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USDA orders mandatory PEDv reporting, issues first PEDv vaccine
by Callie Wells
A Federal Order has been issued requiring pork producers, veterinarians and diagnostic labs to report presumptive or confirmed positive occurrences of PEDv, PDCoV or other novel swine enteric coronaviruses. Also, USDA’s APHIS has issued a conditional license to Harrisvaccines, Inc. of Ames, Iowa for a vaccine that may aid in the control of PEDv.
Secretary of Agriculture Tom Vilsack has issued a Federal Order, requiring pork producers, veterinarians and diagnostic labs to report presumptive (positive diagnostic test with nonspecific or no clinical signs) or confirmed positive (positive diagnostic test with clinical signs) occurrences of Porcine Epidemic Diarrhea Virus (PEDv), Porcine Deltacoronavirus, (PDCoV) or other novel swine enteric coronaviruses that meet the case definition.
An occurrence of these swine enteric coronaviruses may be the initial detection of disease or a reoccurrence of previously detected disease. If a sample is submitted to a National Animal Health Laboratory Network (NAHLN) laboratory for testing and is found to be positive, duplicate reporting by the herd owner, producers, veterinarians and others with knowledge of the disease is not required.
“Although hog producers have tightened biosecurity and handled PEDv as well as can be expected, it is important that we get a better understanding of how the disease got here, how it spreads and the current extent of the outbreak in order to manage the disease nationally and reduce the economic and production impacts on pork producers,” said Dr. Leah Dorman, Ohio Farm Bureau senior director of animal and food policy and a veterinarian.
Reporting by producers or veterinarians must be directed to the state animal health official or the US Department of Agriculture’s (USDA) Animal and Plant Health Inspection Service (APHIS) assistant district director located in the state in which the herd resides.
USDA requires the following specific reporting information to be submitted:
- Premises identification number (PIN) or an alternative premises location identifier (if you do not have a PIN, go to www.pork.org/pintag)
- Date of sample collection
- Type of unit being sampled (e.g., sow, nursery, finisher)
- Test methods used to make the diagnosis
- Diagnostic test results.
In addition, the producer must develop and implement, in collaboration with the herd veterinarian, state veterinarian or APHIS veterinarian, a herd management plan that addresses: diagnostic testing to monitor the status of the herd infection and to assess efficacy of control strategies (laboratory costs subsidized by APHIS), following the best management and disease control practices known to date and maintaining up-to-date records on pig movements on and off the facility and to make them accessible to animal health officials when needed.
Herd owners or veterinarians failing to promptly report a presumptive or confirmed positive case or neglecting to follow a herd management plan may be subject to civil penalties, revocation of veterinary accreditation and may have additional requirements (hold order, quarantine, permitting or other restrictions for movement of pigs) placed on their premises by state or federal animal health officials.
All USDA documents related to this new federal order and additional supporting documents can be found on the USDA website. You can also contact your state veterinarian or APHIS area office with questions.
USDA’s Animal and Plant Health Inspection Service (APHIS) has issued a conditional license to Harrisvaccines, Inc. of Ames, Iowa for a vaccine that may aid in the control of PEDv. This is the first licensed vaccine for PEDv. It will be used to vaccinate sows with the intent that they build antibody, and transmit that antibody through their milk to newborn piglets. It is intended to protect the piglets against PEDv.
APHIS licenses veterinary biologics products for use in controlling diseases of animals. Conditional licenses are issued based on full safety, purity testing, and an expectation of efficacy. Preliminary studies have been promising, and they’ve shown sufficient data leading USDA to think the vaccine will be effective. The company will continue working toward completing the requirements for a full license. In the meantime, there are no restrictions on vaccine use under the conditional license.
Porcine epidemic diarrhea is a disease that causes significant sickness in swine, affecting their growth and health, and causes high mortality in piglets. The disease is common in parts of Asia and Europe, but is not reportable to the World Organization for Animal Health (OIE). PEDv only affects pigs and does not pose any risk to people or pets. It is not a food safety concern.
Licensing this vaccine is another step APHIS is taking to continue to help industry/producers.
Read USDA’s full press release.
Callie Wells is a communications specialist for Ohio Farm Bureau.