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Prevalence of anaplasmosis and babesiosis in N'Dama cattle of the Gambia

Prevalence De l'Anaplasmose Et De La Babesiose Chez Les Bovins n'Dama De Gambie

Prevalencia De Anaplasmosis Y Babesiosis En Ganado N'doama De Gambia

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Summary

Sera from 184 N'Dama cattle randomly selected and averaging 2.7 years of age were tested for the presence of specific antibodies toAnaplasma marginale, Babesia bovis andB. bigemina, using one or more serological tests including complement fixation, rapid card agglutination and indirect fluorescent antibody (IFA). Tests forA. marginale andB. bovis were essentially negative. Utilising the IFA test 65% of the sera tested were positive forB. bigemina.

Three randomly selected two-year-old N'Dama bulls were splenectomised. All three showed an acute recurrence of aB. bigemina parasitaemia. Two died following typical signs of acute babesiosis and a third recovered following diminazene therapy.No. evidence of either B. bovis orA. marginale recrudescence was observed in the single surviving bull.Babesia bigemina appears endemic in the N'Dama cattle of The Gambia but no confirmed serological or clinical evidence ofB. bovis orA. marginale was observed.

Résumé

Les sérums de 184 bovins N'dama, sélectionnés au hasard et âgés en moyenne de 2,7 ans, ont été examinés pour la présence d'anticorps spécifiques vis-à-vis d'Anaplasma marginale, Babesia bovis etB. bigemina par un ou plusieurs tests sérologiques dont la fixation du complément, l'agglutination rapide sur carde et l'immunofluorescence indirecte (IFI). Les tests pourA. marginale etB. bovis ont été essentiellement négatifs. Pour le test IFI, 65% des sérums testés ont été trouvés positifs pourB. bigemina.

Trois taureaux N'dama de deux ans pris au hasard, ont été splenectomisés. Tous trois ont montré une récurrence aiguë de parasitémie aB. bigemina. Deux sont morts après avoir montré des signes typiques de babésiose aiguë; le troisième a guéri après un traitement au diminazène. On n'a pas noté de recrudescence deB. bovis ni d'A. marginale chez ce taureau survivant.B. bigemina semble être endemique chez le bétail N'dama de Gambie mais il n'y a aucune évidence sérologique ou clinique pourB. bovis etA. marginale.

Resumen

Se examinaron sueros colectados de 184 animales N'Dama seleccionados al azar y de una edad aproximada de 2.7 años, por la presencia de anticuerpos específicos deAnaplasma marginale, Babesia bovis yB. bigemina, usando fijación del complemento, la aglutinación en tarjeta y la prueba indirecta de anticuerpos fluorescentes. Las pruebas paraA. marginale yB. bovis fueron esencialmente negativas. Mediante la prueba indirecta de anticuerpos fluorescentes 65% de los sueros fueron positivos aB. bigemina.

Se esplenectomizaron tres toros N'Dama de dos años escogidos al azar. Todos tres desarrollaron parasitémia alta recurrente porB. bigemina. Dos de ellos murieron con lesiones típicas de babesiosis y el otro se recuperó después de la terapia con diminazene. No se observó recaída del toro sobreviviente porB. bovis oA. marginale. LaB. bigemina parece endémica en el ganado N'Dama de Gambia, pero no hay evidencia serológica deB. bovis o A. marginale.

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Author notes

  1. K. L. Kuttler

    Present address: , Route 5, Box 1259, 77840, College Station, Texas, USA

Authors and Affiliations

  1. Animal Disease Research Unit, Agricultural Research Service, US Department of Agriculture, Washington State University, 99164, Pullman, WA, USA

    K. L. Kuttler

  2. International Trypanotolerance Centre, PMB 14, Banjul, The Gambia

    D. J. Clifford & B. N. Touray

Authors
  1. K. L. Kuttler
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  2. D. J. Clifford
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  3. B. N. Touray
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Kuttler, K.L., Clifford, D.J. & Touray, B.N. Prevalence of anaplasmosis and babesiosis in N'Dama cattle of the Gambia. Trop Anim Health Prod 20, 37–41 (1988). https://doi.org/10.1007/BF02239643

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  • DOI: https://doi.org/10.1007/BF02239643

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