§ Mr. Morley
To ask the Minister of Agriculture, Fisheries and Food what research he has evaluated on the incidence of drug-resistant nematode worms in sheep. 
§ Mrs. Browning
[holding answer 27 February 1997]: I refer the hon. Member to the reply given to him on 27 February 1997, Official Report, column 328. In addition, no veterinary medicine is authorised for use unless it meets stringent statutory criteria of safety, quality and efficacy. Information submitted in support of applications for authorisation of products intended for the prevention or treatment of infectious diseases or parasitic infestations must include data on the emergence of resistant organisms. Information relating to the authorisation of specific products, however, is subject to the confidentiality requirements of section 118 of the Medicines Act 1968.