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).
Breeds of Livestock - Brahman Cattle. Brahman. The Brahman breed originated from Bos indicus cattle originally brought from India. Through centuries of exposure to inadequate food supplies, insect pests, parasites, diseases and the weather extremes of tropical India, the native cattle developed some remarkable adaptations for survival.