Types of Water Pollution. Toxic Substance -- A toxic substance is a chemical pollutant that is not a naturally occurring substance in aquatic ecosystems. The greatest contributors to toxic pollution are herbicides, pesticides and industrial compounds.he sources of water pollution are categorized as being a point source or a non-source point of pollution. Point sources of pollution occur when the polluting substance is emitted directly into the waterway. A pipe spewing toxic chemicals directly into a river is an example.
African Cattle. We supply two breeds of cattle from the Horn of Africa: Ethiopian Boran cattle (which have a pronounced hump) and the Somali cattle (which have a smaller hump).
1 Other characteristics: Brangus cattle are, like the Red Brangus breed, primarily 3/8's Brahman and 5/8's Angus. 2  The Brangus breed originated from research done at a USDA agricultural research station at Jeanerette, Louisiana, with the crossbreeding recorded to have its beginnings in 1932. Body type and characteristics: Brangus cattle are beefy cattle, with the same body characteristics and weight as Red Brangus, Beefmasters and Gerts: moderate-frame, loose skin, more rounded appearance on the rumps, and loose navel in all sexes and ages.