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OJVRTM

Online Journal of Veterinary Research©

(Including Medical and Laboratory Research)

Established 1994

ISSN 1328-925X

Volume 30 (10): 632-643, 2026.

Prevalence of enterobacteria in dairy products.

Azza A Kamel Sobeih, Ibrahim I Al-Hawary, Elsayed M I Khalifa, Nahla A Abd El-Wahab Ebied.

Faculty (s) of Veterinary Medicine and Animal Health Research Institute, Kafr El-Sheikh Branch, Egypt.

ABSTRACT

Sobeih AMK, Al-Hawary II, Khalifa EMI, El-Wahab Ebied NAA,, Prevalence of enterobacteria in dairy products. On J Vet Res., 30 (10): 632-643, 2026. We report Enterobacteriaceae in 100 raw milk, 50 yoghurt and ice cream samples (Sheikh, Egypt). We found enterobacteriaceae in 84% raw milk (1.02x10⁶ + 1.98x10⁵ cfu/g), 32-40% yoghurt (6.95x10³ + 4x10³and 1.57x10³ + 8.95x10² cfu/g), and 20-64% ice cream samples (1.02x10⁴+ 4.13x10³ and 1.4x10³ + 8.26x10² cfu/g). Most frequent in milk were Hafnia alive (30.95%) and Serratia liquefaciens (25.0%) whereas E. coil was isolated (44.44%) from yoghurt and Serratia marcescens (57.14%) in ice cream. Our findings suggest that raw dairy products from these localities may be unsafe with Enterobacteriaceae from fecal contamination.

Keywords: Enterobacteriaceae, raw milk, yoghurt, ice cream.

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