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Pet Forum / Mammals / Rats / July 2006



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Mammary tumors

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Summit - 24 Jul 2006 23:04 GMT
Since mammary tumors seem to be fairly common in rats, I'm hoping some of
you can answer some questions about them.
Does everyone agree that they need to be removed, or are there some
circumstances when they should be left alone? How risky is tumor removal and
what is the chance for recurrence? Also, what is a reasonable price to
expect to pay for such a procedure and how long/difficult is the recovery
period for a rat of about 20 months?

Thanks,
Laurie
Mark Tomlinson - 25 Jul 2006 03:04 GMT
In younger rats, we have them removed.  Period.  But in our old ladies, like
our Matty, we will watch it for a while and then get the Vet's opinion if
the lump appears to be affecting the quality of life.  It's a chance you
take with the old ones; they may die during surgery, but that may be better
than letting it go until it's inoperable.

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Mark Tomlinson
"I'm not a trouble maker; I am a catalyst for change."

> Since mammary tumors seem to be fairly common in rats, I'm hoping some of
> you can answer some questions about them.
[quoted text clipped - 6 lines]
> Thanks,
> Laurie
Joanne - 25 Jul 2006 04:05 GMT
> Since mammary tumors seem to be fairly common in rats, I'm hoping some of
> you can answer some questions about them.
[quoted text clipped - 6 lines]
> Thanks,
> Laurie

Mammary tumors are almost always benign tumors. But they suck the life
out of the rat.
When one mammary tumor pops out, it's almost certain more are going to
follow, but not always.
The best prevention to mammary tumors is having your female spayed at a
very young age.
Considerations for a removal: a very good knowledgeable vet and a
healthy rat.
I get all my female rats spayed. Some get spayed young like 5 weeks and
others get spayed old because I take in rescues. I've had some spayed as
old as 21 months. If you go ahead with a tumor removal, I would suggest
doing a spay at the same time. Yes, early spay is much better but I've
noticed that a spay in later months also prevented growth/recurrence in
most of my females.
Recovery in a young rat is fast... in an older girl like 20 months, I
would say 3 to 5 days.
If choosing a tumor removal with or without spay ask for pain
management: metacam, she will most likely need it and will help speed up
her recovery.
I hope this helps, if you have anymore questions please ask away, I've
had tons of spays/neuters/tumor removals done, male and female.
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Vanessa - 25 Jul 2006 20:48 GMT
I have to agree with Joanne, to do a preventative spay where possible.
Really, it ends up being much cheaper in the end and not only lowers
mammary tumour instances, but also pituitary tumours (which are also
hormone affected and are inoperable).
I would only opt to NOT remove a mammary tumour in a rat that was so
unwell that they stand a very good chance of either dying during
surgery, or will spend the rest of whatever short time they have in
agony recovering.  I would also take into account how much time I
thought they would have, and if the tumour would affect what time they
had left.
I had one girl who had three mammary tumours.  The first one I had
removed, and she was spayed, at around 22 months old.  She bounced back
with no problems at all.  The second was also removed at around 25
months, which she took a bit longer to recover from.  Then at around 29
months, a third developed that I opted to not have removed because her
health had deteriorated considerably since the second removal.  It
never had a chance to grow large enough to affect her quality of life.
When she passed away, from respiratory disease, the tumour was about
double the size of a big grape (maybe a bit smaller, it is hard to
remember), and it did not impede her in any way.
My vet charges around the $200cdn mark for spaying.  Maybe a bit less,
I can't really remember.
On a 20 month old rat that was in good overall health, I would not
hesitate to do the surgery.  She still has the potential of many months
of quality life.

