Sustainable animal production systems in Africa
Transcript of Sustainable animal production systems in Africa
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Sustainable animal production systems in Africa
61st International Congress of Meat Science & TechnologyClermont-Ferrand, France, 23–28 August 2015
Timothy RobinsonCatherine Pfeifer, Mario Herrero, Thomas van Boeckel & Marius Gilbert
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Overview
• What we mean by sustainability• Livestock sector trends and drivers• Mapping livestock distributions and
production systems• Livestock and livelihoods• Livestock and the environment• Livestock, health and nutrition• Conclusions
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What does sustainable mean?
Health and nutrition
Equity and growth
Climate and natural
resource use
Livestock production
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Drivers of change
Population
growthPolic
ies
and
inst
itut
iona
l ch
ange
Economic
growth
Urba
nisat
ion
Trade & marketing
Changing diets
Globalisation Climate
change
Feed prices
Energy prices
Transport
Health and nutrition
Equity and growth
Livestock production
Climate and natural
resource use
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Surface temperature projections
Source: IPCC's Fifth Assessment Report
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World population projection (UN 2012)
Source: Gerland et al. 2014Year
Tota
l pop
ulati
on (b
illio
ns)
7 Billion
9.5 Billion
11 Billion
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Continental population projection
Source: Gerland et al. 2014Year
Tota
l pop
ulati
on (b
illio
ns)
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Urbanisation in Kenya
Projections
1950
1960
1970
1980
1990
2000
2010
2020
2030
2040
2050
-
10,000
20,000
30,000
40,000
50,000
60,000
70,000
80,000
90,000
UrbanRural
Hum
an p
opul
atio
n in
thou
sand
s
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Per c
apita
GDP
(US$
ppp
200
9)GDP growth in sub-Saharan Africa
Source: IMF WEO, Standard Chartered Research 2011
Year
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GDP
(US$
bn)
GDP growth in sub-Saharan Africa
Source: Standard Chartered Research 2011
Selected African countries
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Drivers of change
0
20
40
60
80
100
120
140
0 5000 10000 15000 20000 25000 30000 35000 40000 45000 50000
Per capita GDP (US$ PPP)
Per c
apita
mea
t con
sum
pion
(kg/
year
)
USA
Japan
China
India
USA
JapanChina
India
Per capita GDP (US$ ppp)
Per c
apita
mea
t con
sum
ption
(kg/
year
) 2005
Source: FAO 2009
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• Demographic and social drivers• Population: + 32% or 9.6 billion people by 2050• Income growth: + 2% per year by 2050• Urbanization: 70% will live in cities by 2050
➜ Growth in demand for animal source foods• + 70% by 2050• + 200 million tonnes of meat
➜ Structural changes in the livestock sector• Shift from ruminant to monogastric• Intensification of production
➜ Impinges on global public goods• Equity and growth• Health and nutrition• Climate and natural resource use
The changing livestock sector
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• GLOBIUM: partial equilibrium model to determine consumption, production, prices and trade for different livestock commodities
• Projections to 2050 were based on a spectrum of Shared Socioeconomic Pathways (SSPs)
African livestock futures
Source: Herrero et al. 2014Socio-economic challenges for adaptation
Soci
o-ec
onom
ic c
halle
nges
for m
itiga
tion
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• 3 fold increase in milk consumption to 2050 – especially high growth in East Africa
• 6-7 fold increase in consumption of pork and poultry meat– especially high growth in West Africa
• Overall, poultry consumption exhibits the highest rates of growth throughout SSA
• The consumption of meat from pigs and chickens will exceed red meat consumption by 2030 in most sub-regions of SSA
• Smallholder mixed crop-livestock systems are, and will remain, the main producers of ruminant products to 2050, under all scenarios
• Under SSP1 a low trade deficit (10%) can be maintained to 2050
• Under SSP2 imports of milk and meat from monogastrics will double in relation to production
• Any negative deviation (SSP3) would make African livestock production largely uncompetitive – negative outcomes for producers, consumers and continental food security
African livestock futures
Source: Herrero et al. 2014
Some key results
Africa’s food importation bill
Total:US$ 44 billion
Meat:US$ 5 billion
Milk:US$ 4 billion
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Sustainable intensification
• Sustainable intensification will be key to elicit a production response in most regions of Africa
• Need to achieve rates of annual growth in productivity of around 6% per year
Annual growth rates of livestock production:
SSP1: Sustainability scenario > 5-6%SSP2: Business as usual 2-3%SSP3: Fragmentation scenario 1.5-2.5% ➜ Calls for an integrated, systems
approach to sustainable livestock sector development
➜ Need reliable data and information to guide policy
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Distribution of cattle in Africa (2006)
Gridded Livestock of the WorldSource: Robinson et al. 2014
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Ruminant production systems (v5)
Livestock only – arid & semi-arid
Livestock only – humid & sub-humid
Livestock only – tropical highlands
Mixed rain-fed – arid & semi-arid
Mixed rain-fed – humid & sub-humid
Mixed rain-fed – tropical highlands
Mixed irrigated – arid & semi-arid
Mixed irrigated – humid & sub-humid
Mixed irrigated – tropical highlands
Urban areas
Other (forest)
Source: Robinson et al. 2011
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Mapped based on rural population
Difference(total – extensive)
% backyard
% intensive
Monogastric production systems
Livestock distribution
Extensive production
Intensive production
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Chicken systems
Log per-capita GDP (US$/person/year)From World Bank data
Prop
ortio
n of
ext
ensiv
ely
raise
d c
hick
ens
Source: Gilbert et al. 2015
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Chicken systems
Extensive chickenproduction
