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VCPR: Should swine vets follow their state or federal definition?

Under the updated veterinary feed directive (VFD) rule, licensed veterinarians issuing VFDs are expected to operate in compliance with either their state-defined veterinary-client-patient relationship (VCPR) or the federally defined VCPR. But how do they know which one to follow?

According to FDA, state definitions apply if they include key elements of the federally defined VCPR. If state definitions do not include those key elements — or in states that don’t require a VCPR to issue a VFD — then veterinarians are expected to operate within the context of the federal definition.

 There are three key elements in the federally defined VCPR1 

  • Veterinarians engage the animal producer or caretaker to assume responsibility for making clinical judgments about animal health.
  • Veterinarians have sufficient knowledge of the animals by conducting examinations and/or visits to the facility where the animals are managed.
  • Veterinarians provide necessary follow-up evaluation or care.


FDA has been working with state regulatory authorities to verify which states do and do not have VCPR definitions that contain the federally defined key elements. The agency has also compiled a handy reference list where veterinarians can check to see if their state or the federal definition applies.2







1. Veterinary Feed Directive Requirements for Veterinarians. FDA.gov http://www.fda.gov/AnimalVeterinary/DevelopmentApprovalProcess/ucm455416.htm Accessed December 17, 2015
2. Does the State or Federal VCPR Definition Apply to a Lawful VFD in my State? FDA, USDA. http://www.fda.gov/AnimalVeterinary/DevelopmentApprovalProcess/ucm460406.htm Accessed December 18, 2015



Posted on November 17, 2016

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Challenges associated with controlling porcine reproductive and respiratory syndrome virus (PRRSV) have resulted in the increased use of molecular diagnostic tests and sequencing, according to Phillip Gauger, DVM, PhD, Iowa State University.

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