Биологические науки список научных статей
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Molecular Survey and Characterization of H5N8 Isolates during 2016-2017 on Egypt
Avian influenza (AI) disease still threat poultry industry in Egypt causing great economic losses. In order to identify and characterize the agent of suggestive clinical cases of AI disease, 28 flocks showing clinical signs suspected to be due to AI infections have been investigated. By slide...
2018 / Mahmoud El-Saied Sedeik, Nahed Ahmed Elshal, Ashraf Mahmoud Awad, Nehal KandilScopusAGRISRSCI -
Haematological, Serum Biochemical and Histological Responses of Cockerels to Long Term Consumption of Telfairia occidentalis Leaves Extract
Haematological, serum biochemical and haematological histological responses were studied in cockerels undergoing a long-term supplementation with Telfairia occidentalis Leave Extract (TOLE). Haematological and serum biochemical parameters investigated included haemoblobin, white blood cells, red...
2019 / Temitope Oyekemi Onyekwereh, David Olusoji Adejumo, Kolawole Daniel Afolabi, Friday Chima Nworgu, Adenekan, Olusola OlubisiScopusAGRISRSCI -
Microalgae Biomass Application in Commercial Broilers Nutrition and Their Efficacy Against Challenge with Epidemic Newcastle Disease Virus in Egypt
Using microalgal biomass in animal diets has been studied recently. Many species of cultivated algae were found effective in maintaining animal growth performance, and in improving body weight. Using of microalgae collected from high rate algal ponds (HRAP) as a feed additive to broilers ration was ...
2019 / Sayeda Mohammed Abdo, Sameh Abdel-Moez Amer, Hagar Magdy Ahmed, Rehab Hamdy Mahmoud, Abeer Abdallah Salama, Mohamed Abdel-Aziz KutkatScopusAGRISRSCI -
Advancement in Vaccination of Broiler Chickens with Genotype-Matched Vaccines to Currently Epidemic Newcastle Disease Virus Genotype VII in Egypt
Newcastle disease virus (NDV) outbreaks still occur frequently in Egypt in spite of the heavy implementation of classic NDV vaccines for a long time ago, where NDV genotype VII has become the dominant genotype in Egypt from 2012 until now. Many previous studies have recommended using...
2019 / Sameh Abdel-Moez Amer, Mohamed Ahmed Ali, Ahmed Mohamed Kandeil, Mohamed Abdel-Aziz KutkatScopusAGRISRSCI -
A Comprehensive Review on the Common Emerging Diseases in Quails
The poultry industry is considered an important sector that meets the great demand for protein sources all over the world. Now, quails are recognized as promising and important alternative species with many advantages over other poultry species. In many countries around the world, quail meat has...
2019 / Wafaa A. Abd El-GhanyScopusAGRISRSCI -
The Evaluation of Dietary Addition of Palm and Coconut Oils in Steaming Tomato (Lycopersicon esculentum) Waste Powder on Digestibility of Crude Fiber and Retention of Lycopene and Nitrogen in Broiler Chickens
Lycopene is a powerful antioxidant present in tomatoes and other vegetables and fruits. Present research was carried out to evaluate lycopene and nitrogen retention and crude fiber (CF) digestibility of steaming tomatoes waste powder which was combined with oil. Tomatoes waste in this experiment...
2019 / Ulvi Fitri Handayani, Wizna, Irfan Suliansyah, Yose Rizal, Maria Endo MahataScopusAGRISRSCI -
The Effect of Aspergillus fumigatus Infection on Antibody Immune Response to Newcastle Disease Virus in Broiler Chickens
Aspergillus fumigatus infection might predispose birds to other respiratory infections with other pathogens such as Newcastle Disease Virus (NDV). This study aimed to investigate the incidence of Aspergillus fumigatus in commercial farms and its histopathological effects on respiratory organs and...
2019 / Amer Khazaal Al-Azawy, Karim Sadun Al-AjeeliScopusAGRISRSCI -
Comparative Proteomic Analysis of Chicken Primary Hepatocytes with Folic Acid Free or Supplementation Culture Mediums
Folic acid had been reported to develop much metabolic regulation function in animals and human beings due to its roles in one carbon metabolism. The current study was conducted to explore folic acid regulation function in primary chicken hepatocytes via supplement and deprivation culture models...
2020 / Yanli Liu, Jianfei Zhao, Fangyuan Wang, Jinghui Zhou, Xin Yang, Xiaojun YangScopusAGRISRSCI -
Experimental Infection of Local Domestic and Feral (Columba livia domestica) Pigeons with Local Isolate of H9N2 Influenza Virus: Virological and Histopathological Study
A local isolate of low pathogenic Avian Influenza Virus (AIV) H9N2 subtype was used in experimental infection of 50 domestic and 50 feral pigeons (Columba livia domestica) to determine the susceptibility of these birds to H9N2 infections and to study its histopathological effects on vaccinated and...
2020 / Ahmed Raad Rasheed, Karim Sadun Al-Ajeeli, Amer Khazaal Al-AzawyScopusAGRISRSCI -
Serological and Molecular Detection of Chicken Anemia Virus in Broiler and Layer Chickens in Iraq
Chicken Anemia Virus (CAV) infects many bird species worldwide and causes immunosuppression. This condition can facilitate the infection of affected birds with other pathogens including bacteria, viruses, and fungi. No data were available on detection or isolation of CAV from birds in Iraq,...
