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Prairie Diagnostic Services (PDS) supports the health and productivity of sheep and goat herds through comprehensive diagnostic testing and submission guidelines. Our ovine and caprine resources help veterinarians and producers identify disease, monitor herd health, and ensure proper sampling and submission practices. From abortion investigations to nutritional assessments and infectious disease testing, PDS provides reliable, science-based diagnostics for small ruminant health management.

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TestLab SectionSample
Antimicrobial Susceptibility Test (AST) – Bovine, Ovine, Caprine
Bacteriology
Bacterial Culture
Baermann (Larvae sedimentation)
Parasitology
Feces (fresh)
BioPRYN ELISA
Serology
Serum
Biopsy – Gastrointestinal – >3 Tissues
Pathology
Full-thickness or endoscopic gastrointestinal biopsies
Biopsy – Gastrointestinal – Up to 3 Tissues
Pathology
Full-thickness or endoscopic gastrointestinal biopsies
Biopsy – Skin – Dermatohistopathology
Pathology
Skin - 6 mm punch or strip biopsies preferred. Skin or orifice lesions but not obvious masses or cysts.
Biopsy – Surgical – > 3 or a single mass > 2 cm dia.
Pathology
Incisional (punch or wedge) or excisional biopsy (excludes Dermatohistopathology and Gastrointestinal Biopsies). 4 or more tissues or if the base of any of the submitted tissues (single or combined) exceeds the 6 x 6 cm grid (see Introduction 'Special Information for Surgical/Dermatological Submission' for grid).
Biopsy – Surgical – Up to 3 Tissues
Pathology
Incisional (punch or wedge) or excisional biopsy (excludes Dermatohistopathology and Gastrointestinal Biopsies). Up to 3 tissues that if combined will fit into a 6 x 6 cm grid (see Introduction 'Special Information for Surgical/Dermatological Submission' for grid).
Blood Smear Evaluation – Avian/Reptile Only
Clin Path
2 unstained blood smears. Will be offered to clients if EDTA samples are compromised during transit, or sample is NSQ for analysis (if smears have been submitted).
Bovine Papular Stomatitis Virus (Orf Virus) PCR (Guelph)
Referral
Skin biopsy; crust
Brucella abortus (Buffered Plate Agglutination Test – BPAT)
Immunology
Serum
Cache Valley Virus PCR
PCR
Brain, Placenta and swabs in viral transport media
Caprine Arthritis and Encephalitis (CAE) ELISA
Serology
Serum
CBC – Complete Blood Cell Count
Clin Path
EDTA whole blood - tube 2/3 full (minimum 1/3 full) + 2 unstained blood smears
CBC – Partial
Clin Path
EDTA whole blood - tube 2/3 full (minimum 1/3 full)
CBC – WBC & Differential
Clin Path
EDTA whole blood - tube 2/3 full (minimum 1/3 full) + 2 unstained blood smears
Chlamydophila abortus PCR
PCR
Tissue, abomasal fluid
Cholinesterase (Blood)
Toxicology
Heparinized whole blood
Cholinesterase (Brain)
Toxicology
Brain - whole avian brain or half a bovine brain
Clostridium difficile Culture
Bacteriology
Feces or Intestine

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