1 / 28

Jane Pritchard Public Health Veterinarian

On-farm baseline surveillance for zoonotic enteric pathogens within the lower Fraser River valley of BC. Jane Pritchard Public Health Veterinarian Food Safety and Quality Branch, BC Ministry of Agriculture & Lands Merv Wetzstein, Nancy DeWith – Food Safety and Quality Branch, BCMAL

dysis
Download Presentation

Jane Pritchard Public Health Veterinarian

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. On-farm baseline surveillance for zoonotic enteric pathogens within the lower Fraser River valley of BC Jane Pritchard Public Health Veterinarian Food Safety and Quality Branch, BC Ministry of Agriculture & Lands Merv Wetzstein, Nancy DeWith – Food Safety and Quality Branch, BCMAL Sean Byrne, Erin Zabek – Animal Health Branch, BCMAL BC Poultry Industry and Dairy Veterinarians

  2. OUTLINE • Review basic project goals • Sampling of results being generated • Campylobacter • E. coli O157:H7, Cryptosporidia spp., Giardia spp. • Antimicrobial Resistance • Some conclusions and future goals

  3. TRANSITION FUND BASELINE PROJECT • Funded by Agriculture Policy Framework Fund. Agriculture and Agri-Food Canada • One time opportunity to create a baseline for enteric zoonotic pathogen prevalence within the BC agri-food continuum • Benchmarks for future producer group on-farm HACCP-based Food Safety

  4. LOWER FRASER RIVER VALLEY Chilliwack Greater Vancouver Regional District Abbotsford

  5. Provincial Strategy for Pathogens & Antimicrobial Resistance Farm –To-Fork ApproachSampling targets • AMR – generic E.coli • Salmonella spp. • Campylobacter spp. • VTEC • Giardia spp. • Cryptosporidium spp.

  6. BROILER FORMATS CAMPY-ON-ICE (ICELAND) FORMAT for broilers: • 20 cecal samples per flock taken at processing • May till mid August DISPOSABLE BOOTIES for broiler breeders: • Disposable booties from industry technicians working in the barns are collected for culture

  7. DAIRY AND SWINE FORMATS Canadian Integrated Program for Antimicrobial Resistance Surveillance (CIPARS) FORMAT for dairy: • 50 calves/26 dairy farms/5 veterinarians • Followed for 8 months through 4 samplings with pooled calf cohorts and pooled dairy herd sampling each visit CIPARS FORMAT for swine • 5 farms. 1 pooled sample of 5 fecals from each of 4 close to market pens. Repeated once.

  8. Why Campylobacter? • The most common cause of bacterial gastroenteritis in BC, Canada and most of the industrialized world • 1500 cases in BC in 2005 (actual higher) • ~ 50% of cases are associated with handling or consumption of raw chicken • Source of others is largely unknown

  9. BROILER RESULTS 2005, 2006

  10. Campylobacter jejuni Weekly Broiler Flock Prevalence 2005, 2006

  11. Broiler Baseline Salmonella spp. • 2005 – 14% of flocks tested were positive • 2006 – 12% of flocks tested were positive.

  12. DAIRY PROJECT 2006 • 50 calves from 26 farms, with 5 veterinarians • Farms were stratified for general management • 4 sampling times • 1-7ds (January, February) • 15 to 30ds (February, March) • 85-121ds (May June) • 6-8 months (August to November) • Calf, (dam), pool of 5 calf cohorts, pool 5 milking cows.

  13. 2006 Baseline Dairy Project Results Summary

  14. DAIRY DATA 2006

  15. DAIRY DATA 2006

  16. E. coli O157:H7 – Dairy 2006

  17. Giardia spp – Dairy 2006

  18. Cryptosporidium spp – Dairy 2006

  19. Why AMR in generic E. coli • E. coli carries many of the phenotypic and genotypic resistance factors of interest to human public health • Environmental contact opportunities and food contact opportunities for transmission within resistance ecology • Veterinary access to antibiotics is being governed by resistance trends • “Controlling resistance starts with understanding how it develops and how bacteria move throughout the ecosystem.” USDA March 2005, Paula Fedorka-Cray

  20. Pan-sensitive E. coli Isolates

  21. Campylobacter jejuni AMR

  22. CONCLUSIONS • Broiler flocks from May to August are a significant reservoir of Campylobacter jejuni in the Lower Fraser River Valley • Dairy cattle over 4 months of age are a reservoir of Campylobacter jejuni in the Lower River Fraser Valley • We need 12 month surveillance of Campylobacter jejuni in broiler flocks to determine any seasonal affect • The swine and broiler industries have higher prevalence of AMR in E. coli in the Lower Fraser River Valley

  23. FUTURE • A lot of data • Many ways to look at it • What other questions could we ask?

  24. Questions? TRANSITION FUND BASELINE PROJECT Funded by Agriculture Policy Framework Fund. Agriculture and Agri-Food Canada

More Related