> Since mammary tumors seem to be fairly common in rats, I'm hoping some of
> you can answer some questions about them.
[quoted text clipped - 6 lines]
> Thanks,
> Laurie
Mark Tomlinson - 26 Jul 2006 05:19 GMT
I do want to add a couple of other points.  (Remember, we are talking about
an elderly rat.)  The vet will let us know if the tumor is imbedded in
tissue or not.  If the tumor is imbedded, then we most certainly do not put
the rodent's life on the line because the surgery will be long and difficult
and recovery will be longer or not at all.  Be prepared to make the
difficult "quality of life" decision when the tumor grows to become a
hindrance.  Many tumors, however, appear just below the skin and can be
removed with minimum intrusion.  In these cases, our vet recommends the
tumor should be removed while still small and before it becomes imbedded.

I agree with spaying young females as preventative medicine.  However, it is
costly (you are paying for the complexity of the operation, so smaller
usually costs more) and requires a good vet who has works with rodents
often.  This may - regrettably - be beyond the means of many rat owners and
risky if the vet is not a good "rat doctor".  We have a very good vet and
the means to pay for the operation, so we have it done

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Mark Tomlinson
"I'm not a trouble maker; I am a catalyst for change."

>I have to agree with Joanne, to do a preventative spay where possible.
> Really, it ends up being much cheaper in the end and not only lowers
[quoted text clipped - 33 lines]
>> Thanks,
>> Laurie
Michael Rozdoba - 26 Jul 2006 13:57 GMT
> I agree with spaying young females as preventative medicine.  However, it is
> costly (you are paying for the complexity of the operation, so smaller
> usually costs more) and requires a good vet who has works with rodents
> often.  This may - regrettably - be beyond the means of many rat owners and
> risky if the vet is not a good "rat doctor".  We have a very good vet and
> the means to pay for the operation, so we have it done

I'm interested in exploring this further, but my wife isn't keen, partly
due to the risk of the op but mostly I think as she feels it isn't fare
on the rat to take away a core part of what makes them who they are (my
words, but I think that's the sentiment). That's not a criticism of
anyone here, just another person's feelings.

Can anyone help convince us otherwise? I don't want to play god other
than when necessary, but we all know how horrible it is to watch them
die & as that's usually down to tumours or respiratory problems,
anything to reduce one needs to be considered.

We're at our vets again in a couple of hours so we'll get her opinion
too. Hopefully Mea's bandage comes off today, though I'm worried it has
caused some tissue damage, perhaps a combination of a bed sore type
injury & the bandage being stuck to & pulling on the skin.

Thanks.

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Michael
m r o z a t u k g a t e w a y d o t n e t

Joanne - 26 Jul 2006 14:39 GMT
>> I agree with spaying young females as preventative medicine.  However,
>> it is costly (you are paying for the complexity of the operation, so
[quoted text clipped - 20 lines]
>
> Thanks.

When I first started out with rats, I had all males but my sister had
all females. She had 13 rats. By the time half reached 20 months, they
had tumors. My sister was devastated. We talked to our vet and she
recommended removal and spay. So my sister had all 13 rats spayed and
those with tumors, had them removed. The rats were 15 to 21 months old
at the time. Out of 13, only two had a recurring mammary tumor.
A tumor removal cost us $350 while a spay is $240, not only is a spay
cheaper but it also gives our rats a better life and also decreases the
chance of pituitary tumors.
My mom adopted four girls at a very young age, had them spayed and today
they are 15 months old and still no tumors. She then rescued 5 females
ranging in age of 3 months to 12months. All were spayed and still no
tumors.
I myself have had 3 females spayed at about 9 months old, two have died
of myco at 24 months while the third is still with me at 28 months, all
no tumors. I also have 3 females that are now 16 months old and were
spayed at 6 weeks, no tumors as of yet. I rescued 2 females, had them
spayed at 18 months old, they are now 26 months old and still no tumors.
So for me, the numbers speak volume.
My vet is also an excellent exotic vet and I trust her completely.
I've had some of my males neutered. Taking away their reproductive
capabilities does not take away from them, in fact it gives them renewed
life. My males that were neutered due to hormonal stress have become the
perpetual baby rat, popcorning and happy all the time.
Same with the females, before the spay, I had a couple that was somewhat
nippy and territorial, after the spay they became happy and docile.
Hormones create anxiety and stress. There's nothing wrong in helping
them overcome it.
Also... as far as invasive procedures, my male rat Tripp had a malignant
tumor in bedded in his side muscle. At 23 months, it was removed, some
muscle had to be cut away. Tripp came out of it great, hardly any
recovery time and lived to be 30 months old.
My mom had a rat develop a carcinoma on his leg at 24 months old. Three
times it was removed. And finally the leg amputated. After surgery, the
very day, Sven wanted out of his hospital cage and tried to go
exploring. He was fast and agile on his three legs. He lived in a huge
multilevel ferret cage with 4 cagebuddies and Sven remained the alpha.
He died of heart failure at 32 months.
If a female rat enters my home, she will be spayed unless she has some
respiratory issues. I will do anything to prolong their life.

