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Effectiveness of parvaquone in cattle infected withTheileria annulata

Efficacite De La Parvaquone Chez Le Betail Infecte ParTheileria Annulata

Effectividad De Parvaquone En Ganado Infectado ConTheileria Annulata

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Summary

Parvaquone was used in 13 cattle naturally infected withTheileria annulata. Blood smears and lymph node biopsy smears were taken, stained and examined for the presence of the piroplasm and schizont stages of the parasite respectively. Smears were examined before and on the third, fifth and seventh day after commencement of therapy. Two doses of parvaquone were injected in the neck intramuscularly at 10mg/kg bodyweight at 48 hour intervals. Of the 13 cattle treated 11 were discharged in fairly good condition and two died of tropical theileriosis on the sixth day after commencement of treatment.

Résumé

On a utilisé la parvaquone chez 13 bovins infectés naturellement parTheileria annulata. Des frottis de sang et des frottis de pulpe ganglionaire obtenus par biopsie ont été colorés et examinés pour la présence des stades piroplasme et schizonte du parasite. Les frottis ont été examinés avant, puis les 3è, 5è et 7è jours du traitement. Deux doses de parvaquone ont été injectées à 48 heures d'intervalle par voie intramusculaire dans le cou, à 10 mg par kg de poids vif. Sur 13 animaux traités, 11 ont été libérés en assez bonne condition, mais 2 sont morts de theilériose tropicale le 6è jour du traitement.

Resumen

Se utilizó parvaquone en 13 animales con infección natural deTheileria annulata. Se tomaron frotis sanguíneos y biopsias de ganglios linfáticos, las cuales fueron teñidas y examinadas por la presencia de piroplasmas y esquizontes del parásito. Los frotis se examinaron antes y al tercero, quinto y séptimo día de terápia. Dos dosis de parvaquone (10 mg/kg de peso) vía intramuscular, se inyectaron en el cuello con intervalo de 48 horas. De los 13 animales tratados, 11 fueron dados de alta en buenas condiciones y dos murieron de theileriosis tropical al sexto día del tratamiento.

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Name and address for reprints: N. McHardy, Coopers Animal Health Ltd, Berkhamsted Hill, Berkhamsted, Herts HP4 2QE, UK.

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Unsuren, H., Kurtdede, A. & Goksu, K. Effectiveness of parvaquone in cattle infected withTheileria annulata . Trop Anim Health Prod 20, 256–258 (1988). https://doi.org/10.1007/BF02239993

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  • DOI: https://doi.org/10.1007/BF02239993

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