 ADDL Collaborates with OSU for Advanced Poultry Medicine Workshop on June 20, 2019
Dr. Jeff Hayes, DVM, MS, ADDL Pathology Section Head
The ADDL will host and assist The Ohio State University College of Veterinary Medicine faculty in conducting a day-long Advanced Poultry Medicine Workshop. The workshop will take place on Thursday, June 20th at the Ohio Department of Agriculture’s Animal Disease Diagnostic Laboratory in Reynoldsburg, Ohio. This training opportunity will provide continuing education in poultry medicine for veterinary practitioners who see, or desire to see, poultry as part of their practice. The workshop will include a necropsy wet lab to identify organs and training for sample collection to obtain a diagnosis for various conditions. The topics discussed will provide additional knowledge and tools for those who have attended previous workshops, but the information presented is still suitable for those who have not participated before. The program is led by Dr. Geoffrey Lossie, with instructors consisting of various poultry experts, including Dr. Craig Sarver from the ADDL.
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Publication in JVDI: Using WGS to identify sources of bacterial foodborne illness in raw pet food
Melanie Prarat, MS, ADDL Virology Section
The Animal Disease Diagnostic Laboratory and Consumer Protection Laboratory staff were instrumental in the outbreak investigation published in the March 2019 Journal of Veterinary Diagnostic Investigation article: "Whole genome sequencing confirms source of pathogens associated with bacterial foodborne illness in pets fed raw pet food". As a member of the FDA Vet-LIRN, the labs were involved in several case investigations that examined multiple households with animal illnesses linked to consumption of raw pet food diets. Whole genome sequencing (WGS) of Salmonella, Escherichia coli, and Listeria monocytogenes isolated from the animals and food products, combined with core genome multi-locus sequencing, showed that the animal clinical isolates were closely related to one or more raw pet food bacterial isolates.
WGS has emerged as a powerful tool for epidemiologists and other public health officials that rely on genomic analyses to identify new outbreaks and confirm suspected outbreaks in animal and human populations. WGS provides a significantly higher level of resolution compared to traditional typing methods, including serotyping, PFGE, MLST, and multiple-locus variable number of tandem repeat analysis. The ADDL plays an important role in public health by conducting WGS and genomic analysis of food isolates to identify animal foodborne illness outbreaks and potential sources of contamination.
Reference:
Jones JL, Wang L, Ceric O, Nemser SM, Rotstein DS, Jurkovic DA, Rosa Y, Byrum B, Cui J, Zhang Y, Brown CA, Burnum AL, Sanchez S, Reimschuessel R. Whole genome sequencing confirms source of pathogens associated with bacterial foodborne illness in pets fed raw pet food. J Vet Diagn Invest. 2019 Mar;31(2):235-240.
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ODA Hosts FBI/WMD Animal Plant Investigation Exercise
Dr. Bev Byrum, DVM, PhD, ADDL Laboratory Director
The Ohio Department of Agriculture hosted a 2 day training course, Animal-Plant Health Joint Criminal-Epidemiological Investigations, on May 1 and 2. The course was sponsored by the FBI, WMD Directorate, Biological Countermeasures Unit and USDA Animal Plant Health Inspection Service. There were well over 100 attendees including local, state and federal officials from agriculture agencies, law enforcement, public health, emergency management, first responders and representatives from animal agriculture commodities as well as veterinary practitioners. Best practices for conducting joint threat assessments were reviewed and interpersonal relationships between law enforcement and animal/plant experts at all levels were developed. The training was well received and attendees actively participated in a number of scenarios presented.
ADDL Offers Rapid Test for Canine Lyme Disease Testing
Melanie Prarat, MS, ADDL Virology Section
Cases of Lyme disease have steadily increased in Ohio over the past four years. This increase coincides with an increase in the principal vector, Ixodes scapularis, that transmits the bacterial agent of Lyme disease, Borrelia burgdorferi. Human and pet encounters with this tick are likely to increase, especially in late summer. Dogs are susceptible to Lyme disease; although dogs cannot directly transmit the bacterium to humans, they can bring ticks into the home. The Ohio ADDL offers a rapid canine Lyme test that detects Borrelia burgdorferi in canine serum.
If your dog develops clinical illness from Lyme disease, the most common signs are lameness, stiffness, sensitivity to touch, enlarged lymph nodes, fever, and lack of appetite. The majority of dogs respond well to antibiotic treatment.
For more information about Lyme disease in Ohio, visit the Ohio Department of Health Lyme Disease website.
Originally published in the July 2017 ADDL Newsletter.
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