[Zickzack]

Lactic acid fermentation [1] is the secret to many sausages. In the case of Mettwurst [2], made of raw meat, it is essential. Aged steak, hanged pheasants [3 - with a discussion of bacteria] - even today, the list should be long.

[1] https://en.wikipedia.org/wiki/Lactic_acid_fermentation [2] https://en.wikipedia.org/wiki/Mettwurst [3] https://honest-food.net/on-hanging-pheasants-2/