This is the picture below. In fact, the reason why dogs cannot separate during mating is mainly due to the expansion of the erectile tissue in the penis of male dogs and the contraction of vaginal muscles of female dogs, which leads to this result, which is what we The often-called "mating knot" makes it impossible for them to separate in the end.

Generally speaking, spring and autumn are the estrus seasons for dogs. When there is no estrus for a long time , two dogs will mate when they meet. Therefore, in normal times, we pet owners must take good care of our dogs and never let them go out to mess around. It is best to take them with us Get a sterilization surgery, that's the best outcome.