§ Viscount Lambtonasked the Minister of Agriculture, Fisheries and Food whether the bottle containing samples of saliva and scabs from the mouths of animals suffering from foot-and-mouth disease, sent to the Ministry of Agriculture Laboratory at Pirbright from Rothbury on 18th July contained disinfectant or any subject which nullified the virus and caused the laboratory to declare the test from animals now known to have been suffering from foot-and-mouth disease negative.
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§ Mr. John MackieNo, there was nothing in the bottle which could nullify the virus. Diagnosis of foot-and-mouth disease is primarily dependent upon veterinary clinical examination since negative laboratory tests for foot-and-mouth disease, as with all biological tests, are not always conclusive.