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04-08-2010, 10:45 AM | #1 |
And Rylee Finnegan Donating Member Join Date: Apr 2007 Location: Metro Detroit, MI
Posts: 17,928
| The Medical Benefits and Risks of Neutering "neutering here meaning spay or castration" Another member of YT (which hopefully will see this thread) and I have been talking a bit about the benefits vs. risks of neutering dogs. Now there are reasons cited like population controls/shelter overcrowding, marking, running away, getting injured due to restlessness, inconvience for owner and slight discomfort of being in heat for the dogs, etc. This isn't what we're talking about. What I would like to get to the bottom of is the "medical" benefits vs. risks of s/c, and if there are more benefits than risks, what is the best age to do it and does that age vary by breed. On the benefit side, we have huge reduction/almost total elimination of mammary cancer if done in time and threat of pyometra taken care of. We also eliminate testicular tumors, etc., etc., etc. Hopefully the exact numbers for all of these things can be posted as this thread grows. Then on the risk side we have increases in osteosarcoma and hemangiosarcome, urinary incontinence, possible bone issues, and the list goes on. There was a study done on rotties (haven't figured out who did it yet) that is a bit concerning. So if you have an information, for or against, that is based off of research (don't mean one vet's or person's opinion...), then please post it.
__________________ Crystal, Ellie May (RIP), Rylee Finnegan, and Gracie Boo🐶 |
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04-08-2010, 01:01 PM | #2 |
No Longer a Member Join Date: Jan 2009 Location: Maryland
Posts: 2,410
| Here are some of the articles in my file base that I found interesting and applicable to your queries.The first one on Rotties is the one I believe you are speaking of. Rottweiler study links ovaries with exceptional longevity Early Spay/Neuter: An Overview of early-age gonadectomy in dogs A population study of neutering status as a risk factor for canine prostate cancer The following was taken out of the text of a Rutgers University Masters Thesis under the doctrine of Animal Sciences, by Ms L J Sanborn: On the positive side, neutering male dogs eliminates the small risk (probably <1%) of dying from testicular cancer reduces the risk of non-cancerous prostate disorders reduces the risk of perianal fistulas may possibly reduce the risk of diabetes (data inconclusive) On the negative side, neutering male dogs if done before 1 year of age, significantly increases the risk of osteosarcoma (bone cancer); this is a common cancer in medium/large and larger breeds with a poor prognosis. increases the risk of cardiac hemangiosarcoma by a factor of 1.6 triples the risk of hypothyroidism increases the risk of progressive geriatric cognitive impairment triples the risk of obesity, a common health problem in dogs with many associated health problems quadruples the small risk (<0.6%) of prostate cancer doubles the small risk (<1%) of urinary tract cancers• increases the risk of orthopedic disorders increases the risk of adverse reactions to vaccinations On the positive side, spaying female dogs removes the very small risk (0.5%) from uterine, cervical, and ovarian tumorsif done before 2.5 years of age, greatly reduces the risk of mammary tumors, the most common malignant tumors in female dogs nearly eliminates the risk of pyometra, which otherwise would affect about 23% of intact female dogs; pyometra kills about 1% of intact female dogs reduces the risk of perianal fistulas On the negative side, spaying female dogs if done before 1 year of age, significantly increases the risk of osteosarcoma (bone cancer); this is acommon cancer in larger breeds with a poor prognosis increases the risk of splenic hemangiosarcoma by a factor of 2.2 and cardiac hemangiosarcoma by a factor of >5; this is a common cancer and major cause of death in some breeds triples the risk of hypothyroidism increases the risk of obesity by a factor of 1.6-2, a common health problem in dogs with many associated health problems causes urinary “spay incontinence” in 4-20% of female dogs increases the risk of persistent or recurring urinary tract infections by a factor of 3-4 increases the risk of recessed vulva, vaginal dermatitis, and vaginitis, especially for female dogs spayed before puberty doubles the small risk (<1%) of urinary tract tumors increases the risk of orthopedic disorders increases the risk of adverse reactions to vaccinations Hope this gives you some additional research. |
04-08-2010, 07:27 PM | #3 |
Furbutts = LOVE Donating Member Moderator | I sent you an article, but I don't think it contains any actual research info - it's' similar to what you captured in your first post though, and is very interesting . I will see if I can find more too, this is such an interesting subject. My sister cannot bring herself to neuter her 1.5 yr old male dog. She is a physician, and the more she thought about it and how important hormones are to our bodies, she just could not bring herself to do it. Luckily, he does not mark *at all*. Interesting on the risk of inc. hypothyroid...bc Wylie is hypothyroid.
__________________ ~ A friend told me I was delusional. I nearly fell off my unicorn. ~ °¨¨¨°ºOº°¨¨¨° Ann | Pfeiffer | Marcel Verdel Purcell | Wylie | Artie °¨¨¨°ºOº°¨¨¨° |
04-09-2010, 04:15 AM | #4 |
YT Addict Join Date: Nov 2009 Location: Europe
Posts: 259
| My 7-month old Sandy has started marking this week. I'd really like him to be neutered. He's around 3.3lbs and I'm so worried about him under anaesthesia. |
04-12-2010, 03:45 PM | #5 | |
And Rylee Finnegan Donating Member Join Date: Apr 2007 Location: Metro Detroit, MI
Posts: 17,928
| Quote:
I find it very interesting that these things aren't talked about when making the decision to s/c. Wondering if there are any studies underway now and if dogs are really better off altered.
__________________ Crystal, Ellie May (RIP), Rylee Finnegan, and Gracie Boo🐶 | |
04-12-2010, 03:47 PM | #6 | |
And Rylee Finnegan Donating Member Join Date: Apr 2007 Location: Metro Detroit, MI
Posts: 17,928
| Quote:
__________________ Crystal, Ellie May (RIP), Rylee Finnegan, and Gracie Boo🐶 | |
04-12-2010, 03:48 PM | #7 |
And Rylee Finnegan Donating Member Join Date: Apr 2007 Location: Metro Detroit, MI
Posts: 17,928
| Anesthesia is generally pretty safe if done by a qualified vet using a good protocol and the right preop testing has been done. You can read more about it in the YT Library.
__________________ Crystal, Ellie May (RIP), Rylee Finnegan, and Gracie Boo🐶 |
04-12-2010, 05:38 PM | #8 |
Action Jackson ♥ Donating Member Join Date: Dec 2008 Location: Maryland
Posts: 17,814
| Thx for posting the info, very interesting. However I don't think I'll ever own a dog unaltered.
__________________ ~ Brit & Lights! Camera! Jackson! CGC ETD TKP ~ Follow Jackson on Instagram: https://instagram.com/jacksontheterrier |
04-13-2010, 11:53 AM | #9 | |
Furbutts = LOVE Donating Member Moderator | Quote:
Cushings is thought to be genetic (and is now common to yorkies, btw ) - but what is the trigger? Atypical Cushings has to do w/ the intermediate sex steroids, so one can't help but wonder if somehow, neutering and the hormone alteration triggers an imbalance in the entire system that can later unlock the genetic vulnerability that was sitting there all along in the genetic code....
__________________ ~ A friend told me I was delusional. I nearly fell off my unicorn. ~ °¨¨¨°ºOº°¨¨¨° Ann | Pfeiffer | Marcel Verdel Purcell | Wylie | Artie °¨¨¨°ºOº°¨¨¨° | |
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