In Avilamycin swine example, the VFD expiration date is 90 days. What is the duration of use?

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Multiple Choice

In Avilamycin swine example, the VFD expiration date is 90 days. What is the duration of use?

Explanation:
Under a Veterinary Feed Directive, the duration of use is the number of days the medicated feed may be fed to the animals, as specified on the label or VFD, not the calendar expiration of the authorization. In this case, the label for Avilamycin allows use for 21 days. The VFD expiration date of 90 days simply indicates how long the VFD can remain valid for issuance, not how long you may continue feeding the product. So, even though the VFD could be valid for up to 90 days, the actual duration of use is 21 days.

Under a Veterinary Feed Directive, the duration of use is the number of days the medicated feed may be fed to the animals, as specified on the label or VFD, not the calendar expiration of the authorization. In this case, the label for Avilamycin allows use for 21 days. The VFD expiration date of 90 days simply indicates how long the VFD can remain valid for issuance, not how long you may continue feeding the product. So, even though the VFD could be valid for up to 90 days, the actual duration of use is 21 days.

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