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					Originally Posted by christinebock  My Oliver is 9 months old and was neutered last week and it seems as if he has more testosterone than ever.  He won't leave my bigger terrier mix female alone.  He always sniffing her and trying to mount her.  How long does it take for the neutering to take effect?  My poor Molly is about worn out. | 
 
  My Remmy is 3 years old and I had him neutred as a pup at like 6 months old.  Now he is trying to mount Chance my 6month old pup.  Why is he doing this...I tell him "NO" but he still ends up trying to do this.  How can I stop this behavior?  Anyone