Principal investigator (PI) and lead institution
Dr. Silvia Alonso, International Livestock Research Institute (ILRI)
Co-PI and collaborator institutions
Milk and dairy products are a key source of essential nutrients, but they are also greatly vulnerable to contamination with microorganisms and chemicals that can cause illness in people. The high levels of aflatoxins in milk reported in various African countries, with their carcinogenic effect and suggested association with chronic malnutrition in children, show the importance of understanding the amount of such hazards in dairy products and identifying steps along the dairy supply chain where such levels can be reduced.
The project will generate primary evidence on the aflatoxin contamination levels in feed and milk in peri-urban and rural dairy systems in Burkina Faso and their health implications for dairy consumers. It will also provide improved understanding of the rural and urban dairy value chains operating in the country and of points of leverage for improved milk quality and safety.
The project will survey traditional rural extensive and semi-intensive peri-urban dairy systems in Burkina Faso. The main dairy value chains will be mapped to describe the milk supply processes and actors. Samples of animal feeds and milk will be collected in dairy farms and tested for presence of aflatoxins and two milk-borne pathogens to determine the prevalence of these health hazards in both value chains. Lastly, quantitative risk assessment will be used to estimate the aflatoxin-related health risk associated with liquid milk intake.
Photo credit: S. Mann/ILRI
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