HC Deb 15 April 1954 vol 526 cc130-1W
Mr. Peter Freeman

asked the Secretary of State for the Home Department whether he will publish a table showing the number of experiments on animals for the purpose of cancer research in each year since these records were kept to the latest known date, and indicating the number of each variety of animal, separately; and the total over the whole period.

Sir D. Maxwell Fyfe

The annual totals of experiments on animals for cancer research since 1907, almost all of which were on mice, were as follow:

Year Total
1907 45,032
1908 40,870
1909 45,182
1910 49,662
1911 41,025
1912 24,870
1913 26,269
1914 22,371
1915 11,657
1916 7,624
1917 6,231
1918 6,027
1919 7,644
1920 6,136
1921 7,359
1922 13,146
1923 14,081
1924 8,083
1925 12,623
1926 15,167
1927 15,275
1928 34,180
1929 20,098
1930 25,259
1931 23,873
1932 32,381
1933 43,281
1934 50,022
1935 29,835
1936 33,507
1937 35,008
1938 35,222
1939 26,936
1940 11,730
1941 15,448
1942 14,300
1943 15,674
1944 21,571
1945 11,430
1946 32,286
1947 31,924
1948 56,585
1949 75,343
1950 78,192
1951 91,410
1952 95,991
1,367,820