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A density of about 5 grams comes in a teaspoon and as you require 400 mg which means you need 0.4 grams which is equal to 12th part of a teaspoon. If I've done my math correctly, that's 1/4 teaspoon per 3 gallons water. This mixture of powder tetracycline is used in cold water for treating hens with CRD. Please follow the dosing instructions on your package; I'm not a veterinarian.

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14y ago

What else can I help you with?