What term refers to the use of drugs in feeds at a lower level than that required to treat a sick animal?

Study for the AEST Animal Science Specialist Certification Exam with flashcards and multiple choice questions, each with hints and explanations. Prepare for success!

The term that refers to the use of drugs in feeds at a lower level than that required to treat a sick animal is prophylactic. Prophylactic use of drugs, particularly antibiotics, means administering them to healthy animals to prevent the onset of disease rather than to treat an existing illness. This practice can help reduce the risk of infections in animal populations by promoting overall health and improving growth rates.

In contrast, the antibiotic option generally refers to the class of drugs used to combat bacterial infections, either therapeutically at higher doses for treating illness or preventatively at lower doses. Zoonotic pertains to diseases that can be transmitted from animals to humans, and therapeutic specifically relates to treatments given to sick animals at effective doses to resolve their illnesses. Thus, prophylactic describes the specific context of using drugs in healthy animals at sub-therapeutic levels to prevent disease rather than to treat it.

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