Russia: Solution for depressed pigs

Over the last few decades, the incidence of depression has increased considerably among humans all over the globe. Things are not that different for pigs, say Russian scientists. They recently tested a new feed additive designed to make pigs happier. Pigs are just like humans. They experience stresses that may drive them to the edge of mental instability, says Konstantin Ostrenko, a researcher on this topic who is connected to the All-Russian Research Institute of Physiology, Biochemistry and A