In the development community indicatoris a term more frequently used than 'statistic',as it attracts more attention from potential users,including decision-makers and the media. Indicatorstransform and communicate data. Data are pieces ofinformation that are either directly observed and collected(primary data) or retrieved from other sources (secondarydata), and then processed through appropriate methodologiesto produce indicators. Simple indicators are aggregations ofdata standardized by some time, space, and or otherdimensions. Examples for livestock include the number ofcattle in a country on a given day; the average number ofanimals affected by a disease in a given country each year;or the value of live animals exported from a country in agiven year. Livestock-related indicators are used for arange of purposes, including analyses of sectors' orvalue chains' performance, monitoring and evaluation ofinterventions in the form of policies, programs andprojects, and comparisons between countries and sectors.Decision-makers look at indicators from three mainperspectives: level of the indicator, showing its status;dispersion or concentration of the indicator, whichrepresents the variability of its status; and trends in theindicator over time, space, or other progressions relevantto the decision being made.
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