Analog meat balls are part of vegan cuisine. | Photo: Nitsan Simantov, License: CC BY-SA 4.0

1 kg of vegan food produces 4 kg of non-edible biomass

Published on the 01.11.2021. | By: Silvio Harnos

Agronomist Prof. Dr Wilhelm Windisch contradicts essential narratives that zoo opponents like to push.

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