Bovine Chronic Ill Thrift Weight Loss Diagnostic Panel Work-Up

Common differential list:

  • Bacteria: Salmonella spp., Mycobacterium avium subsp. paratuberculosis (Johne’s disease)
  • Parasites: Eimeria spp., GI nematodes
  • Neoplastic: Bovine leukosis virus (BLV)
  • Nutritional

Samples to submit (fresh and fixed):

  • Small intestines: duodenum, jejunum, ileum (2-3 segments/each)
  • Cecum
  • Colon
  • Abomasum, rumen, ruminal contents
  • Kidney
  • Liver
  • Spleen
  • Mesenteric lymph node
  • Lung
  • Adrenal gland
  • Bone marrow from diaphysis (or femur)
  • Heart
  • Uterus (if female)
  • Any additional gross lesions

Standard tests run at the laboratory (included in the general investigation):

  • Histopathology
  • Enteric culture
  • Fecal flotation

Additional tests (check website for preferred samples and current prices):

  • Johne’s PCR
  • Trace mineral analysis
  • Bone marrow fat percentage

Printable version here.

Updated 01/10/2025