Why is it that altered dogs live longer?

Question

I am strongly pro neuter/spay. I understand the resons to do this. But why does it make them live longer or is this a myth?

Answer 1

Myth
If one looks close enough, one will find that neutering is one of those topics in veterinary medicine that is extremely biased: that is, most often one will find more emphasis placed on the pros of neutering with more often than not, very little or no discussion of the cons. Veterinarians, and responsible breeders as well, face a true dilemma when discussing neutering. The overpopulation crisis presents a very real concern with regard to the necessity of ownership responsibility. Prepubertal/early neutering or required neutering provides a means for vets/breeders to enforce owner responsibility by ensuring surgical sterilization of dogs not destined to be used in breeding programs. Again, this enforced neutering is typically presented along with a preamble of all the benefits that go along with neutering. However, I believe that breeders, if not veterinarians, need to begin questioning the ethics of this approach to prompt or require owners to neuter; especially in light of the facts that early neutering may not be as benign a process to the health of a dog as one would believe.

Yes, neutering prior to the beginning of estrus does reduce risk for mammary cancer in females, but it also significantly increases risk for urinary incontinence in bitches which predisposes these bitches to diethylstilbestrol (DES) dependency (Stocklin-Gautschi et al., J. Reprod. Fertile. Suppl. 57:233-6, 2001 and many other references)--in some instances, DES is not effective at controlling incontinence and will force some owners to elect euthanasia. Though with lesser risk compared to females, early neutering also increases risk of urethral sphincter incontinence in males (A. Aaron et al., Vet Rec. 139:542-6, 1996.)

With regard to cancer, spayed females have a 4 times greater risk for developing cardiac hemangiosarcomas (vascular tumors) compared to intact females (neutered males also show a significant increase in risk for these tumors compared to intact males) (Ware and Hysper, J. Vet. Intern. Med. 13:95-103, 1999.). Additionally, both neutered males and females have a 2-fold greater risk for developing bone tumors (osteosarcoma) compared to intact males and females (Ru et al., Vet J. 156:31-9, 1998.).

Some evidence suggests that early neutering may also predispose to endocrine disorders later in life (Panciera DL. J. Am. Vet. Med. Assoc., 204:761-7 1994.). Furthermore, there is also an indication that early neutering (because absence of sex hormones delays maturation of osteoclasts and thus results in delayed closing of the growth plates in the long-bones) may predispose to increased risk for various orthopedic disorders (such as cruciate ligament disease as I had mentioned in a previous post). Also, some evidence suggests that there is a correlation between increased time for growth plate closure and incidence of HD in Labs (Todhunter et al. J. Am. Vet Assoc., 1997).

http://www.littleriverlabs.com/neuter.htm

Answer 2

Many people love the idea of owning a dog but one thing that they have to keep in mind often times, is that the dog needs to be trained. While the pet may look heart-breakingly cute when it's in a shelter or at the pound, picking out the dog is only the first part of the relationship between dog owner and the animal. Many people don't understand that they have to put time and effort into socializing the dog.

An unsocialized dog will intimidate others, tear up the home, and will create an environment that can become so bad that the it will have to be returned. Many times when dogs have to be returned to shelters or to other resources, it will end up euthanized, which is very heartbreaking. All of this can be spared if a person learns the various techniques in order to socialize the dog.

One thing that they have to understand is that the he wants to be told what to do. It's in the canine nature to follow a leader. The dog will be more than willing to obey the leadership of its master. Here's a look at some common techniques that are used in dog training:

"Dog Whispering"

This is a technique that has been around for a while, but gained national notoriety over the last 10 years. Some people might hear this term and wonder how in the world whispering to a dog can train it! Whispering isn't meant to be taken literally in this case. As trainers have shown, whispering is a term that refers to connecting with a being or an entity on a very deep and almost spiritual level. When it comes to dog training techniques, dog whispering involves careful observation of the dog's behavior and actions.

It literally entails getting inside the mind and the behavior system of the canine. When a person uses dog whispering techniques, they interact with the dog on the canine level. Again, one the most common mistakes that people make is treating the dog like a small human being.

"Reward Training"

Reward training is very simple and it's one of the older tricks that works. This is a simple method of training the dog by positive reinforcement. Once he does what it is told to do, it receives a treat. How this works is that the dog owner must entice the dog towards the treat. Once the canine develops awareness for the treat, it develops a strong desire for it. When the desire for it is extremely strong, the dog owner pulls back. Then the dog receives a command and when the dog obeys the command, it receives the treat. The object is to make the dog associate a treat with the command.

"Clicker Training"

Other dog training techniques include one that is similar to reward training, which is called clicker training. How this works is that the clicker is incorporated to get the dog's attention. The clicker is clicked as a form of communication with the dog. It learns that there is a command or reward associated in conjunction with the clicker. Many people claim that this is fun, and they actually make a game with the dog by using the clicker for their dog training tasks.

"Ultrasonic Whistle"

Last, a relatively new form of dog training technique is called the ultrasonic whistle. This works because the ultrasonic sound is only heard by the dog. When the owner is trying to communicate a command, or stop the dog from barking, they will blow on their whistle when they want to communicate a command to the dog. The benefit of this is that the humans can't hear this noise, but the dog can hear it, and they will learn to associate the sound with a command.

Dog training techniques aren't hard to incorporate, but they are something that absolutely must be incorporated from the time a dog owner brings their new dog home. No matter how old or how young the dog is, they will need training. Once they are trained properly, they will be a wonderful addition to one's family.

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Answer 3

I think the fact that altering a dog is part of a pattern of responsible ownership is a HUGE factor. IE: Junkyard dogs that live a few years tied to a tree or running all over thaneiborhood till the day they mis judge the oncomming truck frequently don't have owners who care enough to put out the $$ for an alter. Likewise owners who will pay for an alter will treat ailments therefore lengthening the dogs life....

Answer 4

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RE:
Why is it that altered dogs live longer?
I am strongly pro neuter/spay. I understand the resons to do this. But why does it make them live longer or is this a myth?

Answer 5

altered animals have less chance of issues that come with an un-altered pet. females are prone to mamory(spelling?) tumors and uterine issues. Males tend to have testicular cancer issues and urinary tract issues. As they get older these issues become more of an issure. I had an intact male boxer that had alot of urinary issues and issues with his penis and testicles. Infections and what not...he was about 8 when all of it started. We didn't have him altered due to the fact we got him when he was about 7 and he had been mistreated neglected and abused...he had quite a few health issues and he had been put under for the removal of some tumors and we almost lost him. So we didn't want to risk putting him under again due to his age and problems with anesthsia. But it isn't really a myth that altered pets live longer...its simple logic...if they aren't altered and are prone to the issues mentioned above of couse they have less of a chance to live longer.

Answer 6

This is not a myth. You take away the ability for them to get certain cancers and infections.
Female can benefit from spaying by reducing the incidence of uterine, mammary, ovarian cancers and uterine infections such as pyometria-deadly and mastitis-(breast infection)- serious
Males reduce the risk of prostate and testicular cancer
When you reduce the risk of these things then they will live a longer and happier life.

Answer 7

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Answer 9

I think it's just from statistical research. There's no clear reason, except maybe that neutering can also decrease or eliminate the risk of hormone-driven diseases such as mammary cancer.

Answer 10

It reduces the risk of certain cancers.