| Evidence of colistin resistance genes (mcr-1 and mcr-2) in wild birds and its public health implication in Egypt ZS Ahmed, EA Elshafiee, HS Khalefa, M Kadry, DA Hamza Antimicrobial Resistance & Infection Control 8, 1-8, 2019 | 88 | 2019 |
| Isolation and characterization of E. coli strains causing intramammary infections from dairy animals and wild birds KM Fahim, E Ismael, HS Khalefa, HS Farag, DA Hamza International journal of veterinary science and medicine 7 (1), 61-70, 2019 | 58 | 2019 |
| Coinfections of Aeromonas spp., Enterococcus faecalis, and Vibrio alginolyticus isolated from farmed Nile tilapia and African catfish in Egypt, with an emphasis on poor water … M Abdelsalam, MAZ Ewiss, HS Khalefa, MA Mahmoud, MY Elgendy, ... Microbial Pathogenesis 160, 105213, 2021 | 48 | 2021 |
| Evaluation of Saccharomyces cerevisiae yeast fermentate and xylanase in reduced energy diet fed to broiler chicken. E Ismael, EM Ismail, HS Khalefa, EMM Elleithy, SH Elmosalamy, S Marouf, ... | 14 | 2022 |
| 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 … HS Khalefa, ZS Ahmed, F Abdel-Kader, EM Ismail, EA Elshafiee Veterinary World 14 (10), 2764, 2021 | 11 | 2021 |
| Molecular and pathological characterisation of genotype VII Newcastle disease virus on Egyptian chicken farms during 2016–2018 MR Mousa, FF Mohammed, AH El-Deeb, HS Khalefa, KA Ahmed Acta Veterinaria Hungarica, 2020 | 11 | 2020 |
| Impacts of corncobs as an alternative litter material on broiler welfare reared in deep litter system. ZM Nawar, SA Ahmed, GK El-Iraqi, EM Ismail, HS Khalefa, ... | 6 | 2019 |
| Molecular screening of gastric Helicobacter pullorum recovered from different avian species in Egypt R Elhelw, M Elhariri, HM Salem, HS Khalefa, DA Hamza, ZS Ahmed Polish Journal of Veterinary Sciences, 369-374-369-374, 2022 | 4 | 2022 |
| The effect of alterations in water quality parameters on the occurrence of bacterial diseases in different aquatic environments HS Khalefa, DA Abdel-Moneam, E Ismael, MMF Waziry, MSG Ali, MM Zaki Nexus Academic Publishers, 2021 | 4 | 2021 |
| New insights on neuropathological lesions progression with special emphasis on residence of velogenic Newcastle disease viral antigen in the nervous system of experimentally … FF Mohammed, MR Mousa, HS Khalefa, AH El-Deeb, KA Ahmed Exploratory Animal & Medical Research 9 (2), 2019 | 4 | 2019 |
| Efficacy of disinfection on airborne and waterborne fungal load in broiler chicken houses AN Ibrahim, HS Khalefa, H Aboul-Ella, ST Mubarak J. Anim. Health Prod 9 (3), 296-302, 2021 | 3 | 2021 |
| Biofilms and efflux pump regulatory gene (mexR) in multidrug-resistant Pseudomonas aeruginosa isolated from migratory birds in Egypt EA Elshafiee, HS Khalefa, NM Al-Atfeehy, F Amer, DA Hamza, ZS Ahmed Veterinary World 15 (10), 2425, 2022 | 2 | 2022 |
| Immunological status of some edible fishes exposed to parasitic infections in relation to heavy metals pollution HS Khalefa, MM Attia, M Abdelsalam, MA Mahmoud, MA Zaki Ewiss Journal of Parasitic Diseases 46 (3), 653-663, 2022 | 2 | 2022 |
| Residual contamination and biofilm formation by opportunistic pathogens Escherichia coli, Klebsiella pneumoniae, and Pseudomonas aeruginosa in poultry houses isolated from … AN Ibrahim, HS Khalefa, ST Mubarak Egyptian Journal of Veterinary Sciences 54 (6), 1041-1057, 2023 | 1 | 2023 |
| Impact of Microbial Load of Slaughterhouse Environment on the Degree of Broiler Chicken Carcass Contamination, with a Focus on Campylobacter Prevalence SE Laban, HS Khalefa Journal of Advanced Veterinary Research 13 (8), 1551-1559, 2023 | 1 | 2023 |
| Aquatic assessment of the chelating ability of Silica-stabilized magnetite nanocomposite to lead nitrate toxicity with emphasis to their impact on hepatorenal, oxidative stress … HS Khalefa, HO AbuBakr, SH Aljuaydi, YH Kotp, AK Al-Mokaddem, ... BMC Veterinary Research 20 (1), 262, 2024 | | 2024 |
| Estimation of the antibacterial activity of zinc oxide nanoparticles against induced Clostridium perfringens infection in broiler chickens M Shakal, HS Khalefa, HM Salem Journal of Advanced Veterinary Research 14 (4), 710-714, 2024 | | 2024 |
| Antibacterial efficacy of Zinc oxide nanoparticles against Escherichia coli experimental infection in broiler chickens M Shakal, HS Khalefa, H Salem Journal of Advanced Veterinary Research 14 (4), 687-691, 2024 | | 2024 |
| International Journal of Veterinary Science SE Laban, AA Arafa, ES Ibrahim, E FE, HS Khalefa | | |
| ISOLATION, IDENTIFICATIONAND MOLECULARCHARACTERIZATION OF PSEUDOMONASAERUGINOSAISOLATED FROM INTERNALORGANS OF WILD BIRDS IN EGYPT HS Khalefa, AZ Fahmy, MM Ali, ST Mubarak | | |
