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VDS Manitoba Diagnostic Laboratory Disease Report

VDS Manitoba Diagnostic Laboratory Disease Report. CAVP June 5, 2011 Guelph,Ontario. VDS MAFRI 2011. Egg Drop Syndrome? Rabbit hemorrhagic disease – household with 3 pet rabbits. One died others unaffected. Strain susceptibility

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VDS Manitoba Diagnostic Laboratory Disease Report

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  1. VDS ManitobaDiagnostic Laboratory Disease Report CAVP June 5, 2011 Guelph,Ontario

  2. VDS MAFRI 2011 • Egg Drop Syndrome? • Rabbit hemorrhagic disease – household with 3 pet rabbits. One died others unaffected. Strain susceptibility • Goat Abortion Herpesvirus – new introductions, existing ewes high rate of abortion. Typical herpes lesions in liver • Herpes virus pneumonia zebra • ILT ongoing in small farm flocks – provincially reportable. Flock destruction and compensation   • Turkey influenza • Low pathogenic avian influenza A H5N2 infection in a turkey breeder flock (~3000 birds) in late November 2010. Oropharyngeal swabs were submitted initially along with lung tissues with a history of some drop in egg production • Submitted on a Friday when staff sent home due to air quality. Not processed until Monday • What if high path AI?????

  3. VDS MAFRI 2011 • Recent increase in PRRS outbreaks • PRRS virus, mostly North American field strains, has been detected 9 separate cases in May 2011. • TGE outbreak in sows in May 2010. Outbreak started in a sow barn and spread to a few nurseries. TGEV was detected by specific PCRs in VDS and Biovet. Outbreak was immediately contained. • TGE outbreak in a finisher barn in February 2011. Outbreak was immediately contained • panH1N1-2009 swine influenza cases. Several cases in 2010 and only 3 cases in 2011 so far. H1N2 swine influenza virus has been detected in two cases recently • H1N2 - being seen with increasing frequency – developing multiplex PCR to identify strains. Will do Matrix first and if required multiplex for typing.  • Porcine Myelopathy problem – holey spinal cord!

  4. VDS MAFRI 2011 • Bovine Anaplasmosis, - also Increasing recognition A. Phagocytophilain dogs. 6 herds with Mycoplasmasuisand one PCR positive Mycoplasmaovissheep flock – • emerging hemoparasites due to climate instability??? • Increased case of liver flukes – all ruminants – study with CVO • Liver fluke in bovine fetal liver – focal hepatic necrosis with fluke puke and fluke eggs. • Injectable Se overdose in neonatal small ruminants – focal myocardial fibrosis and mineralization • High liver Se levels.  • S. zooepidemicus pneumonia outbreak in barn cats • Septicemic P. multocida Type B in sheep • Iridovirus-like Agent Sturgeon ( confirmed on EM in 2010) • Lawsonia enteritis in horse 

  5. Egg Drop Syndrome? • 6 flocks affected • 20 – 30% production drop • Decreased egg #s, no shell, soft shell • No change food or water intake • Duration < 14 days • Peaks @ 8 days • Any stage of production • One case with 10% decrease production • Associated with low dietary salt • Ongoing disease investigation with CVO office • All test negative for infectious agents including duck adenovirus

  6. Equine Proliferative Enteritis EPE

  7. Equine Proliferative Enteritis EPE

  8. Equine Proliferative Enteritis EPE

  9. Rabbit Hemorrhagic Disease • Household with 3 pet rabbits • Most recent introduced 1 year ago • Rescue rabbit, source unknown • Died others unaffected • Strain susceptibility • Diagnostic pathologists will always be needed

  10. Rabbit Hemorrhagic Disease

  11. Liver flukes - bovine fetus

  12. Liver flukes - bovine fetus

  13. “Sick Building Syndrome” • Aug with intermittent sewer gas odour. • Program issue (?) • Abandoned sewer pipes not capped • Nov 16 – significant episode of respiratory discomfort by all Clin Path staff • IAQ testing, building ventilation assessment, Occupational health physician • June 3 – remedial work imminent • One affected laboratory – impact on ACHSN

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