SI 7. Nutritious maize

MAIZE photoUsing native maize genetic diversity and novel tools, develop and disseminate maize varieties that are biofortified for pro-vitamin A (pro-V A), zinc, or essential amino acids (quality protein maize—QPM), thereby reducing 10–20% of the life-years that are lost annually to Vitamin A deficiency in five sub-Saharan African countries alone, and benefiting malnourished children who grow up on maize-based diets.



Estimated impact 2020 2030
Smallholder families potentially gaining from this initiative 200,000
(VA: 40,000;
QPM: 160,000)
(VA: 150,000;
QPM: 350,000)
Increase in maize production 52,000 tons 130,000 tons
Value of nutritionally enriched maize in terms of disability adjusted life years (DALYs) >200 million USD (2 million DALYs at $100 = $200 million; 52,000–130,000 tons of maize at $200/ton = 10.4—$26 million);
This benefit is far higher than the cost of breeding, testing and disseminating nutritionally enriched maize (Bouis and Welch 2010)
Increased human productivity (%) Between 0.5 and 1% of the national human productivity is lost due only to VA deficiency each year in five representative African countries; 10–20% of this is expected to be recovered as an impact of this project.


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