Incidence of pseudomonads in some meat products with special references to pseudomonas aeruginosa

الملخص EN

A total of 130 random samples of meat products including 50 fresh minced meats, 40 fresh sausages and 40 frozen hamburgers were collected from different sources in Kafr El-Sheikh city.

The samples were examined for Pseudornonas organisms.

The obtained results pointed out that 72 %, 45 % and 25 % of the examined fresh minced meat, fresh sausage and frozen hamburger samples were positive for Pseudomonas microorganisms with average counts of 1.8 x 104, 1.2 x 103 and 2.1 x 103 cfu per gram using surface spread plate technique, respectively.

Biochemical and enzymatic activities for 8 isolates of Pseudomonas aeruginosa were investigated, it was noticed that the exoproducts of isolates exhibited lethal effect when injected intraperitoneally into white mice.

Concerning the antibiotic sensitivity of the 8 isolates strains of Pseudomonas aerug-inosa to 7 antimicrobial agents in vitro, they were only sensitive to Danafluxacine 100%, Norfluxacine 87.5 %, and Enrofloxacin 76 %.

Ciprofl-uxacine 62.5 %.

Gentamycine 50 %, Polymexin B 37.5 % and Chlorom-phinicol 12.5 %.