Distribution of some aerobic bacteria in an infected Cyprinus carpio L. fish farm in Basrah and its resistance to antibiotics

A. Al-Imarah, Eman

	Distribution of some aerobic bacteria in an infected Cyprinus carpio L. fish farm in Basrah and its resistance to antibiotics
journal of kerbala university
Article 1, Volume 4, Issue 2, 2008, Pages 209-215 PDF (0 K)
Author
Eman A. Al-Imarah
Abstract
During April 2004, 30- carp male infected fishes and 25 water samples from fish farm ponds in Basrah city were collected. swabs were taken from: under scales , gills , air sac , intestine , spleen , liver , heart , gonads , and kidney. Both samples were tested for bacteria. The following Gram-negative bacterial species were isolated from all samples: Pseudomonas fluorescence (41isolates),Aeromonas hydrophila (28 isolates), Escherichia coli (27 isolates),Klebsiella pneumoniea (21 isolates), Pseudomonas sp.(18 isolates), and Proteus vulgaris(17 isolates). Pseudomonas fluorescence was the dominant among Gram- negative bacterial species isolated from fish samples while Escherichia coli was the dominant among Gram- negative bacterial species isolated from water samples. The Gram- positive bacterial species which isolated from all samples were: Staphylococcus aureus(31 isolates),Sterptococcus faecalis (25 isolates), S.faecium(19 isolates) , Staphylococcus epidermidis(11 isolates), and S.pyogenes(11 isolates). Numbers of Gram- negative bacterial species that isolated from all samples were greater than those of Gram-positive bacterial species. The Minimum Inhibitory concentrations (MICs) for 10 isolates of each bacterial species were determined; Gram- negative bacterial species showed more antibiotic resistance than Gram-positive bacterial species

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