Dunno if the OP will be replying, but here's my late-night 2 cents..I definitely agree that Myra's aggression could very well be due to the fact that her and Leo are not altered or mating to each other, and the frustration that lies between them. It could not be the only reason; seeing as you say Leo has been aggressive towards Myra over bones and other things, it could be that because Leo wasn't being effectively trained not to 'resource guard' (defending bones, treats, etc. aggressively) that Myra is doing what she feels is necessary to tell him she can claim ownership of things as well.
What do you mean by saying that you're definitely alpha to your dogs? (Do you simply mean you set rules for your dogs, or that you intimidate them?) Just curious, not meaning to interrogate.
Also, is Myra close to being in heat during any of these altercations with Leo? I agree that being close to heat or a false pregnancy can cause aggression. I really hope you have kept them completely separate during her heat. One of them may need to be altered to help your situation between the 2 of them, but I would highly suggest getting them both altered. If you do not have proper papers on Myra, a breeding license and many other things (including more knowledge on dogs and breeding itself), you do not need to be breeding her. Have you ever seen how many Boxers are in shelters? (if you're in the US) Plus, I personally don't think it's a good idea for an amateur breeder to breed a white Boxer.
By the way, my fiance's name is Leo and even he says the ornaments should come off!
If he could, he would thank you for it, for extending his life and making life less frustrating without all those hormones.
What do you mean by saying that you're definitely alpha to your dogs? (Do you simply mean you set rules for your dogs, or that you intimidate them?) Just curious, not meaning to interrogate.
Also, is Myra close to being in heat during any of these altercations with Leo? I agree that being close to heat or a false pregnancy can cause aggression. I really hope you have kept them completely separate during her heat. One of them may need to be altered to help your situation between the 2 of them, but I would highly suggest getting them both altered. If you do not have proper papers on Myra, a breeding license and many other things (including more knowledge on dogs and breeding itself), you do not need to be breeding her. Have you ever seen how many Boxers are in shelters? (if you're in the US) Plus, I personally don't think it's a good idea for an amateur breeder to breed a white Boxer.
By the way, my fiance's name is Leo and even he says the ornaments should come off!