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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.