Greener milk: How to make cow's nitrogen intake efficient

The amount of nitrogen that is excreted by livestock is directly proportional to the amount it is fed. This is according to Chris Reynolds a researcher in nutritional physiology of ruminants at the University of Reading, ...

Is pet ownership sustainable?

There has been much talk about sustainability, but little attention has been paid to its nutritional aspects. University of Illinois animal sciences researcher Kelly Swanson, in cooperation with scientists at natural pet ...

Phosphorus: Essential to life—Are we running out?

Phosphorus, the 11th most common element on earth, is fundamental to all living things. It is essential for the creation of DNA, cell membranes, and for bone and teeth formation in humans. It is vital for food production ...

'Fat worms' inch scientists toward better biofuel production

Fat worms confirm that researchers from Michigan State University have successfully engineered a plant with oily leaves—a feat that could enhance biofuel production as well as lead to improved animal feeds.

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