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Originally Posted by stewartsyorkies

Hi. I have 4 Yorkies currently...I started my Yorkie family with my male, Toby. I then added Zoe followed by Abbe and most recently, Noelle. They all got along great...until recently. Zoe and Abbe have both had litters of pups. About 2 months ago, Zoe started attacking Abbe. There was no puppies, toys or food involved...Zoe would go out of her way to go across the room to attack Abbe. And it was vicious. The first time it happend, I stupidly put my hand in between and got bit. I have since kept them separated and periodically, try to put them together but every attempt has Zoe trying to attack Abbe. I am going to get some muzzles and put them on both girls to see if that makes a difference as I have tried everything else to no avail to get this behavior to stop. At least neither of them will get hurt with a muzzle. I truly believe this is purely hormonal for them. I have proved myself to be alpha with all 4 of them and continue to do so as I don't want to "lose control". Zoe doesn't bother Toby or Noelle (she's still a puppy). Abbe doesn't go after any of the other dogs, either. Does anybody have any other ideas? I, too, am at my wits end and although we alternate "cage time" with Abbe and Zoe to keep them separated, I would prefer we all lived in peace again and didn't have to separate anybody.

this thread is fairly old...you may want to start your own thread and will probably get a better response...

btw welcome to YT...