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An integrated approach to controlling brucellosis in Africa
Introduction to the meeting
Delia Grace
Workshop: An Integrated Approach to Controlling Brucellosis in Africa, Addis Ababa, 29-31 January 2013
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Research Firsts for Africa
1. Earliest lesions compatible with brucellosis found in hominin skeleton in South Africa, dated to around1.5 myo.
2. In 1921, Bevan, a vet in Zimbabwe first suggested that B. abortus could be zoonotic.
3. ‘Bakkale’ recognised by Fulani as a disease causing abortions & hgyroma. Confirmed as brucellosis in the 1940s.
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African livestock sector today
1. Many farmers, livestock and consumers. High preferences for animal source foods.
2. An important role for women in livestock production, processing, retail and food preparation.
3. Wildlife uniquely important and present opportunities and risk.
4. High levels of disease, yet low levels of reporting.
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175 million poor livestock keepers, 320 million people live in poor livestock keeping households
Source: ILRI report to DFID, 2012
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Africa: 600 million ruminants & pigs, 500 million in extensive systems
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SSA - 2000
3%
3%
4%
47%16%
3%
24%Meat
Dairy
Fruit & Vegetables
Cereals
Roots & Tubers
Dryland crops
Others
Source: Herrero et al 2008
Africa: one billion consumers with high potential to consume more livestock products
Europe - 2000
10%
11%
5%
31%5%
1%
37%
Meat
Dairy
Fruit & Vegetables
Cereals
Roots & Tubers
Dryland crops
Others
SS Africa: ASF 6% of dietEurope: ASF 21% of diet SS Africa: ASF 6% of dietEurope: ASF 21% of diet
2050: 2 billion consumers
Diet composition
Diet composition
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Importance of women
• 1% of African women own land but 10% own livestock
• Usually responsible for poultry, animals at the homestead,
watering, feeding and looking after sick animals
• High involvement processing and sale of ASF
• Prepare most food for household consumption
• Giving women the same
resource access as men
would add 20-30% to
farm yield (source: FAO, 2011)
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Zoonotic EID events 1930-2012 not from wildlife
Zoonotic EID events 1930-2012 from wildlife
•75% ZEID emerge from wildlife
• Major reservoir of important diseases including brucellosis
•Wildlife an increasingly scarce resource
•Bush-meat important for income and food
Wildlife an opportunity and risk
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High levels of avoidable livestock disease
• Transboundary animal disease
• Production disease
• Zoonoses
• Food borne disease
• Emerging disease
Young Adult
Cattle 22% 6%
Shoat 28% 11%
Poultry 70% 30%
Source: Otte & Chilonda; IAEA
Annual mortality of African livestock
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Dozens or hundreds of vets but millions of livestock
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Massive under-reporting of disease and disconnect between human, livestock and
wildlife disease surveillance systems
Bovine brucellosis official reports 2008-2012
Bovine brucellosis according to surveys
Source: LRI report to DFID Mapping poverty and likely zoonosis hotspots
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Status quo brucellosis in Africa
• Over 800 studies
• Present cattle, camels, shoats, horses, pigs, dogs, poultry, wildlife
• Average prevalence 10.5% in animals and 8% in people
• Reduce production by 8% per annum
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Expectations for the workshop
• Evidence on prevalence and impact of brucellosis
• Share experience on what works and what is to be avoided
• Provide forum for conversations, networks, publications, awareness
• Lead to plans, proposals and new investment in tackling brucellosis
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International Livestock Research Institute
Better lives through livestockAnimal agriculture to reduce poverty, hunger and environmental degradation in developing countries
www.ilri.org