§ Dr. Stuttafordasked the Secretary of State for Social Services, in view of the cross-resistance which is alleged to occur between tylosin and erythromycin, what 547W steps he proposes to take to control the use of this drug in animal feedingstuffs.
§ Sir K. JosephRegulations under the Therapeutic Substances Act, 1956, were laid before the House on 26th February, the effect of which is to prohibit as from 1st September, 1971, the sale and supply of feedingstuffs containing Tylosin except on prescription or in accordance with the written authority of a veterinary surgeon or practitioner.