Short Communication

Could treatment of pregnant mares prevent abortions due to equine piroplasmosis? : research communication

B.D. Lewis, B.L. Penzhorn, D.H. Volkmann
Journal of the South African Veterinary Association | Vol 70, No 2 | a760 | DOI: https://doi.org/10.4102/jsava.v70i2.760 | © 1999 B.D. Lewis, B.L. Penzhorn, D.H. Volkmann | This work is licensed under CC Attribution 4.0
Submitted: 12 July 1999 | Published: 12 July 1999

About the author(s)

B.D. Lewis,
B.L. Penzhorn,
D.H. Volkmann,

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Abstract

Treatment of pregnant mares to prevent abortions due to equine piroplasmosis is a novel idea practised empirically at some Thoroughbred studs in South Africa. This paper presents the results of an investigation to ascertain whether imidocarb dipropionate crosses the equine placenta. Three pregnant mares were injected intramuscularly with imidocarb and their foetuses were mechanically aborted at varying time intervals thereafter. Imidocarb was found in foetal blood at a level similar to that in the dam's blood, suggesting that imidocarb administered to the dam would be available for anti-parasitic activity in the foetal circulation. Uncertainty concerning the time of treatment to achieve the desired effect currently makes this a questionable exercise.

Keywords

Abortion; Babesia Equi; Equine Piroplasmosis; Imidocarb; Prevention; Theileria Equi

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