Serological survey of two viral infections (Parainfluenza type 3 and bluetongue) of the small ruminants in the Saharo-Sahelian and Sahelian zones of Africa
1985
Lefevre, P.C. (Centre de Cooperation Internationale en Recherche Agronomique pour le Developpement, Maisons-Alfort (France). IEMVT. Institut d'Elevage et de Medecine Veterinaire des Pays Tropicaux) | Calvez, D.
法语. isSheep and goat sera from arid or semi-arid areas were tested for BT and PI 3 antibodies. It appears that BT exists all over Africa even if the disease is not clinically evident. Although the climatic factors are not favourable to the vectors, the edaphic factors such as water holes or the altitude play an important role in the preva lence of the infection. Parainfluenza type 3 infection is also commonly distributed in tropical Africa. In the desertic or subdesertic areas, the rate of positive animals in smaller than in the humid tropics, but one of the main factor for the extension of the disease is the mode of rai
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