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Table 4 Detection of Salmonella Yoruba in artificially contaminated animal feeds by the NMKL71 (RVS), MSRV and EN ISO 6579:2002 methods (RVS + MKTTn).

From: A comparative study of cultural methods for the detection of Salmonellain feed and feed ingredients

Feed type Selective medium cfu/25 g of Salmonella Yoruba
   0 0–1 1–10 10-102 102–103
Pellets of pig feed RVS 0/5 0/5 0/5 5/5 5/5
  MSRV 0/5 0/5 0/5 5/5 5/5
  MKTTn 0/5 0/5 0/5 5/5 5/5
Soybean meal RVS 0/5 0/5 5/5 5/5 5/5
  MSRV 0/5 0/5 5/5 5/5 5/5
  MKTTn 0/5 0/5 5/5 5/5 5/5
Palm kernel meal RVS 0/5 0/5 0/5 0/5 5/5
  MSRV 0/5 0/5 0/5 0/5 5/5
  MKTTn 0/5 0/5 0/5 0/5 5/5b
Rape seed meal RVS 0/5 0/5 5/5 5/5 5/5
  MSRV 0/5 0/5 5/5 5/5 5/5
  MKTTn 0/5 0/5 5/5d 3/5c 5/5c
Wheat grain RVS 0/5 0/5 0/5 0/5 5/5
  MSRV 0/5 0/5 0/5 0/5 5/5
  MKTTn 0/5 0/5 0/5 1/5a 5/5
Scrapings from feed mill RVS 0/5 0/5 0/5 0/5 5/5
  MSRV 0/5 0/5 0/5 0/5 5/5a
  MKTTn 0/5 0/5 0/5 0/5 5/5e
  1. a = One negative BGA plate.
  2. b = Two negative BGA plates.
  3. c = Three negative BGA plates.
  4. d = One BGA and one XLD plate negative.
  5. e = Five negative BGA plates.