MU Veterinary Medical Diagnostic Laboratory

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Food Animal Diarrhea for Tissue Samples

Lab SectionAnatomic Pathology
Test DescriptionPanel includes the following:

  • Histopathology of fixed tissue

  • Cryptosporidial smears (bovine younger than 2 weeks)

  • Fecal flotation (bovine older than 3 weeks)

  • Aerobic bacterial culture for E. coli (small intestine) and Salmonella spp. (large intestine or liver). Limit 2 susceptibilities per case

  • Anaerobic culture: Clostridium perfringens (small intestine)

  • PCR:

Adult Cattle: BVD, BCV, Johne’s, Salmonella
Small Ruminants: Salmonella, BCV, Johne’s
Nursing Pigs: TGE, PEDV, Delta Coronavirus (PDCov), Rotavirus
Growing Pigs: TGE, PEDV, PDCov, Lawsonia intracellularis, Brachyspira spp., Salmonella spp.

Charge is for testing of one animal. Up to three from the same group may be tested on the same case, each additional animal will be 50% off. Additional testing not listed will be an extra charge.

SpeciesPorcine, Ruminant

SUBMISSION DETAILS

Sample TypePlease submit all of the following:
  • Fixed tissue: specimens of forestomachs, abomasum, large and small intestine

  • Intestinal content/feces

  • Fresh tissue: small and large intestines, liver.
Container

  • Leak-proof containers for fresh tissue, feces/intestinal contents.

  • See “How to Submit a Sample” for packaging fixed tissue.

  • Salmonella spp. suspect samples should be labeled “High Risk” on the submission form and primary container. Label the outside of the shipping container “Special Handling”.
Special Submission InstructionsShip fresh tissue and feces/intestinal
contents with cold packs.
Turnaround timeAfter conclusion of testing; at 5 business
days report with histopathology

Message from the Director

The University of Missouri Veterinary Medical Diagnostic Laboratory (VMDL) is a full-service veterinary diagnostic laboratory and Missouri’s only laboratory accredited by the American Association of Veterinary Laboratory Diagnosticians. The VMDL is a Level I Lab of the National Animal Health Laboratory Network, Tier I Lab of the FDA Veterinary Laboratory Response Network, and a National Poultry Improvement Plan authorized lab. The VMDL maintains an effective quality assurance and quality control program.

The VMDL has formal anatomical pathology, clinical pathology, and clinical microbiology training programs. The VMDL faculty hold academic appointments in the Departments of Veterinary Pathobiology and Veterinary Biomedical Sciences. The director is administratively responsible to the dean of the College of Veterinary Medicine for the overall operation of the laboratory and its multiple missions of public service, teaching, research and continuing education/extension.

The VMDL faculty and staff work diligently to provide relevant, timely and cost-effective diagnostic services to our clients and to create a positive learning environment for our students and residents. In 2024, veterinarians, animal owners and researchers from 103 Missouri counties and cities, as well as from 51 states and provinces outside Missouri, continued to rely on the Veterinary Medical Diagnostic Laboratory’s (VMDL) diagnostic services. The lab performed approximately 63,500 total cases and conducted nearly 204,500 tests.

About the MU VMDL

The VMDL is a full-service laboratory accredited by the American Association of Veterinary Laboratory Diagnosticians (AAVLD). The VMDL provides in-depth laboratory diagnostic support to veterinary practitioners, livestock and poultry industry interests, companion animal interests, wildlife conservationists, scientists utilizing animals in their research throughout the university, state and regulatory officials, and clinicians of the MU Veterinary Health Center.

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