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Tropical Animal Health and Production

, Volume 23, Issue 4, pp 227–231 | Cite as

Attempted immunisation of crossbred calves (Bos taurus × Bos indicus) by repeated natural attachment of ticksHyalomma anatolicum anatolicum Koch (1844)

  • R. R. Momin
  • D. P. Banerjee
  • S. Samantaray
Article

Summary

Crossbred calves (Bos taurus × Bos indicus) were repeatedly infested with the ixodid tick,Hyalomma anatolicum anatolicum. The parameters of engorgement, pre-oviposition period, oviposition period, engorged weight, egg batch weight, and per cent hatch of eggs all showed statistically significant differences between first to tenth infestation. Only the time to engorgement did not change. It is concluded that repeated infestations of this tick stimulate acquired resistance.

Keywords

Public Health Veterinary Medicine Oviposition Period Ixodid Tick Hyalomma Anatolicum 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

Résumé

Des veaux issue de croisementsBos taurus × Bos indicus ont été soumis à une infestation répétée parHyalomma anatolicum anatolicum. Les paramètres suivants: gorgement, périodes de préet d'oviposition, poids en fin de gorgement, poids du lot de ponte et pourcentage d'oeufs éclos, ont tous montré des différences significatives entre la première et la dixième infestation; seule la durée de gorgement n'a pas varié. Les auteurs concluement que les infestations répétées par cette tique stimulent la résistance acquise des veaux.

Resumen

Terrneros cruzadosBos taurus × Bos indicus se infestaron de manera natural. Con la grrapata ixodes,Hyalomma anatolicum anatolicum. Los parámetros medidos de ingurgitación, período de pre-oviposición, período de oviposición, peso de ingurgitación, peso del bache de huevos puestos y el porcentaje de eclosión de los mismos, presentaron diferencias estadísticamente significativas entre la primera y décima infestación. Lo único que no cambió fue el tiempo de ingurgitación. Se sugiere que la infestación repetida de esta garrapata, estimula la resistencia adquirida.

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Copyright information

© Centre for Tropical Veterinary Medicine 1991

Authors and Affiliations

  • R. R. Momin
    • 1
  • D. P. Banerjee
    • 1
  • S. Samantaray
    • 1
  1. 1.Department of Veterinary Parasitology, College of Veterinary SciencesHaryana Agricultural UniversithHisarIndia

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