2) Nomenclature. The nervous disease first reported in 1974, was named Viral Leukoencephalomyelitis of Goats (VLG). When it became apparent that arthritis could also result from the same virus infection, the name of the disease was changed to Caprine Arthritis Encephalitis Syndrome (CAE). It is now apparent that the virus also produces changes in the lung and udder. The name CAE however still remains in place.
chemical - of or made from or using substances produced by or used in reactions involving atomic or molecular changes; chemical fertilizer. noun compound, drug, substance, synthetic substance, potion The whole food-chain is affected by the over-use of chemicals in agriculture.
2. a substance composed of chemical elements, or obtained by chemical processes. [kemâ²ÉkÉl] Etymology: Gk, chemeia, alchemy. 1 n, a substance composed of chemical elements or a substance produced by or used in chemical processes.