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Dr. Coates is a veterinarian based in the other “Sunshine State” – that's Colorado to the rest of you – where she lives and plays with a varied range of animals. She shares her professional and personal experiences, Monday through Friday, here on petMD's blog, the Fully Vetted. Log in for your daily dose of her insight and wisdom.

 

Obesity is No Excuse Not to Neuter

March 30, 2010 / (13) comments


“I know his prostate’s as big as my head but...”


“I know she’s got a pus-bag for a uterus but...”


“…let’s not neuter him or spay her since everyone knows it makes them fat.”


Yes, it’s true. Even during the direst of reproductive emergencies, when removing the diseased organs might seem like a foregone conclusion (testicular torsion, pyometra, etc.), I will typically have to devote some of my time to defending the need for a spay or neuter.


Sometimes the reluctance is because my patient is an athlete or breeding animal. Other times it’s because the owner is cognizant of some pretty good reasons to keep his or her dog intact (consider a recent study on lengthier lifespans for intact female Rottweilers). And I appreciate these reasons. I do. But when a devastating disease intervenes, these rational people will almost always say, “OK, doc. That makes sense. Spay her.”


Not so for one other pet owning varietal: the client who will always refuse a spay or neuter. Not on moral grounds, function-based pragmatism, or for specific health concerns, but because ... “God forbid she gets fat.”


Such was the case with two of my patients this week. Consider a Rhodesian ridgeback with a testicular mass. One of his two owners had to be cajoled into accepting the procedure. Actually, dragged kicking and screaming into accepting it is more like it.


Her: “But I can’t stand the thought that Killer will get fat!”


Me: “Ummm ... have you looked at him lately?"


There's a saying about horses and barn doors that's apropos here. I mean, I think it’s a little too late to claim obesity prevention as an excuse when the dog’s already big as my pregnant doe. If it really bothered her so much before this, then what’s with all the excess poundage I’ve been carping about over the last five years?


Then there’s the dog with the mammary tumors. Sure, they’ve all been benign so far, but is that any reason to allow her ovaries to continue to produce the hormones we know will pave the way for more of the same? Ovary removal (accomplished as part of the spay procedure) has been proven to reduce the stimulation to the mammary tissue that makes for more frequent, and potentially malignant masses. Dogs and cats with mammary tumors? It’s one really good reason to sterilize. This is what our current research dictates, anyhow.


But if you’re anything like her owner, you’ll continue to decline the ovariectomy or ovariohysterectomy I’ve offered. And your rationale will always be the same: “She’ll pork out.”


In case you’re wondering, weight gain is the reason people most often cite for refusing a neuter, whether their pets are sick with something reproductively challenging or not. And ordinarily, I’ll be the first to agree that keeping a trimmer figure is easier when the pet is intact. Indeed, weight management is one of the reasons that probably led to the finding I referenced earlier: longer-living intact female Rotties. Because keeping big dogs lean means fewer life-threatening orthopedic maladies.


But just because your pet’s been sterilized is no reason to throw up your hands or throw in the towel. After all, weight gain is NOT a given. It only happens when WE let it. This we know for sure.


Luckily, I’ve got a great example always at the ready. My three-year-old neutered Frenchie, Vincent, is always at work with me so that I can show him off at the first sign of the impending, “What about the fat thing?” 

 

If anything, Vincent’s more likely to be accused of being too thin than too bulky. And he’s a Frenchie — a breed notorious for its plump potential. Here's my son sleeping with "his dog" while waiting for the early morning school bus:

 

 

For the record, I neutered Vincent for a classic health reason: aggression. Otherwise, I might have waited. Why? Because I'm not the type of veterinarian that demands that all my patients be spayed and neutered as a matter of course. Yet when they NEED the surgery, I'm not about to accept the weight thing as an excuse.

 

Come up with a better one, I say. You'll have to do more than that to prove your pet should keep his or her parts.

 

 

Dr. Patty Khuly

 

 

Art of the day: "fat dog leaning on the wall while walking slowly" by Russell Bernice.