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Joanne
Owned by 22 rats.
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-------------------------------------------------------
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Vanessa - 26 Jul 2006 15:20 GMT
Mammary tumours are, the majority of the time, benign and will not be
attached to any organs or bone.  They are within the mammary gland,
self contained within a membrane, and are basically 'floating' around
inside the body cavity.  Removal is fairly easy, especially if the
tumour is relatively small.  When they have become huge, they do
interfer with other parts of the body, especially muscles, nerves and
tendons and whatnot, and do become more difficult to remove.
I remember a female that my friend took into her small rescue, she had
an enormous mammary tumour under one of her back legs, in the groin
area.  It was allowed to go so long that she was not able to move the
back leg that it had developed under.  My friend had the tumour
removed, and even then it took her a very long time to get fairly
normal usage from that back leg because all the muscles, nerves and
tendons had been stretched out so badly.  For many weeks after the
surgery, the little girl dragged that back leg behind her until she
could work the muscles and nerves again.  Tumours should never, ever be
left that long before they are removed, that is cruel.  She eventually
recovered and lived out her life with her neutered boyfriend.
Chances are, if you have a tumour that is attached to bone and/or
organs, it is something other than your typical benign mammary tumour,
which is really more of what is being discussed.  Chances are that it
is a malignant tumour and something a lot more serious, and in some
cases inoperable.  Tumours that are more aggressive, attaching
themselves to other tissues have to be taken on a per tumour basis as
far as deciding what action to take.
Again, the cost factors are really a no brainer as far as spaying vs
tumour removals are concerned.  My vet will do a spay for around $200,
but a tumour removal starts at about $250.  And that is a start cost
only, the bigger the tumour, the longer the surgery, the more anethesia
required, and the higher the cost.  Plus, if you are removing one
tumour, chances are that you are going to remove at least another
before the rats health is an issue.
I just want to point out one other thing that has not been brought up.
Although females have much, much higher instances of mammary tumours,
it is not unheard of for males to get them as well, although it is
rare.  Again, the tumours are benign and are easy to remove if done
fairly early.  I have had those types of tumours removed from male
rats, and I have an older male right now that has one on his side,
close to his belly.  Unfortunately, he is not well and would probably
not do well in surgery, so I have opted to keep an eye on it and not do
surgery at this time.  It is very small, and not seeming to be growing
that much, and considering his health, will probably not impact his
quality of life.  Where I have had them removed from my males, the
procedure was very successful and they have recovered very easily.  I
even have one in a jar of formaldehyde at home.

> A tumor removal cost us $350 while a spay is $240, not only is a spay
> cheaper but it also gives our rats a better life and also decreases the
> chance of pituitary tumors.
NRen2k5 - 26 Jul 2006 15:44 GMT
> When I first started out with rats, I had all males but my sister had
> all females. She had 13 rats. By the time half reached 20 months, they
[quoted text clipped - 5 lines]
> cheaper but it also gives our rats a better life and also decreases the
> chance of pituitary tumors.