2020 / Karim Sadun Al-Ajeeli, Amer Khazaal Al-Azawy, Haneen GhazuanScopusAGRISRSCI -
Molecular Characterization and Phylogenetic Analysis of Full-length S1 Gene of GI-16 and GI-23 Infectious Bronchitis Virus in Qena, Egypt
Infectious Bronchitis Virus (IBV) is a highly evolving virus that affects respiratory, urinary and reproductive systems. This virus is recognized as an important pathogen due to the continuous genesis of new variants that threaten the poultry industry worldwide. The aim of this study was to...
2020 / Mahmoud Sabra, Wesal Abdellatif, Ahmed Ibrahim Ahmed, Nabila OsmanScopusAGRISRSCI -
A Novel Mutation in the Promoter Region of Avian Uncoupling Protein3 Associated with Feed Efficiency and Body Composition Traits in Broiler Chicken
The Avian Uncoupling Protein (avUCP) belongs to the mitochondrial anion transporter family. It has a pivotal homeostatic mechanism that associated with energy regulation and lipid metabolism. The avUCP considered as a candidate gene for chicken growth-related traits according to its predominant...
2020 / Mojtaba Darzi Niarami, Ali Akbar Masoudi, Rasoul Vaez Torshizi, Peymaneh DavoodiScopusAGRISRSCI -
Detection of Campylobacter jejuni among Commercial Broiler Chickens in East-Coast Malaysia
Human campylobacteriosis is associated with contaminated foods and drinks or direct contact with the source of organisms. Broilers are the main reservoir of Campylobacter as well as the primary source of meat in many countries. The microorganism load in broilers is converted into the rate of...
2020 / Che Mohd Noor Nur-Aziera-Aina, Nur-Syafiqah Mohd Nasir, Abdul-Rahman ZaidahScopusAGRISRSCI -
Gallibacterium anatis: Moleculer Detection of Tetracycline Resistance and Virulence Gene
Gallibacterium anatis causes infections in the reproductive tract of egg-laying hens and it is associated with increased mortality and decreased egg production. For this study we used singeleplex and multiplex PCR with specific primers to assess the presence of tetracycline resistance (Tcr) (tet A, ...
2020 / Ozlem Sahan Yapicier, Sibel YamanScopusAGRISRSCI -
Assessment of Genetic Variability and Population Structure of Five Rabbit Breeds by Microsatellites Markers Associated with Genes
The present study was intended to estimate the specific genetic variants by using nine genetic markers among five rabbit breeds (New Zealand White, California, Chinchilla, Flander, and Babion) in Egypt. A total of 128 animals were used (19-35 rabbits per breed). A total of 97 alleles were detected...
2020 / Tarik S.K.M. RabieScopusAGRISRSCI -
Antibacterial Sensitivity and Detection of Virulence Associated Gene of Pasteurella multocida Isolated from Rabbits
The aim of the present work was to determine antibacterial sensitivity and resistance patterns of Pasteurella multocida isolated from rabbits in different farms of Assiut Governorate. Also, this study aimed to detect virulence-associated gene (toxA) of Pasteurella multocida. A total of 40 freshly...
2020 / Fatma M. Mohamed, Marium F. Mansy, Abd-El-Twab M. Abd-Al-Jwad, Ahmed K.HassanScopusAGRISRSCI -
Comparative Clinicopathological Study of Salmonellosis in Integrated Fish-Duck Farming
Poultry litter is used in fish farms as fertilizer thus integrated fish-duck farming is common in some areas of Egypt. Salmonella bacteria may be present in poultry litter and contaminate fish ponds and infect duck farms. To investigate incidence and prevalence of Salmonella infection in integrated ...
2020 / Anwaar M. El-Nabarawy, Mohamed A. Shakal, Abdel-Haleem M. Hegazy, Mohamed M. BatikhScopusAGRISRSCI -
Molecular Identification of a Velogenic Newcastle Disease Virus Strain Isolated from Egypt
Newcastle Disease Virus (NDV) is still a major concern for the Egyptian poultry industry in spite of the mass vaccination programs implemented from a long years ago. The current study aimed to carry out the molecular identification of surface glycoprotein genes of NDV field strain isolated from the ...
2020 / Shakal M., Mira Maher, Abdulrahman S. Metwally, Mohammed A. Abdelsabour, Yahia M. Madbbouly, Gehan SafwatScopusAGRISRSCI -
Association of Antiseptic Resistance Gene (qacEΔ1) with Class 1 Integrons in Salmonella Isolated from Broiler Chickens
Salmonella enterica is considered a zoonotic pathogen that acquires antibiotic resistance in livestock. In the current study, a total of 18 Salmonella enterica isolates recovered from cloacal swabs of diseased and freshly dead broilers were serotyped and assessed for susceptibility to clinically...
2020 / Naglaa M. Ali, Fatma M. MohamedScopusAGRISRSCI -
Evaluation of the Effect of Mycotoxins in Naturally Contaminated Feed on the Efficacy of Preventive Vaccine against Coccidiosis in Broiler Chickens
This research was designed to evaluate the effect of naturally contaminated feed with mycotoxins on the efficacy of vaccination against coccidiosis in broilers. Two hundred day-old Hubbard broiler chicks were divided into four groups (50 chicks/group). Group 1 and 3 were kept on naturally...
2020 / Anwaar M. Elnabarawy, Marwa M. Khalifa, Khaled S.Shaban, Walied S. KotbScopusAGRISRSCI