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Dogs and their mating habits.....

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103559.  Mon Oct 16, 2006 5:53 am Reply with quote

Hello everyone,

I noticed an error in the last episode of QI (the "Dogs" episode) and because it is one of my "pet" subjects I just had to try and bring it to the attention of somebody......

After the discussion about the position that dogs use when mating Stephen said that it is rare for ejaculation to occur when the dogs are in the initial pose - one on top of the other and both facing in the same direction.

This isn't actually true.

A male dog actually ejaculates three times during the mating procedure. The first is during the initial part of the mating, is fairly brief, and consists of a fluid which is called the "presperm" fraction and just prepares and lubricates the female's reproductive system. The second fraction is the one that contains the sperm and is quite a small quantity of fluid. This is produced during the time when the dog is thrusting vigourously and BEFORE he turns.

Once the dog has turned then the third fraction is produced. This is a large quantity of clear fluid produced by the prostate. This has the function of "washing" the semen down into the uterus and makes sure that the sperm get as near to the area where they can be most effective as possible.

It is well known by dog breeders that it is not neccessary for the dog to turn and "tie" with the bitch for conception to occur. This is called a "slip" mating and is relatively common.

So effectively the truth is in fact the opposite of what Stephen said on the programme - a dog will always ejaculate during the first part of the tie, and the fertile part of the ejaculate is actually transferred to the bitch at that point.

I've seen all this happening outside of a bitch too, having recently had one of my dogs fertility tested. It's very interesting!

Now I'm here I think I'll browse about - there seems to be a lot to learn on this forum.


103567.  Mon Oct 16, 2006 6:20 am Reply with quote


Retraction special.


Volklet, thanks very much for that excellent post, and please do stick around. You'll find there's much to learn here, as well as much to teach.

I wonder if you know of any websites, where we can get a bit of further reading on this topic? When I google "doggy style" I get a few unpleasant results. We need some good evidence with which to hit the naughty elf responsible over the head.

103572.  Mon Oct 16, 2006 6:40 am Reply with quote

I just knew that one was going to be a problem. All grist to the retractions special mill, I guess.

103575.  Mon Oct 16, 2006 6:46 am Reply with quote

*puts on Elfin level 9 head armour*

103583.  Mon Oct 16, 2006 7:10 am Reply with quote

At the first dog mating I was a witness for, they did turn as described by Mr Fry, bum-to-bum. But on the second occasion he managed just steps 1 & 2 as described by Volklet (Welcome to QI by the way), and the bitch virtually turned on her paramour and told him to gerroff.
Well, they had not been to a restaurant, no flowers, you know how it is.

103590.  Mon Oct 16, 2006 7:31 am Reply with quote

LOL! Yes, I can imagine if you tried searching on that you would end up with rather wide eyes.....

Because of the fertility problems I have recently had with a couple of my stud dogs I have googled "canine fertility" "dog ejaculation" and "AI dog" with much less embarrasing results.

This site is particularly good - it's from a Labrador site (not my breed) but to a large extent will apply to most other breeds. Breeds differ in their level of fertility and the number of sperm they produce, but this is a good start.

Other (quite) interesting references are:
A photo showing the difference in concentration (and size!) between a canine semen sample and that of a bull
This describes the three fractions, although the Guide Dogs are probably too polite to describe the actual mating!

My other references (apart from talking to the specialist at the breeding centre near Edinburgh I visited and seeing the procedure myself) are all books - any good book on dog breeding that covers the subject in detail describes the process.

Oh - and by the way - you do know that the story about "Lucky the Guide Dog" is an Urban Myth, don't you? ;-)


103593.  Mon Oct 16, 2006 7:35 am Reply with quote

Yes we did know Lucky was a myth, and we hoped that we represented it as such, with comments like "dog-eared cutting"

In fact, we chatted about it here

Thanks for your links, I shall look through them.

...after my lunch.

103604.  Mon Oct 16, 2006 7:59 am Reply with quote

The E Series:

Errors could fit in as the fabled retractions special.

103615.  Mon Oct 16, 2006 8:24 am Reply with quote

That's certainly a thought.

103786.  Mon Oct 16, 2006 7:09 pm Reply with quote

Welcome Volklet/Catherine :-)

I now know far more than I even thought it was possible to know about the intricacies of dog mating...

103835.  Tue Oct 17, 2006 4:09 am Reply with quote

Or, indeed, more than I wanted to know.

103957.  Tue Oct 17, 2006 12:37 pm Reply with quote

Jenny wrote:
Welcome Volklet/Catherine :-)

I now know far more than I even thought it was possible to know about the intricacies of dog mating...

Surely, on a QI thread, it is impossibel to have 'too much information'?
(Except for the very squeamish)

103959.  Tue Oct 17, 2006 12:42 pm Reply with quote

I might have to start my own web site called Q-nIce where doggy mating habits, farts in baths and similar nasty things are banned.

104020.  Tue Oct 17, 2006 3:56 pm Reply with quote

No no - I didn't say it was 'too much information' - just that I didn't know there was so much to know!

104052.  Tue Oct 17, 2006 4:45 pm Reply with quote

Bloody marvellous stuff, Volklet (if you excuse the pun). A hearty welcome. This is heading for the retractions special, for sure, and a re-write of a half-page in the book.

<performs Elven dance of shame>

But, as so often on these boards, we gain more than we lose. The overturning of the myth turns out to be itself untrue, but the whole picture you have revealed (1-2-3 Woof!) is much more interesting than either the original received wisdom or its badly-researched opposite.

Hegel would be proud...


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