<http://schema.org/about>
"When most people hear poultry at home, they think of chickens, thanks to the current trend of urban cluckers. It turns out that there are a lot more options tha"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/your-home/organic-farming-gardening/stories/beyond-chickens-poultry-to-keep-at-home>