How does one afford to have 13 rats spayed? :o

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Joanne - 26 Jul 2006 17:26 GMT
>> When I first started out with rats, I had all males but my sister had
>> all females. She had 13 rats. By the time half reached 20 months, they
[quoted text clipped - 7 lines]
>
> How does one afford to have 13 rats spayed? :o

Line of credit... lol

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bevluvsrats - 26 Jul 2006 19:41 GMT
Ok, I'm quite late coming into this one, but I can't sit back and say
nothing because this is something I know a LOT about.

Ok, first of all, DO NOT spay, there is NO hard evidence to support the
theory that it prevents tumours, and if it did, it would only prevent
hormone dependent tumours, many mammary tumours aren't hormone
dependent. Spaying is an EXTREMELY invasive procedure, one layer of
skin, plus fat and muscle has to be incised in order to even get into
the body cavity, meaning internal stitches as well as external, meaning
a higher possibility of irritation and infection. Rats are known to
react badly to internal sutures.

If wanting to spay to have a rat live with the opposite sex, I'd always
suggest castration instead because castration is simpler, quicker, and
far less invasive as long as it's done through the scrotum rather than
the abdomen, that's a technique which should never be used in rats.

But I digress...

In almost 7 years, I've had countless rats with tumours of all kinds,
rarely malignant, and the majority of them have been removed, right up
into the rats later life, I believe I've had a tumour removed when a
rat was approaching 3 years old, she survived the surgery (I've never
lost a rat under anaesthesia) and recovered perfectly well.

Pain medications such as Metacam can be used, but with caution in older
rats, and never in rats with suspected kidney problems because it can
cause further impairment. If when using Metacam you rat has blackened
stools, discontinue use immediately.

I would always say that yes, prevention is better than a cure, so after
any tumour removal, a maintenance dose of Mycoplex Coriolus with or
without shark cartilage should be given for the rest of the rat's life.

Also a full dose is good to try on older rats who have developed
tumours, it can only shrink tumours with a healthy blood supply, but
I've had a great deal of success with using it, either the tumour slows
down, stops growing, or is forced into remission and eventually turns
into an abscess which is drained and heals up with antibiotics.

Any interested parties can view my document about it here:

http://www.freewebs.com/miscrats/howtotreatatumour.htm

That page is image-free, but the rest of my site does show such things
as tumours after removal and is quite graphic, but the document I've
linked to is fine.

Basically, if considering surgery, you need an experienced vet. Tumour
surgery isn't rocket science (I've done one myself, post mortem),
unless, in extremely rare cases, the tumour is surrounding veins or
arteries, or is attached to an organ. The vet won't be able to tell for
certain until the rat is opened up though, X rays won't show anything
worthwhile, so don't be caught with that.

Considerations are: what type of anaesthesia the vet will be using,
never allow injectibles, always have gas, never halothane, always
either Isofluorane or, even better, Sevoflourane which is the safest to
use, but somewhat more expensive. Worth the extra money to ensure your
rat stays safe though. Whenever I've had rats have surgery with low
level lung damage, my vet always uses Sevoflow and I've never had any
problems.

That leads me to another consideration, general health of the rat. If
your vet isn't happy operating because of rattly lungs or something,
that's fine, but ask that the chest problem be treated and schedule
surgery for after the course of treatment is finished. Age isn't a
factor, health is more important. I've had rats reach 3 years old who
are as healthy as a youngster.

I'm in the UK, my vet charges £15 for a buck castration (approx $30),
about £30 for a doe spay (approx $60) and I believe, depending on any
complications that may arise, between £40 and £50 for tumour removal
(which is around $100).

In my opinion, too many American vets are in it just for the money and
seem to charge ridiculous prices and fail to justify their prices when
people have confronted them.

