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Comparative studies carried out in four laboratories revealed that in the examination of frozen or fresh minced meat samples tryptone soya broth and glucose mineral salts medium used for pre-enrichment gave the same results as buffered peptone water. The three tetrathionate media (Cardiff formula, Difco and Oxoid) used for enrichment after pre-enrichment, yielded approximately the same number of positive samples and about the same number of frozen and cooled samples was found positive when data of all four laboratories were considered. Between laboratories a considerable variation in results was found. This indicates the necessity to conduct comparative trials in more than one laboratory to validate the use of a specific method for regulatory purposes.
M van Schothorst, and
R J Gilbert, and
R W Harvey, and
O Pietzsch, and
E H Kampelmacher
January 1967,
Zentralblatt fur Bakteriologie, Parasitenkunde, Infektionskrankheiten und Hygiene. 1. Abt. Medizinisch-hygienische Bakteriologie, Virusforschung und Parasitologie. Originale,
M van Schothorst, and
R J Gilbert, and
R W Harvey, and
O Pietzsch, and
E H Kampelmacher
January 1972,
Annales de la Societe belge de medecine tropicale,
M van Schothorst, and
R J Gilbert, and
R W Harvey, and
O Pietzsch, and
E H Kampelmacher
January 1978,
Zentralblatt fur Bakteriologie, Parasitenkunde, Infektionskrankheiten und Hygiene. Erste Abteilung Originale. Reihe B: Hygiene, praventive Medizin,
M van Schothorst, and
R J Gilbert, and
R W Harvey, and
O Pietzsch, and
E H Kampelmacher
September 1978,
Tijdschrift voor diergeneeskunde,
M van Schothorst, and
R J Gilbert, and
R W Harvey, and
O Pietzsch, and
E H Kampelmacher
April 1973,
Zentralblatt fur Bakteriologie, Parasitenkunde, Infektionskrankheiten und Hygiene. Erste Abteilung Originale. Reihe B: Hygiene, praventive Medizin,
M van Schothorst, and
R J Gilbert, and
R W Harvey, and
O Pietzsch, and
E H Kampelmacher
July 1987,
Journal of food protection,
M van Schothorst, and
R J Gilbert, and
R W Harvey, and
O Pietzsch, and
E H Kampelmacher
November 1985,
The Journal of applied bacteriology,
M van Schothorst, and
R J Gilbert, and
R W Harvey, and
O Pietzsch, and
E H Kampelmacher
February 1978,
Tijdschrift voor diergeneeskunde,
M van Schothorst, and
R J Gilbert, and
R W Harvey, and
O Pietzsch, and
E H Kampelmacher
December 2014,
Food microbiology,
M van Schothorst, and
R J Gilbert, and
R W Harvey, and
O Pietzsch, and
E H Kampelmacher
May 1982,
Tropical animal health and production,
