Hyraceum, also called «Africa stone,» is the petrified and rocklike excreta of the rock hyrax, a medium - size mammal that looks like a big guinea pig and whose closest living relative, oddly, is the elephant. (discovermagazine.com)
Some residents of New Takoradi have expressed displeasure about the indiscriminate dumping of human excreta into gutters, market places and in the sea by some members of the community. (citifmonline.com)
Concentrated animal feeding operations create additional inefficiencies as nitrogen and phosphorus in animal feed are transported to feed lots, but the nitrogen and phosphorus in animal excreta are not returned to crops. (issues.org)