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Contact vet immediately it sounds as though your dog is a having a severe allergic reaction to something. Don't waste a minute.
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Chocolate is the dominant colour so if they are both pure for their respective colours then all the pups will be brown. If not then you will get a mixture of both. Not black though as this is dominant over brown and can not be carried genetically. If you want black one of the parents … Read more
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Dominance. She is showing you she is the pack leader. You have to turn the tables and regain control of the pack if you want her to stop. It is not sexual shes in charge.