Dried distillers grains are environmentally friendly

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Dried distillers grains with solubles (DDGS) have become an important feed source in recent years. Besides their nutritional value, it appears that they have the potential to mitigate or reduce methane emissions from cows.

Researchers from Agriculture and Agri-Food Canada and Universite Laval in Quebec, Canada, studied this issue and reported their findings in the April 2013 issue of the Journal of Dairy Science.

“Enteric CH4 production (g/d) was reduced when increasing proportions of DDGS were incorporated in the diet of dairy cows at the expense of corn and soybean meal,” they wrote.

In fact, methane production was decreased by up to 14 percent at the highest inclusion rate (30 percent of dietary dry matter). Meanwhile, dry matter intake and milk yield responded positively to increasing DDGS proportions in the diet.

Read the abstract.

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