Abstract
Purpose
The present study reports a very rare case of Trypanosoma theileri like infection in the peritoneal fluid of a 6-year-old female Holstein Friesian (HF) cattle brought to Veterinary Clinical Complex, Lala Lajpat Rai University of Veterinary and Animal Sciences (LUVAS), Hisar. The aim of the clinical study was to report an unusual case of T. theileri-like infection associated with peritonitis and its therapeutic management.
Methods
For confirmatory diagnosis, peritoneal fluid and blood sample was collected from animal for haemato-biochemical examination, buffy coat examination and detection of Trypanosoma antigen by monoclonal antibody-based latex agglutination test.
Results
Animal had history of anorexia, high fever, oedematous swelling on the abdominal area and decrease in milk yield since 1 week. Clinical examination revealed high fever, congested conjunctival mucus membrane and oedematous inflammatory swelling on the abdominal region. Haematological examination on Day 1 revealed relative neutrophilia and eosinophilia, whereas other parameters measured were on the lower side of normal range. Thin blood smear examination did not reveal any parasite on first attempt. However, after confirmation of Trypanosoma species in peritoneal fluid collected by FNAC, buffy coat examination of blood sample was also found positive for Trypanosoma species. On Day 2, haematological examination revealed neutrophilic leucocytosis, eosinophilia and anaemia. Blood sample was also found serologically positive for Trypanosoma antigen by monoclonal antibody based latex agglutination test. Biochemical examination revealed increased blood urea nitrogen (BUN), gamma glutamyl transferase (GGT) levels, hyperglycemia, hyperprotienemia and decreased levels of sodium and chloride ions. Animal was primarily treated with isometamidium chloride (Nyzom®) @ 0.5 mg/kg body weight (IM, single dose) along with supportive therapy.
Conclusion
Animal showed clinical recovery after 10 days of treatment. Post-recovery, blood sample of the animal was re-examined for parasite and other blood parameters and it was found negative for presence of Trypanosoma infection along with restoration of haematological values. Hence, the present study concludes the confirmatory diagnosis and therapeutic use of isometamidium hydrochloride along with anti-inflammatory drugs to Trypanosoma infection.
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Acknowledgements
The authors are thankful to Dean, Director Research and Head, Veterinary Clinical Complex, LUVAS, Hisar, for providing necessary facilities and technical help for carrying out the present case study.
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Sharma, M., Patil, C.S., Saharan, S. et al. Clinical Diagnosis and Therapeutic Management of Trypanosoma theileri Infection Associated with Peritonitis in Crossbred Cow: A Rare Case Report. Acta Parasit. 67, 1767–1772 (2022). https://doi.org/10.1007/s11686-022-00599-1
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DOI: https://doi.org/10.1007/s11686-022-00599-1