<http://schema.org/about>
"Once you've decided to raise chickens, you must decide which breed fits your situation best. Here's a rundown of the most sought-after chicken qualities."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/earth-matters/animals/photos/a-chicken-breed-to-fit-your-need/the-best-egg-layers>