The isolation of Pseudomonas and other Gram(-) psychrotrophic bacteria in raw milks.

In this research, totally 200 raw milk samples in different areas of Ankara were collected from various dairy plant. The isolated psychotrophic bacteria from the raw milk samples are the species of Pseudomonas spp., Acinetobacter spp., Alcaligenes and Aeromonas. Isolation of Pseudomonas and other gram(-) psychrotrophic bacteria types are determined as P. aeruginosa 11 (5.5%), P. putida 11 (5.5%), P. fluorescens biotype I 10 (5.0%), P. fluorescens biotype II 4 (2.0%), P. fluorescens biotype III 6 (3.0%), P. aurefaciens 2 (1.0%), P. pseudomallei 3 (1.5%), P. cepacia 1 (0.5%), A. calcoaceticus lowffii 5 (2.5%), A. calcoaceticus anitratum 4 (2.0%), A. faecalis 3 (1.5%) and A. hydrophilia 1 (0.5%).