Article Text

Failure of sheep to respond to repeated inoculations with an alcelaphine herpesvirus-1-like virus, isolated from a case of malignant catarrhal fever in American cattle
  1. PK Mirangi
  1. National Veterinary Research Centre, Kenya Agricultural Research Institute, Kikuyu.

Abstract

The replication of an alcelaphine herpesvirus-1-like virus (707K), isolated from a clinical case of malignant catarrhal fever in American cattle, was studied in sheep. Viraemia was not observed in any of the six sheep repeatedly inoculated with the 707K virus or in four steers susceptible to malignant catarrhal fever which were housed together with these sheep for one year. None of the four steers seroconverted and only two of the six inoculated sheep showed a negligible and short-lived seroconversion. The inability of the sheep to seroconvert adequately after repeated inoculations with the 707K virus, and the failure to recover the agent from them suggests that this agent does not replicate in sheep.

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