Hanan S. Khalefa
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View article: In Vitro Efficacy of Chitosan Nanoparticles Against Staphylococcus aureus and Klebsiella Spp. Isolates From Bovine Mastitis Milk: Addressing Antibiotic Resistance and Exploring Alternative Treatments
In Vitro Efficacy of Chitosan Nanoparticles Against Staphylococcus aureus and Klebsiella Spp. Isolates From Bovine Mastitis Milk: Addressing Antibiotic Resistance and Exploring Alternative Treatments Open
View article: Efficacy of copper sulfate and potassium permanganate in reducing bacterial infection and mortality in polycultured farmed fish at El Menoufia, Egypt: A microbiological and environmental analysis
Efficacy of copper sulfate and potassium permanganate in reducing bacterial infection and mortality in polycultured farmed fish at El Menoufia, Egypt: A microbiological and environmental analysis Open
Managing fish health effectively requires understanding bacterial coinfections and environmental factors.The effects of copper sulfate and potassium permanganate on bacterial infection in naturally infected farmed fish obtained from privat…
View article: Thyme-synthesized silver nanoparticles mitigate immunosuppression, oxidative damage, and histopathological alterations induced by multidrug-resistant Enterococcus faecalis in Oreochromis niloticus: in vitro and in vivo assays
Thyme-synthesized silver nanoparticles mitigate immunosuppression, oxidative damage, and histopathological alterations induced by multidrug-resistant Enterococcus faecalis in Oreochromis niloticus: in vitro and in vivo assays Open
View article: The effect of long-term exposure to single and mixed mineral ions related to water hardness on Nile tilapia (Oreochromis Niloticus)
The effect of long-term exposure to single and mixed mineral ions related to water hardness on Nile tilapia (Oreochromis Niloticus) Open
View article: EVALUATION OF IN-VITRO EFFICACY OF THREE TYPES OF DISINFECTANTS AGAINST BIOFILM FORMATION ON DIFFERENT POULTRY CONTACT SURFACES
EVALUATION OF IN-VITRO EFFICACY OF THREE TYPES OF DISINFECTANTS AGAINST BIOFILM FORMATION ON DIFFERENT POULTRY CONTACT SURFACES Open
View article: MICROBIOLOGICAL INTEGRITY OF CHICKEN MEAT PRODUCTS AND TRADITIONAL MARKETPLACE ENVIRONMENTS, EMPHASIZING FUNGAL INFECTION AND POSSIBLE MITIGATION STRATEGIES.
MICROBIOLOGICAL INTEGRITY OF CHICKEN MEAT PRODUCTS AND TRADITIONAL MARKETPLACE ENVIRONMENTS, EMPHASIZING FUNGAL INFECTION AND POSSIBLE MITIGATION STRATEGIES. Open
View article: Multifaceted analysis of cymothoids parasitism, environmental stressors and heavy metal bioaccumulation dynamics in mediterranean farmed fish in Egypt
Multifaceted analysis of cymothoids parasitism, environmental stressors and heavy metal bioaccumulation dynamics in mediterranean farmed fish in Egypt Open
This study investigated the interactions between cymothoids parasitism, environmental stressors, and heavy metal bioaccumulation in commercially farmed fish in the Deeba Triangle area, Egypt. Over 600 fish, comprising gilthead seabream ( S…
View article: IN VITRO EVALUATION OF ORGANIC ACIDS' BIOFILMICIDAL AND ANTIMICROBIAL EFFICACY AGAINST SALMONELLA KENTUCKY AND PSEUDOMONAS AERUGINOSA STRAINS ISOLATED FROM BROILER FARMS' DRINKING WATER
IN VITRO EVALUATION OF ORGANIC ACIDS' BIOFILMICIDAL AND ANTIMICROBIAL EFFICACY AGAINST SALMONELLA KENTUCKY AND PSEUDOMONAS AERUGINOSA STRAINS ISOLATED FROM BROILER FARMS' DRINKING WATER Open
View article: A cross-sectional Analysis and Immunological Study of Parasitic Infections in Solea aegyptiaca and Tilapia zillii from Qarun and Wadi El-Rayan Lakes
A cross-sectional Analysis and Immunological Study of Parasitic Infections in Solea aegyptiaca and Tilapia zillii from Qarun and Wadi El-Rayan Lakes Open