Intensive chickenproduction
Source: Gilbert et al. 2015
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http://www.livestock.geo-wiki.org
International Livestock Research Institute
Food and AgricultureOrganisation of the UN
International Institute forApplied Systems Analysis
Université Libre de Bruxelles
Wageningen University
University of Oxford
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Mapping poor livestock keepers
Source: Robinson et al. 2011
165 million poor people in Africa depend on livestock for their livelihoods
Increases to 230 million PLK using the international $2.00 per day poverty rate
Livestock system PLKLivestock only – arid & semi-arid 22,582,000
Livestock only – humid & sub-humid 7,456,000
Livestock only – tropical highlands 653,000
Mixed rain-fed – arid & semi-arid 51,394,000
Mixed rain-fed – humid & sub-humid 41,647,000
Mixed rain-fed – tropical highlands 28,343,000
Mixed irrigated – arid & semi-arid 432,000
Mixed irrigated – humid & sub-humid 139,000
Mixed irrigated – tropical highlands 179,000
Other (forest) 11,701,000
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Source: Gerber et al. 2013
Livestock emissionsper unit of land
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Source: Gerber et al. 2013
per unit of edible protein
Livestock emissions
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Nutrition: the double-edged sword
Livestock are key to both sides
• Over one third of all adults across the world – 1.46 billion people – are obese or overweight
• Between 1980 and 2008, the numbers of people affected in the developing world more than tripled, from 250 million to 904 million
• We live in a world more than with 800 million hungry and 165 million stunted children
• Animal-Source Foods provide 17% of calories and 26% of protein
• Animal-Source Foods provide valuable micronutrients to the poor
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• More than 2 billion are sickened each year from the food they eat
• Millions more die from zoonotic diseases that emerge from, or persist in, agricultural ecosystems
• Diseases recently emerged from animals make up 25% of the infectious disease burden in least developed countries and kill one in ten people who live there
➜ We have proven agricultural interventions which can tackle the diseases associated with agriculture
➜ $25 billion invested in zoonotic disease control would bring benefits worth $125 billion
Diseases related to livestock farming
Source: Grace 2012
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Emerging infectious diseases
Source: Jones et al. 2008
Zoonoses from wildlife Zoonoses from non-wildlife
Drug-resistant pathogens Vector-borne pathogens
Global distribution ofrelative risk of an EID event
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Sources of antimicrobial resistance
Source: P. Huey (Science)
• Antimicrobial (ab)use in medicine• Intensive livestock and aquaculture
• growth promotion• prophylaxis and metaphylaxis• Therapeutic use
• Natural phenomenon in environment
Aquaculture growth 1950-2010
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Antimicrobial resistance
• AMR infections currently claim at least 50,000 lives each year across Europe and the USA alone ….. with many hundreds of thousands more dying in other areas of the world
• In 15 European countries more than 10% of bloodstream Staphylococcus aureus infections are caused by methicillin-resistant strains (MRSA) ….. closer to 50% in several of these
Source: O’Neill 2014
The O’Neill Report (2014)
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Intensification trajectories
• Model described in Gilbert et al. (2015) to estimate current proportions extensively raised chickens (globally)
© ILRI, Mozambique, Stevie Mann
• GDP PPP values and projections until 2020 from the IMF
• Projections beyond 2020 are based on regional growth rates and convergence scenarios (Leimbach et al. 2015)
• Poultry intensification trajectories, highlighting the changes in Nigeria, South Africa and Ethiopia as examples
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Intensification trajectories
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Intensification trajectories
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Intensification trajectories
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Intensification trajectories
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Intensification trajectories
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Antimicrobial use in livestock
• Total consumption in the livestock sector in 2010 estimated at 63,151 tons
• Global antimicrobial consumption will rise by 67% by 2030
• It will nearly double in BRICS (Brazil, Russia, India, China, and South Africa) countries
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Antimicrobial resistance
Source: Van Boeckel et al. 2015
Global antimicrobial consumption in livestock (mg per 10km pixel)
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Antimicrobial resistance
• The European Union banned the use of antibiotics to boost animals' growth in 2006
• There is a ‘voluntary’ ban in the USA…… Chick-fil-A, McDonalds and Costco
• Very difficult to regulate in the developing and emerging economies
➜ Concerted action – multi-stakeholder platforms
➜ Strengthen the evidence base linking agricultural use to AMR in the medical sector
➜ Appropriate approaches in different settings – poor countries may not have the ‘resilience’ or ‘capacity’ of Europe in withstanding a blanket ban, for example
➜ This is a global issue and calls for a coordinated, global response
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In conclusion
• Rapid demand growth for Animal Source Foods in Africa – especially milk, pork and poultry
• African production can only meet this demand, avoiding a growing trade deficit, under a sustainable growth scenario (SSP1)
• The required annual growth in productivity is around 6% per year
• Sustainable intensification will be needed to achieve this: equity – environment – health
• This calls for integrated, systems-based solutions to guide sector development along a sustainable pathway
• The need for action is urgent if African livestock production is to meet its growing demand
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Thank you!