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Transmission ofTheileria hirci in sheep by hyalommaAnatolicum anatolicum

Transmission de mouton à mouton, deTheileria hirci parHyalomma anatolicum anatolicum

Trasmision experimental estadio a estadio detheileria hirci en ovinos porhyalomma anatolicum anatolicum

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Summary

Breeding of the tickHyalomma anatolicum anatolicum was established at the laboratory. On two occasionsTheileria hirci was transmitted to intact clean sheep by adults of the tickHyalomma anatolicum anatolicum which had been infected at the nymphal stage. An attempt to transmit the parasite by nymphae, which had fed on a carrier sheep at the larval stage, failed but when these nymphs developed to adults they were able to transmit the parasite. The incubation period of malignant sheep theileriosis, caused by 11 to 15 ticks infestation, was found to be about 12 days.

Résumé

Un élevage de la tiqueHyalomma anatolicum anatolicum a été réalisé en laboratoire. En deux occasions,Theileria hirci a pu être transmis à des moutons absolument neufs, par des tiques adultes deHyalomma anatolicum anatolicum infectées au stade nymphal. Un essai pour transmettre le parasite par des nymphes, nourries au stade larvaire sur un mouton porteur, a échoué mais, lorsque ces nymphes sont parvenues au stade adulte, elles ont été capables de transmettre l'infection. La période d'incubation de la theileriose maligne du mouton, provoquée par des infestations de 11 à 15 tiques, set d'environ 12 jours.

Sumario

Se establecio el cultivo de la garrapataH. a. anatolicum en el laboratorio. En dos ocasionesT. hirci pudo ser trasmitida a ovinos limpios y enteros por adultos de la garrapataH. a. anatolicum las cuales habían sido infectadus en el estadio ninfal. Un intento de trasmitir el parasito por ninfas la scuales habían sido alimentadas sobre un ovino portado durante el estadio larval no tuvo exito, pero, cuando estas ninfas desarrollaron a adultas ellas fueron capaces de trasmitir el paràsito. El periodo de incubación de ‘a theileriosis maligna ovina, causada por 11 a 15 garrapatas fue encontrado ser de alrededor 12 dias.

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Near East Animal Health Institute, Veterinary Laboratories, Abu Ghraib, Baghdad, Iraq: A project of the Ministry of Agriculture, Iraq, supported by the United Nations Development Programme, with the Food and Agriculture Organization as the executing agency.

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Hooshmand-Rad, P., Hawa, N.J. Transmission ofTheileria hirci in sheep by hyalommaAnatolicum anatolicum . Trop Anim Health Prod 5, 103–109 (1973). https://doi.org/10.1007/BF02236145

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  • DOI: https://doi.org/10.1007/BF02236145

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