§ Mr. Hoosonasked the Minister of Agriculture, Fisheries and Food if Warfarin-resistant rats have now spread from the area of containment; and whether he will give precise information about the present position.
§ Mr. John MackieSome rats found recently on two farms at Cemmaes about one mile outside the containment area were reported as being resistant to warfarin. This district is being carefully surveyed but so far resistance has not been confirmed. Otherwise the position has not changed since that described in the reply given by my hon. Friend the Joint Parliamentary Secretary on 27th May, 1966.—[Vol. 729, c.167.]