asked Her Majesty's Government:If they will publish the most recent figures for confirmed BSE cases broken down by year of birth. [HL1480]
The position in Great Britain as at 26 March 2001 was as follows:
| Year of birth | Total number of confirmed cases |
| 1974 | 1 |
| 1975 | 0 |
| 1976 | 2 |
| 1977 | 10 |
| 1978 | 6 |
| 1979 | 41 |
| 1980 | 101 |
| 1981 | 261 |
| 1982 | 1,393 |
| 1983 | 4,462 |
| 1984 | 8,067 |
| 1985 | 11,065 |
| 1986 | 19,733 |
| 1987 | 36,876 |
| 1988 | 22,192 |
| 1989 | 12,652 |
| 1990 | 5,647 |
| 1991 | 4,591 |
| 1992 | 3,201 |
| 1993 | 2,454 |
| 1994 | 1,351 |
| 1995 | 379 |
| 1996 | 5* |
| Unknown | 43,322 |
| Total | 177,812 |
* A fourth case of BSE in an animal born in 1996 was confirmed on 9 February. The animal was born in January 1996, before the feed ban is considered to have been fully effective.
A fifth case of BSE in an animal born in 1996 was confirmed on 22 March. The animal was born in May 1996, before the feed ban is considered to have been fully effective.
The unknown dates of birth relate to cattle born before 1 July 1996, when it became mandatory for cattle to have passports which show their date of birth. In some cases it is not possible to confirm the date of birth of these animals from farm records.