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Abstract

In order to study epidemiology of the heartwater due to Ehrlichia ruminantium in cattle, the prevalence of Amblyomma variegatum infection by Ehrlichia ruminantium was investigated in traditional farming systems from four areas (Gogounou, Toucountouna, Dassa-Zoumé and Ouidah) located throughout...

Author(s)
Farougou, S.; Adakal, H.; Biguezoton, A. S.; Boko, C.
Publisher
École Nationale Vétérinaire de Toulouse, Toulouse, France
Citation
Revue de Médecine Vétérinaire, 2012, 163, 5, pp 261-266
Abstract

Heartwater remains one of the constraints to the development of ruminants in tropical areas of Africa. In order to assess the prevalence of this disease transmitted by ticks of the genus Amblyomma, a cross-sectional study was conducted in Benin in sheep and cattle. For this purpose, serum samples...

Author(s)
Farougou, S.; Adakal, H.; Boko, C.
Publisher
École Nationale Vétérinaire de Toulouse, Toulouse, France
Citation
Revue de Médecine Vétérinaire, 2013, 164, 12, pp 572-576
Abstract

The seroprevalence of heartwater (cowdriosis) in Maure zebus coming from Mali (infected area) and Mauritania (non-infected area) was analysed using indirect ELISA with the major antigenic protein 1-B. Seroprevalence was 98% for Mali and 0% for Mauritania. The results gave adequate information on...

Author(s)
Mbengue, M.; Gueye, A.; Faye, O.; Toguebaye, B. S.; Konte, M.
Publisher
PRINCEPS Editions, Issy-les-Moulineaux, France
Citation
Parasite, 2007, 14, 2, pp 169-171
Abstract

Heartwater was studied in 2 cattle breeding areas in Benin in 1996. Male and female adult Amblyomma variegatum were sampled on breeding cattle. Their internal organs were then examined by PCR to identify Cowdria ruminantium. Of 150 treated ticks, an overall prevalence of 8% was obtained. In...

Author(s)
Farougou, S.; Toguebaye, B. S.; Tounkara, K.; Sy, D.; Akakpo, A. J.
Citation
Revue de Médecine Vétérinaire, 1998, 149, 10, pp 953-958
Abstract

A serological survey for antibodies to Cowdria ruminantium in the blood of cattle from 4 different eco-climatic zones of Guinea was conducted [at an unspecified date]. 414 sera were tested using an indirect ELISA developed in Guadeloupe. ∼60% of these sera had anti Cowdria antibodies. The survey...

Author(s)
Barry, A. M.
Publisher
International Foundation for Science (IFS), Stockholm, Sweden
Citation
Parasitology research in Africa. Proceedings of an IFS Workshop, Bobo-Dioulasso, Burkina Faso, 6-10 November 1995., 1996, pp 49-53
Abstract

Indirect immunofluorescence tests with Cowdria ruminantium antigen were carried out in 1988 and 1989 in serum samples from zebu, Djakoné and N'Dama calves in the Sahel, Niayes and North Guinea zones, respectively. In the Niayes and North Guinea zones positive reactions were given by 70% of the...

Author(s)
Gueye, A.; Martinez, D.; Mbengue, M.; Dieye, T.; Diouf, A.
Citation
Revue d'Élevage et de Médecine Vétérinaire des Pays Tropicaux, 1993, 46, 3, pp 449-454
Abstract

After recovery from experimental infection with C. ruminantium a carrier state persisted for up to 12 months in 3 goats and 2 months in 3 zebus. The carrier state was demonstrated by feeding Amblyomma variegatum nymphs on the recovered animals and the resulting adult ticks on susceptible goats. C....

Author(s)
Camus, E.
Citation
Revue d'Élevage et de Médecine Vétérinaire des Pays Tropicaux, 1992, 45, 2, pp 133-135
Abstract

In December 1998, a 9-month-old zebu with nervous symptoms, infested with Amblyomma variegatum and, following detection of colonies of Cowdria ruminantium in samples taken from the brain, was diagnosed with heartwater. This appears to be the first report of heartwater on the island of Mayotte. More ...

Author(s)
Camus, E.; Fourrier, J. C.; Vely, M.
Citation
Revue d'Élevage et de Médecine Vétérinaire des Pays Tropicaux, 1998, 51, 4, pp 282
Abstract

Nymph and adult A. variegatum ticks were collected from 2 sheep experimentally infected with Cowdria ruminantium, homogenized and the supernatants from 3 nymphs or adults injected i.v. into 28-30 sheep. It was calculated that 13.3% of the nymphs and 1.2% of the adults became infected. When 60 sheep ...

Author(s)
Gueye, A.; Mbengue, M.; Diouf, A.
Citation
Revue d'Élevage et de Médecine Vétérinaire des Pays Tropicaux, 1993, 46, 3, pp 441-447
Abstract

Epidemiology, geographical distribution, vectors, pathogenesis and host resistance are reviewed.

Author(s)
Uilenberg, G.
Citation
Bulletin Mensuel de la Société Vétérinaire Pratique de France, 1990, 74, 5, pp 241-245,246-255

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