The origin of the Committee on Genetic Nomenclature of Sheep and Goats (COGNOSAG) is described. The development of guidelines for naming genes and karyotypes and the working procedures of the Committee are outlined. Lists and summaries of the following loci have been published to date: visible traits other than colour in sheep (40 loci) and in goats (7 loci); blood and milk polymorphisms in sheep (40 loci) and in goats (14 loci). Colour and pattern loci in both sheep and goats will be published in 1990.

A. L Rae

Proceedings of the World Congress on Genetics Applied to Livestock Production, Volume XIV. Dairy cattle genetics and breeding, adaptation and conservation., , 508–510, 1990
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