All samples were prepared and amplified by the dilution protocol of direct PCR technique (Kitpipit et al., 2014): approximately
1 mm2 punch of sample (from the inside of the specimen) was
added to 20 lL of phosphate-buffered saline (PBS) and heated at
98 C for 2 min. The mixed meat sample was prepared by pooling
1.5 lL of each meat pre-PCR dilution sample.