Laurian Unnevehr, IFPRI "Using Markets to Promote a Healthy Dietary Transition"
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Transcript of Laurian Unnevehr, IFPRI "Using Markets to Promote a Healthy Dietary Transition"
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Presentation at the ISPC Science Forum 2013 Session
“’Leveraging Value Chains for Better Nutrition and Food Safety:
Lessons for CGIAR Research?”
September 24, 2013
Laurian Unnevehr
Senior Research Fellow and
A4NH Theme Leader
IFPRI
Using Markets to Promote a
Healthy Dietary Transition
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Overview
• The Challenge: Income growth and market
development are not sufficient to improve
nutrition and food safety.
• The Opportunity: Can value chain research
improve market performance for nutrition and
food safety?
• CGIAR Research: How is it embracing this
opportunity?
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THE CHALLENGE
Income growth and market development are not sufficient to improve
nutrition and food safety.
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Income Growth Can Reduce
Child Stunting, But Other Actions Needed
A 10% increase
in GDP/PC
leads to a 6%
reduction in
stunting
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A Changing Focus
for Ag and Nutrition
• Increased calorie production and incomes no
longer seen as ag’s only role
• Focus on how agriculture influences other
important determinants of child stunting
– Women’s empowerment, education, time
– Sanitation and water quality
– Nutrient density and diet quality/diversity
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Income Growth Can Increase Risks of
Overweight and Obesity
6
A 10% increase
in GDP/PC
leads to a 7%
increase in
overweight
and obesity in
women
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Dietary Transition
• Diet shift from staples base to other foods is well-known development outcome
• Healthy diet diversity includes vegetables, fruits, legumes, animal source foods– Documented link to improved micronutrient density
and nutrition outcomes at micro level
• Undesirable increase in fats, sugars, processed foods now occurring at lower income levels with food system modernization
• Emerging double burden of over and under nutrition in many countries
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Diet Diversification: Food Group
Shares (kcal/cap/day)
2005
87
38 52
5
53
85130
24
Bangladesh
1596
10056
515
75
285
63
468
90
China
Starchy staples
Starchy
staples
Nutrient
Rich Foods
Nutrient
Rich Foods
Fats and SugarsFats and Sugars
Data Source: FAO Food Balance Sheets, 2009
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Ideal US China Bangladesh
Starchy
Staples
48 31 49 80
Legumes &
Nuts
22 5 3 4
Animal &
Fish
Products
10 14 20 4
Fruits &
Vegetables
9 7 9 2
Fats &
Sugars
11 43 19 10
Total
Calories
2200 Too many Too many Too few
Income Doesn’t Lead Diets
Towards Ideal Nutrition(shares of daily calorie consumption by food groups)
Source for “Ideal” shares: Thompson and Meerman, FAO, 2013
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Summary: Income Growth Not
Sufficient for Desired Nutrition
• Income not perfect driver for improved diets, nutrition– Lags in reducing stunting; emerging double burden
• Improved diets mean increases in diet diversity and consumption of nutrient rich foods– Micronutrient density and relationship to nutrition at
micro level well-established
– Potential for “unhealthy” diversity
• Price trends reinforce less desired outcomes– Relative prices: staples prices declining relative to more
nutrient rich foods
– Opportunity cost of time rising: switch to more processed foods with urbanization
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THE OPPORTUNITY
Can value chain research improve market performance for nutrition and
food safety?
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Why Income Growth is Not Sufficient:
Market Failures and Diet Quality
• Consumer knowledge incomplete
– nutrition, nutrient content/ safety of foods
• Supply constraints for nutrient rich foods
– perishability, seasonality, variable nutrient
content, food safety, transport
• Result: Under-provision of improved nutrition
and food safety
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Are There Also Public Failures?
• Public focus on staple crops means
underinvestment in nutrient rich foods
– Pulses in India
• Public focus on meeting food safety standards
for high income market access means
underinvestment in public health oriented
food safety
– Aflatoxins
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Nutrition-sensitive Value Chains:
A US Example
• Policy change: Mandatory trans fat labeling in 2006
• Value chain actors adjust:
– Testing new formulations; advertising new products
– Farm production of alternative oil sources expands through contracting
– Research (varieties, processing) key to support these changes
• Benefits for all consumers as trans fat in food supply declines
– CDC reports reduction in avg trans fat in US adults’ blood in 2009 health survey
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Food Safety in Value Chains:
A US Example
• Principles of supply chain approach to
prevention and control well-understood
• 2005 E.coli outbreak associated with spinach
exposed new sources of risk
• Permanent reduction in spinach demand
• Leafy Greens Producer Agreement identified
and enforced process controls through
industry association
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What’s Missing in
Developing Markets?
