mohamed

Mohamed Abd El-Aziz Ahmed abd El-Galil

Professor - استاذ

Faculty of Veterinary Medicine

Address: سوهاج کلیه الطب البیطری

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Pathological Findings of Tenacibaculum maritimus Infection in Black Damselfish, Neoglyphieodon melas and Picasso Triggerfish, Rhinecanthus assasi in Red Sea, Egypt
An outbreak of a disease with external body lesions in Picasso triggerfish (Rhinecanthus assasi) and black damselfish (Neoglyphieodon melas) has been observed in the indoor aquarium of NIOF, Hurghada, Egypt. Thirty Picasso triggerfish and thirty-five black damselfish were clinically affected with gross skin lesions. The affected fishes were euthanized for gross, histological and bacteriological examinations. The disease onset started after ... Read more

Trials for the control of trichodinosis and gyrodactylosis in hatchery reared Oreochromis niloticus fries by using garlic
The present work was designed to study the prevalence of trichodinosis and gyrodactylosis in Oreochromis niloticus fries, and to test the therapeutic efficacy and preventive efficacy of garlic oil and crushed garlic cloves. Trichodinosis and gyrodactylosis are ectoparasitic diseases that affect most warm freshwater fish, especially fries and fingerlings. In a private O. niloticus fish hatchery, the prevalence of trichodinosis ... Read more

Studies on Edwardsiellosis in Clarias Gariepinus Fish at Sohag Governorate
Edwardsiellosis (Emphysematous putrefactive disease) is one of the most serious bacterial diseases affecting Clarias gariepinus (C. gariepinus) fish. This study reported the most characteristic lesions including skin depigmented areas, external hemorrhages, small cutaneous ulcers, gas filled pockets give rise offensive odour and ascitis. The disease prevalence was 5.2% in the examined fish sample and 16.7% in the clinically diseased fish. ... Read more

2012 | Keywords Lernaeosis, Dipterex, Fingerli,
Studies on Lernaeosis and the efficacy of Dipterex as treatment in the Hatchery Reared Fingerlings of Cyprinids
The lernaea infested fingerlings of cyprinids showed the attachment of worm-like grey to greenish coloured copepods distributed along the both sides of the body, peduncle region especially at the base of caudal fin, base of dorsal fin and the buccal region. The sites of attachment were hemorrhagic nodules in C. carpio fingerlings and reddening without swollen margins in C. idella ... Read more

2012 | Keywords Edwardsiellosis, O. niloticus, ,
DIAGNOSIS AND SAFE PREVENTION OF EDWARDSIELLOSIS IN OEROCHROMIS NILOTICUS
Edwardsiellosis affected cultured O. niloticus showed haemorrhages allover the body especially at base of pectoral fins, operculum and belly, hemorrhagic mouth, protruded and congested vent, fin rot and exophthalmia. The isolated strains were identified biochemically as citrate negative and citrate positive E. tarda and the identification was confirmed by API20E system and PCR. The citrate negative isolate was highly pathogenic ... Read more

2012 | Keywords Rhinecanthus assasi, Neoglyphi,
Epidemiological and bacteriological studies on tenacibaculosis in some Red Sea fishes, Egypt
Tenacibaculosis is a serious bacterial disease known to affect many species of marine fish such as Rhinecanthus assasi (Picasso Trigger fish), Neoglyphieodon meles (Black damsel fish) and Cheilinuslunu latus (Broomtail wrasse). Tenacibaculum maritimum pathogen was recovered from ulcers, livers and spleens of clinically diseased fishes from coral reef in the marine site off the National Institute of Oceanography and Fisheries ... Read more

2012 | Keywords Tenacibaculosis, T. maritimum, ,
Experimental Infection of Tenacibaculosis and a Trial for Treatment by Plant Extract Carvacrol in Surge Wrasses Fish (Thalassoma Purpureum)
The experimental infection of surge wrasses fish by Tenacibaculum maritimum was successfully conducted through immersion bath for 18hrs in 1.5x106 suspension, the infected fish exhibited skin ulcers, stomatitis, tail rot, signs of respiratory distress as gasping and accumulation at air source site in association with 60% mortality. Carvacrol is a major compound of oregano and thyme and has antimicrobial activity ... Read more

2011 | Keywords Tenacibaculosis, Tenacibaculum,
Tenacibaculosis in Picasso Tigger Fish (Rhinecanthus Assasi) and Black Damsel Fish (Neoglyphieodon Meles) of Red Sea at Hurghada, Egypt
This study reported the first isolation and identification of Tenacibaculum maritimum (T. maritimum) in Egypt from Picasso Tigger Fish (Rhinecanthus assasi) and Black damsel fish (Neoglyphieodon meles) in the indoor aquarium of National Institute of Oceanography and Fisheries (NIOF) in Hurghada. The disease onset started after exposing the fish to catching and indoor rearing stress, the diseased fish manifested off ... Read more

2009 | Keywords lernaeosis, Lernaea, Cyprinus,
CONTROL OF LERNAEOSIS IN HATCHERY REARED CYPRINUS CARPIO FINGERLINGS BY COLOPHONY AND ITS STEAMED OIL
The recent trials for lernaeosis control were directed to the using of natural substances which are more safe and effective than organophosphate pesticides. Both crude colophony and its steamed oil fraction were tested for lernaeosis control in C. carpio fingerlings. The median lethal concentrations (LC50) of crude colophony (crude resin) and its steamed oil fraction were tested. It was 46.7ppm ... Read more

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