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VetMed Resource

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Abstract

A days' production of Salmonella-contaminated dried skim milk (20 t) was examined. Native, and 1:2 and 1:4 diluted dried skim milk was sampled (n = 2160) and analysed using a modified standard procedure (samples were 750, 250, 125 or 25 g). In native samples 100% of Salmonella was isolated in 750-g ...

Author(s)
Hahn, G.; Schleert, U.
Citation
DMZ, Lebensmittelindustrie und Milchwirtschaft, 1991, 112, 50, pp 1549-1552
Abstract

Details are given of an ELISA method where light-blue fluorescence of a test stick under UV light (366 nm) indicates salmonellae. Detection limit for Salmonella typhimurium in spiked samples of bouillon, UHT milk, Camembert cheese and minced meat resp. was 0.0005, 0.004, 0.003 and 0.009/g. When 200 ...

Author(s)
Hahn, G.
Publisher
Deutsche Veterinärmedizinische Gesellschaft eV, Giessen, Germany
Citation
28. Arbeitstagung des Arbeitsgebietes "Lebensmittelhygiene". Garmisch-Partenkirchen, vom 29. Sept. bis 2. Okt. 1987., 1988, pp 237-241
Abstract

Anti-haemolysins obtained by immunizing rabbits and miniature pigs with haemolysin from Listeria monocytogenes serotypes 1/2a and 4b were used in a double sandwich ELISA technique that was highly specific for L. monocytogenes and the closely related species L. ivanovii, L. seeligeri, L. welshimeri ...

Author(s)
Hahn, G.; Hammer, P.; Heeschen, W.
Publisher
Deutsche Veterinärmedizinische Gesellschaft eV, Giessen, German Federal Republic
Citation
29. Arbeitstagung des Arbeitsgebietes 'Lebensmittelhygiene'. Leitthema: Qualitätssicherung und Lebensmittelhygiene. In Garmisch-Partenkirchen vom 13. bis 16 September 1988., 1988, pp 389-397
Abstract

Modified McBride agar (MMA), lithium chloride phenylethanol moxalactam agar (LPM) and Listeria Selective Medium (Oxford agar) were tested for detection of listeria in 65 red-smear and 37 yellow-smear (Harz) cheeses. In terms of selectivity, suppression of interfering organisms and identification of ...

Author(s)
Hammer, P.; Hahn, G.; Heeschen, W.
Citation
Deutsche Molkerei-Zeitung, 1988, 109, 50, pp 1700-1702, 1704-1706
Abstract

Artificial teats made of 'delrin' contained a cavity at the teat end which was filled with nutrient agar (Oxoid CM 3; 1% lactose and phenol red as indicator). Using milk contaminated with Escherichia coli and an experimental claw piece, these teats could be used to assess cross infection risks with ...

Author(s)
Hamann, J.; Hahn, G.
Citation
Milchwissenschaft, 1987, 42, 1, pp 32-34