 

 

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COMMENTS (13)
1
Weight and Spaying/Neutering Young
by on 03/30/2010 09:03am

Dr. Khuly,

I was wondering what effect neutering at a very early age has, I remember recently seeing an article online about neutering/spaying at an early age at least in male dogs seems to lead to lankier frames with smaller heads and thinner chests, overall a thinner dog. Is there any truth to this? I can't remember for the life of me where I saw the article but I do think this may be the case with my dog who was neutered when he was only just barely 4 months because he had a benign hystocytoma that needed to be removed and rather than put him under anesthesia twice his vet suggested doing both at once.

Anyway, is there a difference in the weight issue when a pet is neutered/spayed as an adult or adolescent or at an even younger age?

2
by on 03/30/2010 12:10pm

I am amazed that a vet will remove a benign tumor that "cures itself" in most cases..most 'histios' go away with time.. and if they become ulcerated they can be treated topically. I do understand that some may be in places that irritate the dog.. or where they are constantly irritated .. but almost all if left alone will disappear.. I hope yours was one that actually needed removal.. or that it was your choice to remove it. There are many articles that address the issue of early castration .. and the side possible side effects. I agree with Patty her... weight management is only that.. no matter if the dog is castrated or not... However.. bone formation and muscle mass is affected by "too" early castration for both males and females. But any major surgery should be discussed weighing pro and cons.. with he paying client.. and the vet.

3
by on 03/30/2010 12:35pm

I have read the studies on early spay/neuter and definitely advocate waiting as long as possible for a healthier dog. But at the same, this does not fit with everyone's life style, especially city living folks who might send their dogs to daycare or out with a dogwalker. I waited until 22 months for my male cocker because we are training for agility competition and I wanted to make sure he was grown. I am happy to report, he gets the exact same amount of exercise and I feed him less now and he hasn't gained a pound. When he was intact, he ate 1/2 as much in addition. No excuses - you can keep a dog fit even without its parts - just like I have seen fat puppies and fat intact adults.

4
by on 03/30/2010 12:41pm

Alice,

The tumor was continuously bleeding and he kept scratching it as well. Although it is conceivable I was dooped, my first dog and I no longer see this vet because of a later misdiagnosis. My dog is completely fine though, so at the very worst all I lost was money.

Anyway, I was just curious about the physical changes, I since my Shepherd Border Collie Mix's body seems to fit the description of narrower chest and smaller head, etc. If I'm not mistaken the recommended age is 6 months.

That's interesting that you mentioned bone formation and muscle mass though. Perhaps I misread and confused less muscle mass for less weight. Thanks for the information!

5
Thank you for saying this out loud and in public
by on 03/30/2010 12:45pm

"And ordinarily, I’ll be the first to agree that keeping a trimmer figure is easier when the pet is intact."

This gets swept under the rug far too often. Yeah, sure we humans can control the dog's caloric intake and exercise, but in keeping a dog or cat at the proper weight we can often be left with a hungry, perpetually food scavenging, food-obsessed animal. Not always, but certainly often enough that the folks "in the know" really ought not to deny it.

6
by on 03/30/2010 01:18pm

Obesity is the excuse we used to avoid spaying our family Cocker Spaniel. Then I went to tech school and when the Cocker was around 6 I tried to convince my mom to spay, citing pyo and mammary cancer as risks. We never bred her, and we never intended to so it just made sense. My mom refused.

Fast forward a couple of years and I get a frantic phonecall, my mom in tears that the dog was at the vet with a pyo- she needed emergent surgery, might not make it and it was going to cost a lot.

It took all my might to hold the "I told you so" back.

So the dog got spayed, then got fat. I guess spaying in combination with daily McDonalds Cheeseburgers WILL make a Cocker fat! Who'd a thunk it?

7
by on 03/30/2010 01:25pm

My current dog was spayed around 10 months (I'm guessing, she's from the shelter). We were active, I fed her a healthy diet and she never gained a pound post spay.

Now she is five and we've added two babies to our family. She gets less exercise and my three year old shares a lot of meals with her. Needless to say she's put on a few, but the bonding that is occuring between her and my daughter is worth every ounce:)

8
by on 03/30/2010 02:54pm

Yes, an intact dog has an easier time staying trim, however, they can only eat what is put in front of them. I have only had spayed and neutered dogs, never had a fat one, since I own a measuring cup and am not afraid to use it. I have also handed out lots of cups (freebies from Hill's), since too many owners of "big" dogs claim their dog eats only a cup a day - that cup often turns out to be from a 64 oz "Thirstbuster".

