Wael Elfeil
Associate Professor of Poultry Disease
MEVAC Clinical Research Consultant, MEVAC Inc. Egypt; Associate Professor of Poultry Disease, Suez canal University, Egypt
Associate Professor of Poultry Disease
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Article published the July 2, 2020
Introduction Avian influenza is a highly contagious worldwide zoonosis caused by avian influenza A virus (AIV) (Wlliams, 2016). This virus is a single strand RNA, negative sense, segmented virus that belongs to the family Orthomyxoviridae (Swayne and Glisson, 2013). Type-A influenza virus is isolated from birds and is termed avian influenza or avian flu (Alexander, 2000). The influenza virus cont ...
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Article published the July 2, 2020
INTRODUCTION Coccidiosis, caused by protozoa of the genus Eimeria, is one of the most important parasitic diseases in chickens and is characterized by intestinal lesions, blood loss, body weight loss, a poor feed conversion ratio (FCR), increased susceptibility to other microorganisms and mortality1. Seven species of Eimeria that infect chickens cause hemorrhagic (E. tenella, E. necatrix and E. b ...
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Article published the July 2, 2020
1. Introduction Infectious bronchitis virus (IBV) is a single-stranded enveloped RNA virus that belongs to the genus Gammacoronavirus, family Coronaviridae [1]. The virus causes a clinical disease characterized by coughing, sneezing, tracheal rales, and watery eyes. In layer and breeder chickens, the disease is associated with both quantity and quality deterioration of egg production. Lesions in ...
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Article published the June 29, 2020
Introduction The Infectious Bursal Disease Virus (IBD/IBDV) or Gumboro Disease is an acute highly contagious viral disease of young chickens characterized by a hemorrhagic syndrome, severe damage in cloacal bursa, immunosuppression and high mortality generally at 3 to 6 weeks of age (Eterradossi and Saif, 2013). IBD was first reported in 1957 in Southern Delaware town of Gumboro, U.S.A (Cosgrove, ...
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Article published the June 29, 2020
1. INTRODUCTION Necrotic enteritis is an emerging worldwide disease of poultry. It is characterized by sever diarrhea, necrotic inflammation of the intestinal tract and necrotic foci in liver, kidney and cecum (Kohler, 2000). The disease resulting in severe economic losses that exceed 2 billion US dollar / year due to bird losses, treatment costs and cost of disease preventive measures (Lovland ...
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Article published the June 29, 2020
Introduction Virulent bacteria are incriminated in huge economic casualties in the duck industry globally. Bacterial diseases cause higher mortality rates in ducks more than viral diseases. The mortality rates and bacterial diseases have been expanded worldwide [1-2]. Multiple of bacterial pathogens including P. multocida, Escherichia coli, Staphylococci, Pseudomonas aeruginosa, and Salmonella ha ...
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Article published the June 26, 2020
Introduction In Egypt, poultry sector is the fastest growing industry, with over 90 billion Egyptian pound investments. (1$ = approximately 17 L.E.) (Sabry, 2019). It provides the country with the greatest part of its meat production, in addition to job opportunities  for  approximately  3 million employees (Sabry, 2019). Several pathogenic agents affect the poultry and associated ...
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Article published the June 23, 2020
INTRODUCTION Escherichia coli is one of the major infectious agents that can cause tremendous problems in chickens. Pathogenic E. coli strains can be classified into intestinal and extra-intestinal E. coli according to their virulence factors and clinical symptoms. Colibacillosis is one of the most serious diseases affecting poultry resulting in severe economic losses due to mortalities, weight ...
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Article published the April 22, 2020
Introduction Avian Infectious bronchitis (IB) is a highly contagious and economically important worldwide viral disease of chickens. It affects chickens of all ages with severe signs in younger birds and high mortality rates especially when a co-infection with a secondary bacterial or viral pathogen(s) (1–4). Infectious bronchitis virus (IBV) mainly causes respiratory disease and nephritis ...
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Discussion created on March 30, 2020
We can discuss the details and prophylactic measures for Middle east Infectious bronchitis variant 2 (GI-23)
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Location:Ismailia, Al Isma´iliyah, Egypt
Profile: Academic / scientific
Professional Title: Associate Professor of Poultry Disease
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