Overview
Theileria equi infection, also known as equine piroplasmosis, is a tick-borne disease affecting horses caused by protozoan parasites that primarily target red blood cells and leukocytes, leading to significant morbidity and potential mortality [Not directly covered in provided abstracts].Diagnosis
Clinical Signs: Fever, anemia, icterus, depression, and hemolytic anemia [Not directly covered in provided abstracts].
Laboratory Tests: Peripheral blood smear showing Theileria parasites, PCR for molecular confirmation [Not directly covered in provided abstracts].
Serological Tests: Indirect fluorescent antibody test (IFAT) or ELISA for antibodies [Not directly covered in provided abstracts].Management
Antiparasitic Therapy: Imidocarb dipropionate is commonly used for treatment; dose typically 1.25 mg/kg IM every 2-3 weeks for 3-4 doses [Not directly covered in provided abstracts].
Supportive Care: Fluid therapy, blood transfusions for severe anemia, and management of secondary infections [Not directly covered in provided abstracts].Special Populations
Pediatrics: Limited data; foals may present with more severe clinical signs requiring intensive supportive care [Not directly covered in provided abstracts].
Comorbidities: Concurrent infections (e.g., Rhodococcus equi) may complicate diagnosis and management; careful monitoring and integrated treatment plans are essential 1.Key Recommendations
Confirm Diagnosis with Laboratory Tests: Utilize PCR and blood smear examination for definitive diagnosis (Evidence: Expert opinion [Not directly covered in provided abstracts]).
Initiate Antiparasitic Treatment with Imidocarb: Administer imidocarb dipropionate at 1.25 mg/kg IM every 2-3 weeks for 3-4 doses (Evidence: Expert opinion [Not directly covered in provided abstracts]).
Provide Comprehensive Supportive Care: Include fluid therapy and manage secondary infections aggressively (Evidence: Expert opinion [Not directly covered in provided abstracts]).References
1 Ainsworth DM, Eicker SW, Yeagar AE, Sweeney CR, Viel L, Tesarowski D et al.. Associations between physical examination, laboratory, and radiographic findings and outcome and subsequent racing performance of foals with Rhodococcus equi infection: 115 cases (1984-1992). Journal of the American Veterinary Medical Association 1998. link