Bev x
Vanessa - 26 Jul 2006 20:24 GMT
As I will gladly agree that spaying is a very invasive procedure, in
all animals not just rats, and that it should be treated with the
seriousness that it deserves, I cannot agree with your below statement.
Both Joanne and her family have had many rats, and I mean MANY between
them.  If Joanne is reporting almost 0% instance of rat tumours
occuring between her and her family, when so many people report mammary
tumours in females, I would very much consider that a great deal of
hard evidence to support spaying at a young age.
I can offer my limited female experience to two females out of almost
50 rats in my life, and both developed tumours and neither were spayed.

Maybe you should reread Joanne's post, as she goes into a great deal of
detail regarding when they have done the procedure, how many of their
females used to get tumours before their spaying policy, and how many
have gotten tumours since they began to spay all of them.

there is NO hard evidence to support the theory that it prevents
tumours, and if it did, it would only prevent hormone dependent
tumours, many mammary tumours aren't hormone dependent.
bevluvsrats - 26 Jul 2006 22:23 GMT
> As I will gladly agree that spaying is a very invasive procedure, in
> all animals not just rats, and that it should be treated with the
[quoted text clipped - 6 lines]
> I can offer my limited female experience to two females out of almost
> 50 rats in my life, and both developed tumours and neither were spayed.

But where is the evidence to suggest that those rats would ever have
gotten tumours anyway? Not all rats do, and in my experience even rats
from genetic lines with many tumours in them, don't always develop
tumours. That's my point, until there is hard evidence to suggest that
the spayed rats would DEFINITELY have developed tumours without being
spayed, then the risk of complications during spaying surgery is too
great.

Tumour removal is a MUCH less invasive procedure, much less painful,
much faster and much easier in about 90% of cases, the more difficult
tumours to remove are those left to grow, or thise which grow in or
around organs, so I see no sense in subjecting a young animal to what I
would consider unneccesary surgery. Having a doe spayed at the same
time as having a tumour removed in that area would be better, but of
course at that time, if the tumours have developed as a result of
hormones, then they'll be in the system and still causing the tumours.

I would like to stress that rats will still be very prone to fatty
benign tumours whether spayed or not, and these are often fast growing
and will quickly cause problems and will have to be surgically removed.
They can be more nasty than the malignancies because of their rate of
growth.

I still maintain that a far better way of preventing tumours is by
giving Mycoplex Coriolus with or without Shark Cartilage.

I've had many rats myself, all from different lines, different
breeders, different backgrounds, spayed and unspayed, and there is
nothing in my own experience to suggest that spaying is worth putting
the animal through such a procedure.

Bev x
Michael Rozdoba - 26 Jul 2006 22:25 GMT
> I would always say that yes, prevention is better than a cure, so after
> any tumour removal, a maintenance dose of Mycoplex Coriolus with or
> without shark cartilage should be given for the rest of the rat's life.

> http://www.freewebs.com/miscrats/howtotreatatumour.htm

Very interesting.

Note your url for a uk source is now not found. I think the correct
version is currently
http://www.naturalpetcare.co.uk/petshop/product_info.php?products_id=233

Can you check this & confirm? I can't see a value for the
concentrations, though they give a dosage of 1/4 tablet every other day
for rats. I've contacted them for info on concentration per tablet.

I'd be interested if you can confirm their dosage too or suggest otherwise.

> I'm in the UK, my vet charges £15 for a buck castration (approx $30),
> about £30 for a doe spay (approx $60) and I believe, depending on any
> complications that may arise, between £40 and £50 for tumour removal
> (which is around $100).

I see you list one rat savvy vet in the UK - I assume in your area. Can
anyone make any recommendations in the Sunderland area of the North East
of England? We're generally very happy with our vet, but it can't hurt
to look for others with greater experience.

