A method of medicating an animal foodstuff which comprises coating particles of the foodstuff (e.g. feed pellets) with a gel containing tetracycline (e.g. chlortetracycline) and a stabilising agent.

• 一种将药剂加到动物食物中的方法，它包括用含有四环素类药物(如金霉素)和稳定剂的凝胶将该食物的丸粒(如饲料丸粒)包衣。