[Ecopathological survey on pneumopathies in goats during the dry cold season in Chad: methodological aspects]
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The authors describe the methodology used in an ecopathological survey of goat pneumopathies in periurban area of N'Djamena (Chad) during the dry, cold season of 1991-1992. The choice of farms was made after a typology survey. A total of 3,500 small ruminants ... ...
