Quantitative and Qualitative Studies on Enterobacteriaceae in Ground Beef | ||
| Suez Canal Veterinary Medical Journal. SCVMJ | ||
| Article 7, Volume 19, Issue 2, December 2014, Pages 77-88 PDF (299.69 K) | ||
| Document Type: Original Article | ||
| DOI: 10.21608/scvmj.2014.65324 | ||
| Authors | ||
| Hosney Abdelrahman; Ali Meawad; Heba Shaheen* | ||
| Faculty of veterinary Medicine-Food Hygiene Department -Suez Canal University | ||
| Abstract | ||
| 120 packages of ground beef (40 each of fresh, frozen and frozen with Soya bean) were examined for the incidence of Enterobacteriaceae, Salmonella and E. coli. The incidence of Enterobacteriaceae was 100%, 75% and 87% in fresh, frozen and frozen with Soya ground beef respectively; and the mean counts were 6.3x104cfu/g, 1.4x102cfu/g and 1.6x103cfu/g respectively. E. coli, Klebsiella oxytoca, Serratia marcescens and Serratia liquefaiens could be isolated from fresh ground beef; Proteus vulgaries, E. coli and Enterobacter sakazakii was isolated from frozen ground beef, while in case of frozen ground beefwith Soya bean Klebsiella oxytoca, Proteus vulgaries, Citrobacter freundii, E. coli and Pantoea a gglomerans was isolated. The incidence of E. coli was 60%, 35%, 48% in fresh, frozen and frozen ground beef with Soya bean respectively. The incidence of Salmonellawas 0%, 10%, 15% in fresh, frozen and frozen ground beef with Soya bean respectively. E. coli strains were serologically identified into 20 O-typable strains and 37 O- untypable strains. The 20 O-typable strains were identified as O86, O119, O158 ,O145 and O115 . | ||
| Keywords | ||
| Ground beef; Enterobacteriaceae; E. coli; Salmonella | ||
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