Diagnosis

DIAGNOSIS

  • Sample of choice- Blood (Buffy coat) and serum is the highly suitable specimen.
  • Based on clinical signs-  rapid and short course affecting a large number of cattle in an area
  • Virus isolation- By intracerebral inoculation of mice or hamster or isolation in cell culture such as Baby hamster kidney cell lines and monkey kidney cell lines.
  • Other tests- CFT, AGID, FAT, ELISA
  • Based on clinical pathology- Increased level of plasma fibrinogen and decreased serum calcium level, high level of creatinine kinase and marked leukocytosis

Differential diagnosis

  • Laminitis
  • Milk fever
Last modified: Sunday, 3 June 2012, 8:12 AM