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Wildlife health and disease surveillance  431


                  For more information on the application   information derived from sampling can guide
                of participatory wildlife health and disease   the collection of local knowledge (for example,
                surveillance, refer to Tomaselli (2018) in the   focused questions to understand the ecology of
                bibliography.                            a specific disease and its impact).



                11.4  Additional practical               Hunter-based sampling
                     considerations for data
                     gathering through local             The sample collection process must be practical,
                     knowledge, hunter-based             straightforward, and doable under the environ-
                     sampling and field disease          mental conditions and other constraints that
                     investigations                      exist in the setting. Sampling kits and samples
                                                         must be easily transportable in rough condi-
                Local knowledge gathering using PE       tions and must maintain their integrity during
                tools                                    any transport or storage that will be required.
                                                         If the system involves incentives for local par-
                Selection of the correct key informants is of   ticipants, the incentive distribution process
                paramount importance in order to collect good   must be simple, smooth and immediate upon
                quality data. Collaboration with local organi-  sample submission. Co-design of the sampling
                zations and leaders is essential in this phase.   programme, including the training, with hunt-
                Methods for gathering local knowledge can   ers and other stakeholders, is essential. Keep in
                vary depending on the objective of the surveil-  mind that sampling wildlife is inherently dif-
                lance/monitoring. To collect robust data on   ficult and circumstances or conditions beyond
                health parameters as well as diseases of the   the collector’s control often compromise sam-
                targeted species, it is advisable to interview par-  ples. Preparing as much as possible for non-ideal
                ticipants until thematic saturation is reached,   samples can help optimize results. For example,
                apply triangulation techniques, and validate   if multiple filter-paper blood strips are collected
                the information with participants. The research   but not all are perfectly saturated, at the time of
                team must be knowledgeable about the ethical   analysis it may be possible to combine two fully
                principles that apply when gathering knowledge   saturated halves to make ‘one whole’ strip.
                from people (and possibly from different ethnic
                groups). In addition, the team must be familiar
                with social science and PE methods and tech-  targeted field investigation
                niques. Relevant additional resources listed at
                the end of the section are the website of the   In case of reported abnormalities in the sam-
                Participatory Epidemiology Network for Animal   pled/harvested animals or observations of
                and Public Health (PENAPH) and Tomaselli    unusual mortalities, a specialized team should
                et al. (2018a). Local knowledge can inform the   act promptly and implement field disease inves-
                components of the surveillance that are based on   tigation activities whenever possible. Rapid
                sampling and vice versa. For example, informa-  follow-up and action are key to detecting disease
                tion from local knowledge holders can trigger   outbreaks in wildlife.
                a targeted disease survey or investigation (for
                example, the above-described observation and
                ultimate identification of orf virus); conversely,







       Vet Lab.indb   431                                                                  26/03/2019   10:26
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