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Abdulwahab Kammon(1-2010)

Vibrio vulnificus, a zoonotic bacterial pathogen was isolated for the first time from kidneys of black scorpionfish Scorpaena porcus collected from the south Mediterranean basin (western coast of Tripoli, Libya) during the early summer of 2013. Fish exhibited typical signs of Vibriosis with furuncle like lesions, skin hemorrhages, fin rot and congested spleen. The abdominal cavity, liver, intestinal wall, and gonads were suffering from mild larval nematode infection. Interestingly, a huge portion of the kidney tissue was replaced with the anisakids nematode Anisakis pegreffi. This is considered the first report ofV. vulnificus / A. pegreffi in the Mediterranean black scorpionfish. The identities of the retrieved V. vulnificus isolates were confirmed using morpho-chemical and molecular tools. The research lead us to conclude that the deteriorated nature of the sewage polluted seawater at the western coast of Tripoli could have played a detrimental role in facilitating the invasion with the two diverse etiological agents (V. vulnificus and A.pegreffi) . We also hypothesize that V. vulnificus was lodged within nematode worms or at one of its life stages before invading fish intestine with consequent spread into other internal organs during its visceral larval migration stage.
Abdulwahab Kammon(5-2015)

Abstract Background: Newcastle disease (ND) is a viral disease that affecting many avian species all over the world. Aim: ND has been successfully controlled by the vaccination of commercial poultry in Libya. However, there was a lack of information about the situation of ND in backyard chickens. Therefore, this study determined the prevalence of ND in backyard chickens in different locations of Tripoli. Methods: A total number of 280 cloacal swabs (190 in summer and 90 in winter) and 412 sera were collected from non-vaccinated backyard chicken flocks in different geographical locations within the area of Tripoli namely Qasr Ben Ghashier, Al-Sawani, Souq Al-Gomaa, Tajourah, Ein Zara, and Janzour. Cloacal swabs and sera were tested by real time polymerase chain reaction (PCR) and ELISA, respectively. Results: The prevalence of ND virus (NDV) infection in backyard chickens in different locations of Tripoli during summer and winter was 45% using real-time reverse transcription-PCR. Except in Qasr Ben Ghashier, the prevalence in summer season was significantly higher than in winter (X2 = 46.13, p ≥ 0.00001). ELISA test revealed 218 positive out of 412 tested samples with total prevalence of 53% across the city of Tripoli in all regions. Obviously, Qasr Ben Ghashier had significantly (X2 = 74.09, p ≥ 0.00001) the highest prevalence (82%) of NDV specific antibodies followed by Tajourah (68%). Conclusion: This study demonstrated the situation of ND in backyard chicken highlighting the necessity of a comprehensive vaccination plan for backyard chickens. arabic 14 English 90
ِAbdulwahab Kammon, Emhemed A. Gedara, Hesham A. Alseed, Abdunaser S. Dayhum, Mohamed A. Benothman, Soleman O. Al-Garib, Ibrahim M. Eldaghayes(3-2020)