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Hi, I'm Dr. Peter. Welcome to JustAnswer. I'm reviewing your question now, and will post back with your reply ASAP.
Friend, Vitamin D3 toxicity in dogs is very dependent on the amount and weight of the patient. We get concern with doses above 100mcg/kg, in this case, based on weight your dog took a dose of 13.8mcg/kg, this will not be toxic for her; she will be fine.
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