Epidemiological investigations on Salmonella typhimurium 1- Role of some freshwater fishes as recipient and donors of infection to and from ducklings. Zagazig Vet . J., 27 (2) : 20 -29 Contribution to saprolegniosis among cultured Oreochromis niloticus fish. Zagazig Vet . J., 27 (5) : 68-74 . Clinico pathological and laboratory investigations on vibriosis in some fishes .Zagazig Vet J.,28 (3) : 115-124 Pathological and parasitological investigations of eels (Anguilla anguilla ) naturally infested with Anguillicola crassus and Pseudergasilus zacconi in Egypt .Vet .Med.J. Giza .49 (2) : 277-289 Clinico - pathological findings , chromosomal aberrations and hematological changes associated with acute intoxication by Malathion in Nile catfish " Clarias lazera " .Zagazig Vet. J.,29 (2) 146-157 A study on the prevailing ectoprotozoal diseases among cultured Oreochromis niloticus . Zagazig Vet J. 29(3) : 1-8 Studies on Mycoplasmosis among some fishes. Suez Canal Vet. Med.J,3(2) : 705-716. Special Issue for the ISB Scientific Conference 10-12 October . Studies on ichthyophonosis in Nile tilapia, “Oreochromis niloticus”. Third Int. Sci. Conf., Mansoura. 29-30 April , PP. 1123-1140. Aphanomycosis in African catfish “Clarias gariepinus”. First Sci. Conf. Fac. Vet. Med., Moshtohor, Benha- Ras Sedr, 1- 4 Sept. PP. 479 - 492. Effect of high rearing water temperature on the sex ratio and cytogenetic picture of Nile tilapia, Oreochromis niloticus, fry. J. Egypt. Vet. Med. Assoc. Vol. 64, No.4: 7-19. Cytogenetic alterations in Oreochromis niloticus fry fed on 17  methyltestosterone, tamoxifen and letrozol treated rations. J. Egypt. Vet. Med. Assoc. Vol. 65, No.6: 159-170. Vibriosis in some fishes: Molecular characterization of fish pathogenic vibrios. Vet. Med. J., Giza. Vol. 53, No.4. : 911-923. Behavioural, chromosomal aberrations and hematological changes associated with acute nitrite toxicity in African catfish “Clarias gariepinus”. Vet. Med. J., Giza. Vol. 53, No.1 83-94 Listonellosis in Clarias gariepinus: Phenotypic and serological identification of listonella anguillarum isolated from ulcerative lesions. Vet. Med. J., Giza. Vol. 54, No.4. 825-840. The prevailing endoparasitic diseases of catfish “Clarias gariepinus” with special references to the associated pathological changes. Zag. Vet. J. Vol. 34, No.1 PP, 120-139. Potential use of Bacillus subtilis as a bicontrol for motile aeromonas septicemia in some fishes. Zag. Vet. J. Vol. 34, No.3 PP, 85-96 Streptococcosis in some fishes: Characterization of whole cell protein of the prevalent streptococcus spp., Benha Vet. Med., J. Vol 18, No. 2 PP, 51 - 64. Effect of dietary administration of steroidal and non steroidal compounds on sex ratio of Oreochromis niloticus . Benha Vet. Med., J. Vol 18, No. 2 PP, 37 - 50. Monogeniasis in African Catfish “Clarias gariepinus” and Common Carp “Cyprinus carpio” 3rd Sci. Conf. Fac. Vet. Med., Moshtohor, Benha- Ras Sudr, 29 Jan - 1 Feb, PP. 281 - 293. Cellular components of probiotics control Yersinia ruckeri infection in rainbow trout (Oncorhynchus mykiss, Walbuam). Journal of Fish diseases 2010, 33, 31-37. Pathological And Parasitological Investigations Of Eels(Anguilla Anguilla) Naturally Infested With Anguillicola Crassus And Pseudergasilus Zacconi In Egypt Pathological and parasitological investigations of eels (Anguilla