Zobrazeno 1 - 9
of 9
pro vyhledávání: '"Samir A. Nassif"'
Autor:
Mahmoud M. Abotaleb, Rasha G. Tawfik, Dalia M. Omar, Farida H. Mohamed, Shereen M. Aly, Noura M. Khalaf, Samir A. Nassif
Publikováno v:
VacciMonitor, Vol 33 (2024)
ABSTRACT Rabbit hemorrhagic disease virus 2 and Clostridium perfringens type A cause infections in rabbit. Vaccines are considered an effective strategy for fighting these infections. Nowadays, the demand for using a nanoparticle adjuvant as (Montan
Externí odkaz:
https://doaj.org/article/4242a461ce1f4698914590906874d086
Publikováno v:
Veterinary World, Vol 16, Iss 1, Pp 59-67 (2023)
Background and Aim: In late 2017, an H5N8 highly pathogenic avian influenza (HPAI) virus, clade 2.3.4.4, was isolated from domestic ducks in Egypt, which was associated with high morbidity and low mortality. The pathogenicity increased due to the con
Externí odkaz:
https://doaj.org/article/3451b70b05f3447487ba1fe9b26f3443
Publikováno v:
VacciMonitor, Vol 29, Iss 2, Pp 51-57 (2020)
The objective of this study was to investigate the effects of Spirulina platensis (SP) powder supplementation on immune response in SPF chickens. For this purpose, 120 SPF chicks were randomly clustered into six groups consisting of 20 birds each whi
Externí odkaz:
https://doaj.org/article/97be639f4f1144cf95acc019cf9d3441
Publikováno v:
Zagazig Veterinary Journal. 45:132-141
Swollen Head Syndrome (SHS) is a disease of upper respiratory tract affecting broilers and broiler breeders which resulted in inflammatory exudates beneath the skin. SHS has been described as a multi-factorial disease where the initial lesion mainly
Autor:
Farid Zaki, Samir A. Nassif, Esraa Fouad, Ahlam Mourad, Ahmed Setta, István Kiss, Asem Saad, Tamás Mató, Balázs Felföldi, Vilmos Palya
Publikováno v:
Avian pathology : journal of the W.V.P.A. 49(6)
Among the different vaccines used to control highly pathogenic avian influenza, an HVT vector-based live recombinant avian influenza vaccine, expressing the haemagglutinin gene of an H5N1 HPAI virus, has been used by the poultry industry since 2012.
Publikováno v:
Zagazig Veterinary Journal. 45:197-205
Marek’s disease is still a major problem among Egyptian poultry flocks, despite the intensive vaccination programs against the disease. This study was conducted to investigate the prevalence of MDV infection among forty-four flocks of breeders and
Publikováno v:
Zagazig Veterinary Journal. 45:206-217
vaccination programs against the disease. This study was conducted to investigate the prevalence of MDV infection among forty-four flocks of breeders and layers with ages ranged from 4-20 months. Feather follicle specimens were collected during 2012-
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0f4b6ac3075b8850a1c1f3d6699fa93f
Autor:
Abdel Hakem M. Ali, Elham A. El-Ebiary, Alexander Klimov, Ruben O. Donis, Amanda Balish, M. M. Taha, M. Aly Mona, Samir A. Nassif, Xu Xiyan, Magdi D. Saad, Nancy J. Cox, C. Todd Davis, Nasr El-Sayed, Kenneth C. Earhart, Hala Esmat, Eduardo O’Neill, A. Arafa, Lu'ay E. Ahmed, Mohamed Abd El-Halem, Jeffrey A. Tjaden
Publikováno v:
Avian diseases. 54
Highly pathogenic avian influenza A virus (H5N1) has diverged antigenically and genetically since its initial detection in Asia in 1997. Viruses belonging to clade 2.2 in particular have been reported in numerous countries with the majority occurring