th 2008-May 12 2012. RIP Magic,Mar 26 2006July 1st 2018 | |
09-08-2012, 01:26 PM | #7 |
I ♥ Joey & Ralphie! Donating Member | Science doesn’t change with one or even 10 studies; it will take many replications of this study, before we can rule out any type of other variable that could cause this effect. Also, this study was a survey, based on a questionnaire, not my favorite type of study, there is so much room for human error. I’m not sure if it was random or not, they did use a lot of dogs, 10,839 which if there were any differences at all between the groups it would show as statistically significant. The summary doesn’t say if the intact females who were shown to be less aggressive, had ever giving birth, which would be an important variable. I just think there are so many variables, such as the way these dogs were raised. We all know that the way you treat a dog can make it more aggressive. To be valid, in my opinion, the dogs should have been treated the same their whole lives. I hope these studies don't change the notion that neutering is the best thing we can do for not just our dogs, but all dogs in this country. While I’m not in favor of early age neutering, I’m afraid people will just stop neutering all together. Most people don’t have much of a science background and can be easily swayed. All you have to do is look at other countries where neutering isn't common and see the abundance of starving dogs and you’ll really know what an aggressive dog is. We already are killing millions of dogs each year. One unaltered female dog and her offspring can produce 67,000 puppies in only six years. Every pet owner thinks that they are responsible, but the truth is too many aren't. Studies like this should be viewed with caution until more is known.
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09-08-2012, 02:01 PM | #8 | |
YT 2000 Club Donating Member | Quote:
This study in no way is purported to be any indictment of deciding to neuter your dog/bitch. It is research. Pure and simple. And it is not the only research out there. Just one that surveyed a whole lot of Viszla owners. Dog owners need to be kept informed, of what is out there. Nancy I have been in a whole lot of countries with "starving" dogs, and yes as a visitor, but those dogs were never aggressive to me or mine. India, Cuba to name two. I do not Believe that wholesale neutering is the best thing to do for our dogs from a health perspective. So let us see the retrospective studies that actually SHOW that neutering is responsible for a reduction in dogs at a shelter. If you have the research links please provide them. I also don't believe as no-one has shown me on here or elsewhere the efficacy of the neutering policy we have had in place, for many years. I do believe that for most pet owners, neutering is probably the best option for them! To me the timing of said operation is critical, to minimize the risks. I do know that this is a "hot topic" here, given some of our members. It is also a hot topic with me. Call me foolish, but I do believe that intelligent people can come to a rationale decision, along with their vet's advice. In nowhere ever here have I advocated for the indiscriminate breeding of dogs. In fact to the contrary. What I am very very passionate about is the health of dogs being bred, and being owned.
__________________ Razzle and Dara. Our clan. RIP Karma Dec 24th 2004-July 14 2013 RIP Zoey Jun9 th 2008-May 12 2012. RIP Magic,Mar 26 2006July 1st 2018 | |
09-08-2012, 02:09 PM | #9 | |
Max Main's Mamma Donating YT Member | Quote:
__________________ Max and Sheli Last edited by shelimcallister; 09-08-2012 at 02:12 PM. | |
09-08-2012, 03:41 PM | #10 |
Donating YT 1000 Club Member Join Date: Jun 2011 Location: FL, USA
Posts: 2,767
| [QUOTE=gemy;4011304]For some reason my computer isn't allowing me to open any pdf files, and I am dying to read the whole article. This was the study that Dr Zink referred to 2yrs ago when I attended her excellent seminar. Behavioral and Physical Effects of Spaying and Neutering Domestic Dogs Summary of findings detailed in a Masters thesis submitted to and accepted by Hunter College by Parvene Farhoody in May, 2010. Powered by Google Docs ... It may be a Google Docs thing...my browser is complaining that not all Google Docs features are supported...so I don't know what might be missing. Thanks for this link.
__________________ - Cat Brody Mia BriaStormy |
09-09-2012, 04:32 PM | #11 |
YT 2000 Club Donating Member | bumpity bump
__________________ Razzle and Dara. Our clan. RIP Karma Dec 24th 2004-July 14 2013 RIP Zoey Jun9 th 2008-May 12 2012. RIP Magic,Mar 26 2006July 1st 2018 |
09-09-2012, 07:43 PM | #12 |
Max Main's Mamma Donating YT Member | I did not find this in my University library. I did a google search and was only able to see the summary. Anyway, still interesting even though I would love to see the whole thesis. Thanks!
__________________ Max and Sheli |
09-09-2012, 11:22 PM | #13 |
Between♥Suspensions Donating Member Join Date: Aug 2009 Location: Vaissades
Posts: 7,979
| Again very interesting. Weather I fully personally agree with the ideal or challenging spay neuter and my personal experience with unaltered dog agression is different...I definately would like to see further research on this topic. I know my choice to allow a female to hace a couple heats because in my experience and my trainers we beleive it aids temperment. Such various issues like above should always be consideted for research so we can truly learn what faxtors to consider and what is actual best....per breed age size etc. For the sake of saying so my Princess had a spay abortion. She went into heat about 2 months earlier than anticipated and her spay was canceled, I went into labor with baby Marek abd during all the events Elvis broke through a door over 2the gates and jumped from a table 3 almost 4 feet to her pen...I thought I was totally safe responsible, accidents happen.
__________________ Shan & 8 kids now! Last edited by concretegurl; 09-09-2012 at 11:27 PM. |
09-10-2012, 06:27 AM | #14 |
Donating YT 1000 Club Member Join Date: Jun 2011 Location: FL, USA
Posts: 2,767
| If you can see the "printer icon" try clicking it to see if the doc opens. If you need a pdf creator, get PrimoPDF and/or NitroPDF. You can also look for plug-ins. This is a "Google" thing...they want you to use their "Chrome" browser...or at least, that came up on my screen, at first. But, clicking the "printer" icon brought up the document in proper format and I was even able to save it. You can PM me...I can email you the PDF.
__________________ - Cat Brody Mia BriaStormy |
09-11-2012, 08:05 AM | #15 | |
YT 2000 Club Donating Member | Quote:
Were you able to find the actual research paper that published?
__________________ Razzle and Dara. Our clan. RIP Karma Dec 24th 2004-July 14 2013 RIP Zoey Jun9 th 2008-May 12 2012. RIP Magic,Mar 26 2006July 1st 2018 | |
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