2007 Cilt 1 Sayı 3

Permanent URI for this collectionhttps://hdl.handle.net/11452/16887

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The effects of ozone and chlorine applications on microbiological quality of chickens during processing
(Uludağ Üniversitesi, 2007-12-01) Hecer, Canan; Balcı, Faruk; Udum, Cevahir Duygu; Veteriner Fakültesi; Gıda Teknolojisi Bölümü
In this study, effects of two antimicrobial applications (ozone and chlorine) on broiler carcasses after evisceration were investigated. The ozone and chlorine (sodium hypochlorite, NaHClO) were applied to broiler carcasses as 1.5 ppm and 30 ppm for 7 minutes, respectively. During the broiler processing, the samples were taken from 14 different points in the production line, 17 surface points and 5 workers’ hands for the microbiological analyses as ten replicates. At the beginning, Escherichia coli growth was not observed after ozone treatment. But, E. coli growth increased after portioning and grading of broiler carcasses. It is assumed that workers’ hands and equipment can be a source of secondary contamination. Ozone can also be used in lower concentration and more safely than the chlorine.
The first isolation of Brucella melitensis from bovine aborted fetus in Turkey
(Uludağ Üniversitesi, 2007-12-01) Büyükcangaz, Esra; Şen, Ayşin; Veteriner Fakültesi; Mikrobiyoloji Bölümü
Between 2004 and 2005 in Marmara region, Turkey, 41 abortion cases from cattle was investigated by standard isolation procedures for determinating possible role of Brucella spp. The isolates from 8 (19.5 %) of 41 bovine abortion cases were identified as Brucella spp. Biotyping revealed that, 7 (87.5 %) isolates were B. abortus biotype 3 and one (12.5 %) was B. melitensis biotype 3. Since the isolation of B. melitensis from an aborted bovine fetus was not substantially reported in Turkey until now, this report may be considered one of the indicative studies.

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