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My plant has its own category 1 testing lab, but we can test for Salmonella (because its a category 2 pathogen). Therefore we need to split our test samples and send the Salmonella out to a contract lab, is it okay to do that?

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My plant has its own category 1 testing lab, but we can test for Salmonella (because its a category 2 pathogen). Therefore we need to split our test samples and send the Salmonella out to a contract lab, is it okay to do that?

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Yes. The FSA advises that, for situations like this in red meat plants, sponge sampling be used. The sponge samples should be taken back to the plant’s lab where a known volume (e.g. 90ml) of buffered peptone water is added to them. After stomaching the sponge, sufficient liquid (5-10ml) should be removed for TVC and Enterobacteriaceae testing. The remaining BPW and the sponge should be sent on to the contract lab for enrichment and Salmonella testing.

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