participatory appraisal of foot and mouth disease in the afar pastoral area, northeast ethiopia: implications for understanding disease ecology and control strategy. | foot and mouth disease (fmd) is the most economically important disease of livestock that still affects extensive areas of the world. this study described the use of participatory appraisal tools such as pair-wise ranking, matrix scoring and proportional piling to assess the perception of livestock keepers about the clinical signs and epidemiological features of cattle diseases with particular emphasis on fmd. strong agreement among informant groups (w = 0.710; p = 0.000) in pair wise ranking in ... | 2010 | 19575306 |