A good starting point for dry kibble is 1 cup/20 lbs per day. We offer free weight checks so our clients can adjust the amount fed.

I lived in Germany for a long time, people there do not usually spay or neuter dogs, and the number of pyometras and mammary tumors we saw was staggering. Personally, I like to spay/ neuter around 6 month of age to avoid the first heat cycle and get the added benefit of an almost zero risk for mammary tumors.

9
LOL
by on 03/30/2010 03:33pm

"I own a measuring cup and am not afraid to use it."

FUNNY!

10
by on 03/31/2010 02:18am

I visited Britain just a bit back.. had dinner with several vets.. discussed "back to back " breedings.. NONE of them felt pyo was a huge risk for younger bitches. and that 'rest" between breedings was a good thing. i felt.. and still do as with many repro vets.. that a young healthy bitch ( mature) should be bred sequentially.. and then castrated to prevent pyo.. if you are not planning on breeding your female.. then discussion with our vet about the proper time ( if at all)is appropriate. Not all females get pyo.. or mammary tumors.. and there are benefits to keeping a female intact.. it must be weighed carefully.. not be a "one size fits all".. surgery is always a risk.. as for males.. why neuter them?

11
by on 03/31/2010 12:50pm

"as for males.. why neuter them?"

As a treatment for benign prostatic hyperplasia, urine marking and testosterone related aggression for three...

To reduce wandering for another. I read your previous solution to that one and I agree- a fence and a leash could solve that issue. Unfortunately I run into a lot more irresponsible dog owners than repsonsible ones in my neck of the woods. A lot of owners that feel that leashes and fences are cruel (yes, really) and let their dogs wander. Not to mention the wounds I have seen intact males inflict on themselves trying to escape to get to a female in heat.

In the hands of a truly responsible owner I have no problem with their decision to not spay or neuter- as long as they are willing and able to deal with the consequences. As a tech I have been faced with numerous situations where owners are unable to afford (because they had not planned on) a pyometra spay. I hate euthanizing sweet dogs for preventable reasons.

12
by on 03/31/2010 01:53pm

I agree .. castration for males with a disease is another story.. castration does not reduce "wandering".. an open door is an open invitation to ANY dog...just try it.. open your front door and just wait.. see if your dog ( untrained but castrated) stays inside.. LOL.. training and proper confinement is what keeps dog from wandering..

13
by on 04/02/2010 11:21am

It seems to me that a scale is very useful if you don't want
a too fat or too thin animal. The scale needs to weigh
fairly accurately for the weight range of the animal
you are weighing.

Miss K was spayed at around 10 months, according to the
records we have (from a show cat home). She is compact,
muscular, and still doing flying wonder kitty stunts to
ride on our shoulders at age 10. I have a scale (designed
for human babies) that I use regularly to check her weight.
She is slightly under 7 pounds, being a petite Tonkinese.
People who foster kittens use small kitchen scales to weigh
them.

With a medium sized dog (45-60 pounds), I remember using
the same scale used for humans. Step on the scale holding
the dog and weigh yourself and dog. Step on the scale and
weigh yourself. Figure the difference to get the weight of
the dog.

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About fully vetted

Patty Khuly, VMD, MBA

Photo of Dr Khuly

Dr. Khuly is a former petMD blogger and small animal veterinarian in Miami, Florida, where she practices medicine at Sunset Animal Clinic and serves on the board of the South Florida Veterinary Medical Association. She is a graduate of Wellesley College, the University of Pennsylvania School of Veterinary Medicine, and The Wharton School of Business.

As a significant sideline, she writes...a lot. She authors pet health columns for USA Today, The Miami Herald and Vetstreet. She also writes a popular monthly column for Veterinary Practice News and serves as regular contributor to Veterinary Economics, The Bark, and the Veterinary News Network.

Dr. Khuly lives in South Miami with her brood of hens, goats, dogs, cats...and humans.

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