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Originally Posted by livingdustmops Good Lord...puppies do this  Male dogs do not go into heat...female dogs do and I would not neuter your little one until he is older so if his puppy teeth don't fall out then you can have the teeth removed at the same time you have him neutered...it is safer for him and cheaper for you....a win win..  |
Good answer and just what I would have said too!

My vet said 6 months and 5 lbs for neuter and it worked out perfectly for Doodlebug and Pebbles. He didn't even charge for the tooth extractions because they were already under and it just was a few extra minutes to remove a few baby teeth.
As for the humping you should not allow this behavior at all. I agree with the previous posts about this as well. Please that all of this advice and run with it and make good use.