Presented by Bernard Bett at the IFPRI 2020 Policy Consultation and Conference, Side Event on Measuring and Evaluating Resilience in Drylands of East Africa, Addis Ababa, 15-17 May 2014
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Measuring and evaluating resilience in drylands of East Africa: Managing impacts from infectious disease outbreaks
1. Measuring and evaluating resilience in drylands of East Africa
Managing impacts from infectious disease outbreaks
Bernard Bett, ILRI
IFPRI 2020 Policy Consultation and Conference, Side Event on Measuring and
Evaluating Resilience in Drylands of East Africa, Addis Ababa, 15-17 May 2014
2. Background
• Infectious disease outbreaks-- one
of the important shocks in the dry
lands
• Rift Valley fever as a flagship
disease:
o Occurs in irregular patterns for
institutions to adequately plan
for, and manage, epidemics
o Socio-ecological drivers and
impacts
o Management -- requires multi-
disciplinary approaches and
partnerships
Gridded livestock of the world;
FAO, 2007
3. Rift Valley Fever
RVF is a mosquito-borne viral disease
of sheep, goats, cattle, camels with
zoonotic potential
Exposure to man – direct contact with
infectious material e.g. when
slaughtering, taking case of sick animals
Outbreaks associated with exceptionally
high, persistent rainfall and flooding
Trade aid the dissemination of the
disease
Disease impacts --more in the dry lands
Ideal ecological niche for the virus
Extreme weather events – negative
impacts on herd immunity
RVF hotspots in East Africa
4. Rift Valley Fever – impacts on producers
Predicted mortality rates of RVF in cattle and sheep by age group
Implications of mortality impacts:
Reduced offtake, decimation of replacement stock and loss of future
milk production
Predictions suggest that after 5 years, cattle and sheep populations
recover to between 91-97% of the carrying capacity
Interventions to enhance resilience? Diversification of production
systems, restocking efforts
5. Economic impacts
Downstream value chain actors – traders,
transporters, meat processors
Play a pivotal role in promoting
physical access to food
Greatest impacts from:
o Movement bans
o Maintaining animals that had
been purchased before sale
o Shift in consumer
preferences
Resilience – livestock traders
changed businesses or relied on
savings (Karl and Wanyoike,
2007)
- Systems dynamics models now
being developed to evaluate the
impacts of these shocks
Picture from Florence Mutua, ILRI
6. Summary
Measurement and evaluation of resilience to disease
epidemics
- Models
- Participatory methods to understand
sociological changes
Interventions
- involve multiple partners in the development of decision
support tools
7. Summary
Measurement and evaluation of resilience to disease
epidemics
- Models
- Participatory methods to understand
sociological changes
Interventions
- involve multiple partners in the development of decision
support tools