Intra-uterine infection with Babesia boris in a 2-day-old calf

I. Yeruham*, Y. Avidar, I. Aroch, A. Hadani

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

26 Scopus citations

Abstract

Infection with Babesia boris was diagnosed in a 2-day-old female calf apparently transmitted in utero. The calf was born as the second calving to a cross-bred beef cow permanently on pasture. Diagnosis was based upon identification of B. bovis in peripheral blood smears and clinical signs which included fever, jaundice, pale mucous membranes and convulsions. Anaemia, leucocytosis, thrombocytopenia and lymphocytosis were noted at the febrile acute stage of the disease. The blood smears revealed evidence of regeneration of toxic neutrophils with a left shift, severe spherocytosis and high degree of basophilic stippling. Elevated concentration of aspartate aminotransferase, lactate dehydrogenase, and creatine kinase were also noted, and were probably the result of haemolysis, dehydration and muscle damage because of recumbancy. Elevated total bilirubin concentration following haemolysis resulted in jaundice. The neurological symptoms observed were probably caused by sludging of parasitized erythrocytes in the brain capillaries. The calf recovered following treatment with diminazene aceturate and the recovery was followed up clinically, haematologically and biochemically.

Original languageAmerican English
Pages (from-to)60-62
Number of pages3
JournalJournal of Veterinary Medicine Series B: Infectious Diseases and Veterinary Public Health
Volume50
Issue number2
DOIs
StatePublished - Mar 2003

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