Algae Could Be an Environmentally Friendly Livestock Feed, Study Finds

http://feedproxy.google.com/~r/YaleEnvironment360/~3/IenPZHaNcNM/

Algae could replace corn as feed for cattle and other livestock, according to findings published in the Journal of Animal Science. Algae — hardy Algae-based cattle feed microorganisms that can grow in a variety of environments and laboratory settings — require less fertilizer, water, land, and herbicides than corn, and thus could prove to be an environmentally friendly alternative for livestock feed, researchers say. The materials used in the new study were remnants of algae grown and processed for other applications, such as cosmetics, cooking oil, and biofuels, and would otherwise have been burned as waste. The researchers found that even these pre-processed leftovers were able to provide the same amount of protein as corn, along with slightly more fat. Cattle in the study readily ate the algae at a variety of concentrations and maintained their body weight as well as corn-fed cattle. Researchers say the algal meal could be priced to compete with corn and could be on the market by 2016.

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