HC Deb 26 July 1951 vol 491 c80W
61. Mr. Spence

asked the Minister of Agriculture if he will make a statement regarding the present position and the future prospects of supplies of crystal violet for use as a preventive against swine fever.

Mr. T. Williams

There is at present a temporary shortage of swine fever crystal violet vaccine owing to the failure of two large batches of the vaccine to pass the tests. Another batch is now under test, and I hope that supplies will be available for issue before the end of next week.