Why preventing food chain crises is important and how to prevent them? FAO knowledge and practices

Article by Dr. Mona S. Chaya (FAO).

In recent years, the outbreaks of transboundary animal and plant pests and diseases and food safety incidents have been increasing in frequency, spread, and intensity. Avian Influenza, Peste des petits ruminants, Rift Valley fever, wheat rust, banana fusarium wilt, blue gum chalcid on eucalyptus forest trees, epizootic ulcerative syndrome on shrimps, salmonellosis, and many others are posing a big challenge to the food chain as they are spreading further and becoming more virulent and more resistant to vaccines pesticides. Many reasons contribute to these phenomena mainly global trade where pests and diseases travel with products, intensive food production systems pressuring pathogens and pests to vary genetically to resist to vaccines and pesticides. Climate change with rising temperatures, extreme weather conditions, and changes in precipitation patterns drive pests and pathogens to become more resistant, in addition to demographic growth and urbanization putting pressure on food demand thus the intensification of food production systems.

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