We quantify commonly available by-product types in Austria, and discuss potentials and limitations associated with mealworm farming. In this article, we provide an overview of by-products that have been used in mealworm feeding trials. They are an efficient biomass converter of low-quality by-products, such as wheat bran and brewer’s spent grain. In this context, mealworms have been discussed as a sustainable and resource-efficient protein production option in circular food systems.
At the same time, food-related greenhouse gas emissions must be reduced to be in line with the 2 ☌ climate goal, to limit potential risks of climate change. In the future, more food must be produced on less land. Different challenges exist, such as climate change and a growing number of people living on the planet, that put pressure on current and future food systems.
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