View article: Public Health Importance of Biofilm-Producing Staphylococcus Species in Poultry Farms, Nearby Wild Bird Residents, and Farm Workers in Egypt
Public Health Importance of Biofilm-Producing Staphylococcus Species in Poultry Farms, Nearby Wild Bird Residents, and Farm Workers in Egypt Open
View article: Emerging biofilm formation and disinfectant susceptibility of ESBL-producing Klebsiella pneumoniae
Emerging biofilm formation and disinfectant susceptibility of ESBL-producing Klebsiella pneumoniae Open
View article: In-vitro and in-vivo assessment of the bactericidal potential of peracetic acid and hydrogen peroxide disinfectants against A. hydrophila infection in Nile tilapia and their effect on water quality indices and fish stress biomarkers
In-vitro and in-vivo assessment of the bactericidal potential of peracetic acid and hydrogen peroxide disinfectants against A. hydrophila infection in Nile tilapia and their effect on water quality indices and fish stress biomarkers Open
View article: Aquatic assessment of the chelating ability of Silica-stabilized magnetite nanocomposite to lead nitrate toxicity with emphasis to their impact on hepatorenal, oxidative stress, genotoxicity, histopathological, and bioaccumulation parameters in Oreochromis niloticus and Clarias gariepinus
Aquatic assessment of the chelating ability of Silica-stabilized magnetite nanocomposite to lead nitrate toxicity with emphasis to their impact on hepatorenal, oxidative stress, genotoxicity, histopathological, and bioaccumulation parameters in Oreochromis niloticus and Clarias gariepinus Open
Background In recent years, anthropogenic activities have released heavy metals and polluted the aquatic environment. This study investigated the ability of the silica-stabilized magnetite (Si-M) nanocomposite materials to dispose of lead …
View article: Residual contamination and biofilm formation by opportunistic pathogens Escherichia coli, Klebsiella pneumoniae, and Pseudomonas aeruginosa in poultry houses isolated from drinking water systems, fans, and floors.
Residual contamination and biofilm formation by opportunistic pathogens Escherichia coli, Klebsiella pneumoniae, and Pseudomonas aeruginosa in poultry houses isolated from drinking water systems, fans, and floors. Open
T HIS study demonstrated that some bacteria could form biofilms and detect microbial residues.Two broiler housing facilities at Giza Governorate were investigated for microbiological status during production cycle days 7, 21, and 31, and a…
View article: Biofilms and efflux pump regulatory gene (mexR) in multidrug-resistant Pseudomonas aeruginosa isolated from migratory birds in Egypt
Biofilms and efflux pump regulatory gene (mexR) in multidrug-resistant Pseudomonas aeruginosa isolated from migratory birds in Egypt Open
Background and Aim: Multidrug-resistant (MDR) Pseudomonas aeruginosa is a global threat to public health. This study aimed to determine biofilms and efflux pump regulatory gene (mexR) in MDR P. aeruginosa isolates. Materials and Methods: A…
View article: Molecular screening of gastric Helicobacter pullorum recovered from different avian species in Egypt
Molecular screening of gastric Helicobacter pullorum recovered from different avian species in Egypt Open
Helicobacter pullorum (H. pullorum) is a bacterium that colonizes the intestines of poultry and causes gastroenteritis. Because these species are known as human and/or animal pathogens, identification of H. pullorum is becoming increasingl…
View article: Immunological status of some edible fishes exposed to parasitic infections in relation to heavy metals pollution
Immunological status of some edible fishes exposed to parasitic infections in relation to heavy metals pollution Open
