Theakston Brewery company acquired and closed down the Lightfoot Brewery, also in Masham. Theakston's expanded into Cumbria in 1974 buying the Carlisle State Management Brewery. The brewery had been owned and operated by the government since 1916. However, the site was a financial drain on Theakston's and led to the company being taken over in 1984 by Blackburn based brewer, Matthew Brown plc. Matthew Brown was itself taken over by Scottish & Newcastle in 1987. Paul Theakston (Managing Director since 1968) left Theakston's in 1988, and in 1992 established the Black Sheep Brewery in the old Lightfoot Brewery premises - located adjacent
Black sheep ingroup member more negatively than comparable outgroup members. In most sheep, a white fleece is not albinism but a dominant gene that switches color production off, thus obscuring any other color that may be present. As a result, a black fleece in most sheep is recessive, so if a white ram and a white ewe are each heterozygous for black, in about 25 percent of cases they will produce a black lamb. In fact in most white sheep breeds only a few white sheep are heterozygous for black, so black lambs are usually much rarer than this. The term originated