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With research staff from more than 60 countries, and offices across the globe, IFPRI provides research-based policy solutions to sustainably reduce poverty and end hunger and malnutrition in developing countries.

Liangzhi You

Liangzhi You is a Senior Research Fellow and theme leader in the Foresight and Policy Modeling Unit, based in Washington, DC. His research focuses on climate resilience, spatial data and analytics, agroecosystems, and agricultural science policy. Gridded crop production data of the world (SPAM) and the agricultural technology evaluation model (DREAM) are among his research contributions. 

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Where we work

IFPRI currently has more than 600 employees working in over 80 countries with a wide range of local, national, and international partners.

Can Ghana’s pond farmers match the productivity of their counterparts on Lake Volta? (The Fish Site) 

October 04, 2022


The Fish Site published an article on the ‘Accelerating Aquaculture Development in Ghana Through Sustainable Nile Tilapia Seed Production’ project which began in 2019. The project’s main aim was to ensure that the small-scale farms scattered across Ghana would have access to quality fry, thereby improving their harvests and the profitability of their farms. The institutions which collaborated to implement the project were the International Food Policy Research Institute (IFPRI) and other NGOs. Senior research fellow Catherine Ragasa, project leader, and senior research fellow, said that “the main issue we sought to address was the lack of quality tilapia seed material across the numerous fish farms scattered all over Ghana. The farms on the Volta Lake that were producing over 90 percent of annual aquaculture production had access to relatively good quality material, but that could not be said of the numerous pond farmers. So, we set out to train hatchery owners and provide them with good-quality stock. We also trained the farmers who were recipients of the new material, to ensure that they had the appropriate skills for making the project viable. “This has been a massive undertaking. We interacted with over 700 farmers across seven regions, and I have no doubt that the impact of the project will be far-reaching. You will soon see the production of pond farmers approaching, if not exceeding, the levels of production on the Volta Lake. Of course, that means a major contribution to national protein consumption and food security and job creation. I am really excited about the expected impact on the profitability of small-scale farming, and the livelihood of people involved in small-scale fish farming. There is solid evidence of good work done.” 

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