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Michael
m r o z a t u k g a t e w a y d o t n e t

Michael Rozdoba - 27 Jul 2006 11:35 GMT
>> I would always say that yes, prevention is better than a cure, so after
>> any tumour removal, a maintenance dose of Mycoplex Coriolus with or
[quoted text clipped - 11 lines]
> concentrations, though they give a dosage of 1/4 tablet every other day
> for rats. I've contacted them for info on concentration per tablet.

Those are the 500mg tablets, so they're advising half the dosage you
suggest. How did you arrive at your dosage?

> I'd be interested if you can confirm their dosage too or suggest otherwise.

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Michael
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Joanne - 27 Jul 2006 03:25 GMT
> Ok, I'm quite late coming into this one, but I can't sit back and say
> nothing because this is something I know a LOT about.
[quoted text clipped - 76 lines]
>
> Bev x

According to my very knowledgeable vet, they do have the stats to back
up the spay debate.
I do admit though that female rats in the UK don't seem to get as many
tumors as our American rats. Don't know why that is... But the fact
remains in America, 80% of females will develop a mammary tumor. If
spayed young, only 4% of rats will develop tumors.

I've tried the Mycoplex on three different rats, 2 females and 1 male,
two at a the beginning stage of a tumor and 1 at the middle stage.
Mycoplex with shark cartilage had not effect whatsoever on the tumors.
I would have loved for it to work. If it did, all my rats would be on
it. But for now, what works for us are the spays.

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Owned by 22 rats.
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NRen2k5 - 27 Jul 2006 05:23 GMT
>>> When I first started out with rats, I had all males but my sister had
>>> all females. She had 13 rats. By the time half reached 20 months,
[quoted text clipped - 10 lines]
>
> Line of credit... lol

I imagine!

Now *that's* love!

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Michael Rozdoba - 26 Jul 2006 21:43 GMT
> I've had some of my males neutered. Taking away their reproductive
> capabilities does not take away from them, in fact it gives them renewed
[quoted text clipped - 4 lines]
> Hormones create anxiety and stress. There's nothing wrong in helping
> them overcome it.

I don't dispute any of your experience or even what you've written
above, but... the above is kind of at the core of why I think many
people prefer not to engage in these sort of modifications.

For the good or bad, they will involve a personality change, due to
altered hormone levels. I don't mean to draw silly, extreme & ill
conceived parallels, but such measures can be taken with all animals
including humans & at times this is done, by chemical or surgical means,
for personal, medical or social reasons, sometimes without consent. It
does indeed produce the results you describe.

I guess at heart I'm just saying I'm uneasy doing something to an animal
that I wouldn't want done to myself or my family members, were they
unable to consent.

Of course in reality we have to make similar decisions often in respect
of pet care & one could argue if one is keeping a single sex non
breeding colony, one is already imposing a very unnatural & restrictive
lifestyle on the animals.

I don't know.

For myself I'll have to give this a lot more thought.

Thanks for your account. Always appreciated.

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Michael
m r o z a t u k g a t e w a y d o t n e t

Joanne - 27 Jul 2006 03:32 GMT
>> I've had some of my males neutered. Taking away their reproductive
>> capabilities does not take away from them, in fact it gives them
[quoted text clipped - 31 lines]
>
> Thanks for your account. Always appreciated.

I was watching a program on Animal Planet. The Pony was an angry pony,
wouldn't let people go near him, always charging and kicking. It was
found out that he had a heart murmur, it rated 5 on a scale of 1 to 5.
The vet was sure it would not survive but said his best chance would be
a neuter.
To everyone's surprise, the pony became a happy, stable and friendly
pony. The owner's daughter was able to feed him and play with him.
If that's the kind of personality change it will bring on in animals...
then that's more of a reason to do neuters and spays.

BTW, my dad, my husband, my brother in law have been "fixed" and my mom
has had a hysterectomy... no personality change, no feelings of being
inadequate or unworthy of being a human being.

