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I have two rats named Winston and Teddy. They're about 1 1/2-year-old boys and Teddy is slightly bigger than Winston. However, I noticed today that Teddy is about the same size as Winston if not smaller. He takes twice as long to eat and he doesn't finish his food, he seems obsessed with his...

I have some powdered Enrofloxacin 20% intended for birds. Has anyone used this before to treat rats with respiratory infections? I'm not sure of the dosage I should be using. Any help or suggestions would be greatly appreciated. TIA