Microbiological status of farms and baladi hens’ eggs

Abstract EN

This study was done to determine the microbiological status of farms and baladi hens' eggs and isolation of some pathogens of public health hazard.

A total of 300 farms and baladi eggs samples (150 eggs of each) and every five eggs from each sample were represented as one egg pooled sample (N = 60 pools from farms and baladi hens' eggs representing 30 pools for each) were microbiologically examined.

The incidences of aerobic bacteria, Enterococci, coliforms, faecal coliforms, E.

coli and yeats and molds in farms hens' eggs shell were 90, 36.7, 10, 6.7, 6.7 and 63.3%, respectively; while, for baladi hens' eggs shell, the incidences were 100, 80, 86.7, 73.3, 53.3 and 76.7%, respectively.

In farms hens' eggs content, the incidences of aerobic bacteria, Enterococci, coliforms, faecal coliforms, E.

coli and yeasts and molds were 36.7, 13.3, 0, 0, 0 and 26.7%, respectively; while, for baladi hens' eggs shell, the incidences were 80, 10, 20, 10, 6.7 and 36.7, respectively.

For pathogenic microorganisms, the incidences of Staphylococcus aureus in farms and baladi hens' eggs shell were 33.3 and 40%, respectively; while, for egg content, the incidences were 10 and 13.3%, respectively.

Coagulase negative Staphylococci (CNS) were isolated from farms and baladi hens' eggs shell in incidences of 3.3 and 46.7%, respectively; while, in eggs content, the incidences were 13.3 and 43.3%, respectively.

Listeria monocytogenes was isolated only from baladi hens' eggs shell in an incidence of 3.3%.

Salmonella spp.

couldn't be isolated from the shell and content from both types of eggs in this study.

The public heath significance and hygienic control measures were discussed in this study.