Just food for thought. :)

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Owned by 22 rats.
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NRen2k5 - 27 Jul 2006 05:26 GMT
> BTW, my dad, my husband, my brother in law have been "fixed" and my mom
> has had a hysterectomy... no personality change, no feelings of being
> inadequate or unworthy of being a human being.

Not really the same thing, though... *shudders*

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Michael Rozdoba - 27 Jul 2006 11:58 GMT
> I was watching a program on Animal Planet. The Pony was an angry
> pony, wouldn't let people go near him, always charging and kicking.
[quoted text clipped - 5 lines]
> it will bring on in animals... then that's more of a reason to do
> neuters and spays.

:)

I understand what you're saying, but...

> BTW, my dad, my husband, my brother in law have been "fixed"

While I will probably have a vasectomy at some point in my life, that's
a /totally/ different procedure to a castration. There are plenty of
cases of men choosing castration for various reasons, so if you want to
know more about its effects, the data's available. Also you might like
to look up the history of the Castrato (briefly, castration of boys
before reaching puberty to ensure a unique singing voice - it went on
until the late 1800's. See http://en.wikipedia.org/wiki/Castrato. This
by design produced major physical & psychological developmental changes).

> and my mom has had a hysterectomy...

I know much less about how a hysterectomy differs from a spay & little
about hysterectomies, however I have encountered a range of accounts on
the impact of a hysterectomy on the individual. Google also suggests
there are arguments & experience for both sides of the claim that it can
alter personality & libido, so the answer is unlikely to be cut and dried.

> no personality change, no feelings of being inadequate or unworthy of
> being a human being.

I'm glad that's you family's experience.

As to the latter point, I'd probably be concerned about these procedures
even if it was guaranteed the individual would be 'happy' with the
results afterwards. That wouldn't rule out the possibility that the
individual hadn't been changed in a dramatic way which, if they were
able, they might not have chosen /before/ the process.

Not that I'm comparing the procedures, but for illustration of my
general point, lobotomies were performed into the 1950s
(http://www.ship.edu/~cgboeree/lobotomy.html) and many lobotomy patients
wouldn't have dreamed of complaining about the process, afterwards.

> Just food for thought. :)

Food always welcome :)

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Michael
m r o z a t u k g a t e w a y d o t n e t

NRen2k5 - 27 Jul 2006 22:49 GMT
> I know much less about how a hysterectomy differs from a spay & little
> about hysterectomies, however I have encountered a range of accounts on
> the impact of a hysterectomy on the individual. Google also suggests
> there are arguments & experience for both sides of the claim that it can
> alter personality & libido, so the answer is unlikely to be cut and dried.

A hysterectomy is the removal of the uterus, leaving the ovaries. A spay
is a removal of both uterus and ovaries.

The ovaries are responsible for sex hormones in women.

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Michael Rozdoba - 28 Jul 2006 00:16 GMT
>> I know much less about how a hysterectomy differs from a spay & little
>> about hysterectomies, however I have encountered a range of accounts on
[quoted text clipped - 7 lines]
>
> The ovaries are responsible for sex hormones in women.

Ah, so there is the same difference, more or less, between a
hysterectomy & a spay as there is between a vasectomy & a
castration/neuter. Thanks for the info.

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Michael
m r o z a t u k g a t e w a y d o t n e t

Michael Rozdoba - 26 Jul 2006 21:32 GMT
[spaying]

> I'm interested in exploring this further, but my wife isn't keen, partly
> due to the risk of the op but mostly I think as she feels it isn't fare
> on the rat to take away a core part of what makes them who they are (my
> words, but I think that's the sentiment). That's not a criticism of
> anyone here, just another person's feelings.

Thanks for all the responses, which clearly warrant careful consideration.

Unfortunately, our current vet doesn't do many spays in small furries,
so if we want to consider this in the future we'd first need to find
another vet. I'll bring this up with local breeders to get their views
when I next get the chance.

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Michael
m r o z a t u k g a t e w a y d o t n e t

 
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