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Originally Posted by MistyLK13 The male dog has a gland at the base of his penis - the bulbus glandis - and when the aroused male penetrates the bitch during copulation and achieves a full erection, the gland enlarges to the size of a quarter (in a Yorkshire Terrier sized dog). The muscular walls of the bitch’s vagina grip the swollen bulb, so preventing the dog from withdrawing and maintaining the tie. The tie can last for just a few minutes up to an hour or so.
Hope that helps!
Molly
ww.cloverdaleyorkies.com |
Now THAT'S Nature in action - wow - pretty amazing - thank you for posting that - it makes sense - the female is making SURE the male gets his business done and isn't just fooling around doesn't she ?