Revision ISO 10272 Detection and enumeration of ... - SVA

Questions from CEN/TC 275/WG 6- Optimum incubation time for Preston broth – 24 h- Ratio of headspace to enrichment volume – no mention of theuse of reduced headspace- Addition of blood (0, 1 or 5%) to enrichment media – Bolton +5% blood + FBP; Preston broth + 5% blood- Do Preston or Bolton broth select for different Campylobacterspecies – not clear at the moment- Should skin or pieces of meat be separated from enrichmentbroth by the use of filter bags – better in e.g. ISO 688716