View article: Evaluation of Saccharomyces cerevisiae Yeast Fermentate and Xylanase in Reduced Energy Diet Fed to Broiler Chicken
Evaluation of Saccharomyces cerevisiae Yeast Fermentate and Xylanase in Reduced Energy Diet Fed to Broiler Chicken Open
Dietary modifications of broiler feed aimed at improving chicken performance, lowering antibiotic use, and reducing feed costs.The study examined the effects of adding Saccharomyces cerevisiae yeast fermentate (XPC) and xylanase enzyme to …
View article: Sequencing and phylogenetic analysis of the stn gene of Salmonella species isolated from different environmental sources at Lake Qarun protectorate: The role of migratory birds and public health importance
Sequencing and phylogenetic analysis of the stn gene of Salmonella species isolated from different environmental sources at Lake Qarun protectorate: The role of migratory birds and public health importance Open
Background and Aim: Salmonella causes most foodborne bacterial illnesses worldwide. It is found in various hosts, including pets, farm animals, and wild animals, as well as the environment. This study aimed to examine the epidemiological r…
View article: The Effect of Alterations in Water Quality Parameters on the Occurrence of Bacterial Diseases in Different Aquatic Environments
The Effect of Alterations in Water Quality Parameters on the Occurrence of Bacterial Diseases in Different Aquatic Environments Open
The current study investigated the influence of adverse water quality parameters in different localities (Qarun Lake, Fayoum Province, Egypt; Mariotteya stream, Giza Governorate, Egypt; and Mediterranean coastal water, Alexandria Governora…
View article: Efficacy of Disinfection on Airborne and Waterborne Fungal Load in Broiler Chicken Houses
Efficacy of Disinfection on Airborne and Waterborne Fungal Load in Broiler Chicken Houses Open
Fungi are often present in the atmosphere, with varying concentrations depending on the climate as temperatures, humidity, and particulate emissions (Karwowska, 2005; Vučemilo et al., 2008).Aspergillus fumigatus, Fusarium sp., Penicillium …
View article: NEW INSIGHTS ON NEUROPATHOLOGICAL LESIONS PROGRESSION WITH SPECIAL EMPHASIS ON RESIDENCE OF VELOGENIC NEWCASTLE DISEASE VIRAL ANTIGEN IN THE NERVOUS SYSTEM OF EXPERIMENTALLY INFECTED BROILER CHICKENS
NEW INSIGHTS ON NEUROPATHOLOGICAL LESIONS PROGRESSION WITH SPECIAL EMPHASIS ON RESIDENCE OF VELOGENIC NEWCASTLE DISEASE VIRAL ANTIGEN IN THE NERVOUS SYSTEM OF EXPERIMENTALLY INFECTED BROILER CHICKENS Open
New castle disease virus affecting poultry industry resulting in extensive chicken mortalities and economic losses. Evaluation of distribution and severity of neuropathological lesions progressed in different areas of central nervous syste…
View article: Evidence of colistin resistance genes (mcr-1 and mcr-2) in wild birds and its public health implication in Egypt
Evidence of colistin resistance genes (mcr-1 and mcr-2) in wild birds and its public health implication in Egypt Open
Background Antimicrobial resistance has become one of the most severe global threats to human and veterinary Medicin e. coli stin is an effective therapeutic agent against multi-drug-resistant pathogens. However, the discovery of transfera…
View article: Isolation and characterization of<i>E. coli</i>strains causing intramammary infections from dairy animals and wild birds
Isolation and characterization of<i>E. coli</i>strains causing intramammary infections from dairy animals and wild birds Open
The study was conducted to estimate the prevalence of Escherichia coli (E. coli) in sub-clinically mastitic (SCM) animals, and in wild and migratory birds which may act as reservoir disseminating such pathogen. Farm hygiene, …