Rationing in the United Kingdom warfare to try to starve Britain into submission. To meet this threat, voluntary rationing was introduced in February 1917. Bread was subsidised from September that year; prompted by local authorities taking matters into their own hands, compulsory rationing was introduced in stages between December 1917 and February 1918 as Britain's supply of wheat decreased to just six weeks' worth. To help the process, ration books were introduced in July 1918 for butter, margarine, lard, meat, and sugar. For the most part, rationing benefited the health of the country. During the war, average energy intake decreased by only 3%, but protein
Rationing in the United Kingdom children between five and seven years old had become used to wartime restrictions. When questioned about bananas, many did not believe such items existed. Game meat such as rabbit and pigeon were not rationed but were not always available. A popular music-hall song, written 20 years previously but sung ironically, was "Yes! We Have No Bananas". During the food rationing, British biologists ate laboratory rats. Most controversial was bread; it was not rationed until after the war ended, but the "national loaf" of wholemeal bread replaced the ordinary white variety, to the distaste of most housewives who found it mushy,