Could Algae Replace Grain in Cattle's Diet?

The idea of using microbial protein — feed made from various microbes, like yeasts and algae — as a replacement for grain has been floating around for a few years now, reportsModern Farmer.

Anew studyfrom the Potsdam Institute for Climate Impact Research takes a look at microbial food grown specifically for its protein content in order to be used as a substitute for grain in parts of a cattle’s diet. Specifically, researchers wanted to understand how even a modest substitution of microbial protein would affect the environment.

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