Preliminary study of Vibrio alginolyticus infection in seabream | ||||
| Suez Canal Veterinary Medical Journal. SCVMJ | ||||
| Article 16, Volume 29, Issue 1, June 2024, Page 243-251 | ||||
| Document Type: Original Article | ||||
| DOI: 10.21608/scvmj.2024.296112.1174 | ||||
 View on SCiNiTO | ||||
| Authors | ||||
Abdelazeem Mohamed Algammal1; Reham ELTarabili   2; aya elalamy3
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| 1Department of Bacteriology, Immunology, and Mycology, faculty of Veterinary Medicine, Suez Canal University, Ismailia, Egypt. | ||||
| 2Bacteriology, Immunology, and Mycology Department, Faculty of Veterinary Medicine, Suez Canal University, Ismailia, Egypt | ||||
| 3Central Laboratory for Diagnosis and Treatment of Marine Fish Diseases, and Measuring of Fish and Water Quality, Ashtoum Elgamil, Port Said 42511, Egypt. | ||||
| Abstract | ||||
| For this investigation, 160 Gilthead seabream fish samples with external body surface hemorrhages, exophthalmia, and ocular opacity were obtained from the governorate of Portsaid, Egypt. Following thorough clinical, postmortem, and bacteriological assessments, samples were obtained from freshly dead fish. About 116 V. alginolyticus isolates were recovered from the examined fish after a bacteriological analysis. The examined fish showed many clinical signs such as hemorrhages on the external body surface, the base of fins, exophthalmia noticed, and the most common postmortem findings were pale, friable liver with hemorrhagic patches, bloody fluid, pale gills, and congested kidney The liver showed the greatest frequency of V. alginolyticus, followed by the kidney and Gills. On TCBS media, V. alginolyticus exhibited characteristic yellow colonies. The recovered isolates appeared as Gram-negative, non-spore-forming, curving rods or commas. All recovered isolates tested negative for urease and ONPG but positive for oxidase, catalase, lysine decarboxylase, ornithine decarboxylase, indole, and citrate utilization. Our research emphasizes the emergence of V. alginolyticus in seabream | ||||
| Keywords | ||||
| : Vibrio alginolyticus; Gilthead Seabream; Clinical and postmortem examinations | ||||
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