Guinea Pig experts: Help with sexing

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Guinea Pig experts: Help with sexing

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  • Sex guinea pig
  • Sexing guinea pigs

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    12-08-2011, 11:39 PM
Green Broke
Guinea Pig experts: Help with sexing

Calling all piggie experts on HF!

I got a new piggie today from a rescue/adoption type place. I was told he was a male and when I first looked I too thought it was a boar, but now that it has been introduced to my other boar (for about five minutes) I'm paranoid that it may be a sow. I know that the new pig's parts look nowhere near as large and defined as my first boar, and that's made me nervous that it may be a female. I DO NOT want a pregnant pig.

So as of now they are completely separated until I can figure out the sex.

Anyone care to help me and confirm my fears or put me out of my misery?

Here are some photos. Not the best, but all I could do with a cell phone.

In that last photo it seems like there are obvious testicles, but sometimes it seems like they aren't as pronounced as when I caught this photo.

Any advice appreciated!!!
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    12-08-2011, 11:43 PM
Green Broke
Here is another picture if it's of any help. I'll try to get more clear photos.

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    12-08-2011, 11:46 PM
Super Moderator
It's hard to tell from that picture... It could be an immature boar (do you know how old s/he is?) or it could be a sow.
The way the dark skin+washed out picture ended up makes it hard to really see "stuff".

If the "stuff" looks like a "U" you have a boy, "Y" is a girl.

This page might be helpful:

Guinea Lynx :: Sexing Guinea Pigs

Also, if you haven't checked it out before, Guinea Lynx was my absolute FAVORITE back when I had piggies. :) SO much information!!

Also, if one pig was mounting the other and that's what was worrying you, that's a common dominance display. Nothing sexual, just "I'm top pig!" literally!
    12-08-2011, 11:48 PM
Green Broke
Oh, I've read that page 100 times! I love Guinea Lynx too, as well as Cavy Spirit.

I do think that he/she is younger, but I'm not sure of the exact age.

I am working on getting clearer pictures now!
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    12-09-2011, 10:14 AM
Green Broke
I figured it out today!

I had them separated by C&C grids, and when I was watching them rumble strut around I could see an obvious penis on the new piggie, Oliver.

Yay! Such a sigh of relief.
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    12-09-2011, 12:37 PM
Super Moderator
Yay!! :)
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