van den Heever L W, van der Made H N
J S Afr Vet Assoc. 1977 Mar;48(1):51-2.
The results of parallel examination by two methods of 223 consignment samples of carcase meal were compared. Selective pre-enrichment of 5 g of sample prior to plating on to a solid media disclosed that 2,7% of consignments were contaminated with Salmonella. Non-selective pre-enrichment of 100 g followed by selective enrichment prior to plating food 21,5% of the consignment to contain Salmonella.
对223份畜体粉托运样品采用两种方法进行平行检测的结果进行了比较。在接种到固体培养基之前，对5克样品进行选择性预富集，结果显示2.7%的托运货物被沙门氏菌污染。对100克样品进行非选择性预富集，然后在接种到食品培养基之前进行选择性富集，结果显示21.5%的托运货物含有沙门氏菌。
