Impressively, all the disparate parts of the operation circle back to each other, because White Oak labors to be zero-waste. Bones are windrowed to dry out — a soaring column of buzzards marks the location — and then ground for bone meal. Organs and feathers are composted; hides are tanned for rugs. Wash water from the humane, Temple Grandin-designed abattoirs goes to irrigation and litter from beneath the chicken shelters is spread on the pastures when the mobile houses are moved. Trays under the rabbit hutches catch droppings to raise earthworms. In the greenhouse, a graduate-student entomologist is using slaughterhouse discards to raise black soldier fly larvae for chicken feed.
Posted on: Sun, 29 Sep 2013 04:11:42 +0000