• Effective demand and incentives through: – Brand equity
– Mandatory disclosure
– Regulations
– Risk and health communication
• Producer innovations supported through:– Research investments
– Institutions to reward coordination
• Can these be adapted for better nutrition in developing markets?
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Inputs into production
Food production
Food storage and processing
Food distribution and transport
Food retail and labeling
Value Chain Approach
Consumer
Producer
Supply side
Develop and test
solutions
Demand side
Characterize diets, market
access and constraints to
consumption of nutritious,
safe foods
Test solutions to improve
demand for nutrition and
safety along the value
chain
Identify production and
market constraints to
improved nutrition and
safety
Example: Increased
seasonal availability of
fruit
Example: Nutrition
education delivered
by vegetable seed
supplier
Example:
Create new
value chain
to deliver
nutritious
foods to
school
lunches
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Elements of This Approach
• Each value chain study for a nutrient-rich food should include all of these elements:
– Dietary and nutritional assessment of target population
– Identification of key foods to improve / diversify diets
– Mapping of the value chain for these foods
– Identification of constraints to supply and to demand
– Developing and/or testing interventions
– Identification of enabling policies
– Assessment of diet quality impact in target population
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Measuring Diet Quality Impact
• Focus on diet diversity/ quality as desired
outcome
– Targeted increase of single food not always a good
measure of diet quality—”do no harm”
– How do changes in value chains contribute to
diversity and address specific nutritional needs?
– Several measures of diet diversity validated for
diet quality in vulnerable groups
– Not reasonable to expect reduction in stunting
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Value Chain Impacts at
Market / Whole Diet Level?
• Develop markets for high value crops
– Increase income for producers
– Reduce relative prices of nutrient rich foods
– Increase consumer access to healthy diversity
• Leverage market incentives to enhance nutritional outcomes from markets
– Partnerships with private sector to direct market development towards better nutrition
• Can this provide the foundation for a more healthy dietary transition?
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CGIAR RESEARCH
How is CGIAR research embracing this opportunity and leveraging
existing expertise?
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2011
Cassava
Provitamin A
DR Congo, Nigeria
2012
Beans
Iron (Zinc)
DR Congo, Rwanda
2012
Maize
Provitamin A
Zambia
2012
Pearl Millet
Iron (Zinc)
India
2013
Rice
Zinc
Bangladesh, India
2013
Wheat
Zinc
India, Pakistan
Leveraging Crop Breeding:
Biofortification
VC Research Role: Test market channels for dissemination
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Leveraging Other
ProductionTechnologies
• Seasonality and Vitamin C content of mango
(ICRAF)
• Biocontrol of aflatoxin in maize and groundnut
(IITA and ICRISAT)
• Infant food development using small fish
(WorldFish)
• VC Research role: Test market viability and
consumer impact from these technologies
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Leveraging the
Private Sector
• Danone-Grameen fortified yoghurt venture
– Income enhancement for poor women
– Nutrition enhancement for vulnerable groups
• Vegetable seed suppliers in Bangladesh and Kenya
– Nutrition messages with production extension
– Encourage home consumption
– Expand demand to support expanded supply
• VC Research role: Validate responsible efforts; Identify scalable opportunities
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Leveraging Market Incentives
for Reduced Aflatoxins
• Aflatoxins naturally occurring and can enter or multiply at any stage from production to consumption
• Market solutions to improve/reward control:– Warehouse receipts to improve storage
– Alternate uses, eg., oil processing, animal feeds
– Training and product testing delivered through farmer organizations
– Biocontrol adoption linked to feed markets
• VC Research role: Test market and technology interventions together
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Leveraging Dedicated
Supply Chains
• Home Grown School Feeding Programs
– Develop and reward local supply chains for school
feeding
– Promote nutrition education linked to local foods
– Support child nutrition, school performance, habit
formation
• VC Research role: measure nutrition,
education, and market synergies
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A4NH Research
In This Session
• Micronutrients: OFSP (CIP/IFPRI)
• Diet Diversity: Fruit (ICRAF)
• Food Safety: Animal source foods (ILRI)
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THANK YOU!
For more information on A4NH Value Chain Research:
http://www.a4nh.cgiar.org/our-research/value-chains-for-enhanced-
nutrition/