anguilla ) naturally infested with Anguillicola crassus and Pseudergasilus zacconi in Egypt .Vet .Med.J. Giza .49 (2) : 277-289 Further studies on Hake Microsporidiosis in Suez Governorate, Egypt. Abbassa International Journal For Aquaculture, ISSN 1687-7683, Special Issue for Global Fisheries & Aquaculture Research Conference, Cairo International Convention Center, 24 – 26 October 2009.pp 329 – 34 Characterization of Pseudomonas Species Isolated from Tilapia"Oreochromis niloticus" in Qaroun and Wadi-El-Rayan Lakes, Egypt. Global Veterinaria. 5(2): 116-121, 2010. Immunomodulatory Effect of Plant-mixed Feed in Kuruma Shrimp Marsupenaeus japonicus and its Protective Efficacy against White Spot Syndrome virus (WSSV) infection. Journal of Fish Diseases 2010, 33, 859–863 Impact of some organophosphorus insecticides on growth performance, fecundity and semen characteristics of Nile tilapia " Oreochromis niloticus" LUCRRI _STIINIFICE VOL. 54 Series, MEDICIN_ VETERINAR, 150-160,2011 Changes in the immune related genes expression of Kuruma Shrimp Marsupenaeus japonicas in response to dietary inclusion of macrophage activating Chinese herbs (MACH). Egypt. J. Aquat. Biol. & Fish., Vol. 15, No. 3:295- 303 (2011) ISSN 1110 – 6131. The 4th global fisheries and aquaculture research conference 2011 Subcellular components of probiotics Kocuria SM1 and Rhodococcus SM2 induce protective immunity in rainbow trout (Oncorhynchus mykiss, Walbaum) against Vibrio anguillarum. Journal of Fish & Shellfish Immunology 30 (2011) 347-353. Identification of the causative agents of proliferative kidney disease in Oreochromis niloticus and Clarias gariepinus using PCR with special reference to the associated histopathological alteration. BENHA VETERINARY MEDICAL JOURNAL, VOL. 23, NO. 1, JUNE 2012: 159-170 Effect of Zingiber officinalis and Cyanodon dactylon against ph stress in giant freshwater prawn Macrobrachium rosenbergii. The Global Journal of Fisheries and Aqua. Res. - Vol. No. 5, (2012). The 5th Global Fisheries & Aqua. Research Conf., Egypt, (2012) pp. 286 – 298 Epizotiological studies on proliferative kidney disease in tilapia (Oreochromis niloticus) and African Catfish (Clarias gariepinus). BENHA VETERINARY MEDICAL JOURNAL, VOL. 23, NO. 1, JUNE 2012: 150-158. Risks induced by pesticides on fish reproduction. The Global Journal of Fisheries and Aqua. Res. - Vol. No. 5, (2012). The 5th Global Fisheries & Aqua. Research Conf., Egypt, (2012) pp. 329 - 338 Effects of Zingiber officinalis and Cyanodon dactylon on the Growth Performance and Immune Parameters of Macrobrachium rosenbergii . World Journal of Fish and Marine Sciences 4 (3): 301-307, 2012. Assessment of the virulence and immunogenicity of Edwardsiella ictaluri fhucd mutant. The Global Journal of Fisheries and Aqua. Res. - Vol. No. 5, (2012). The 5th Global Fisheries & Aqua. Research Conf., Egypt, (2012) pp. 185 – 198. Construction of edwardsiella ictaluri fhucd inframe deletion mutant. The Global Journal of Fisheries and Aqua. Res. - Vol. No. 5, (2012).The 5th Global Fisheries & Aqua. Research Conf., Egypt, (2012) pp. 170 – 184. Effects of Dietary Propolis and Pollen on Growth Performance, Fecundity and Some Hematological Parameters of Oreochromis niloticus. Turkish Journal of Fisheries and Aquatic Sciences 12: 851-859 (2012) Construction and evaluation of an Edwardsiella ictaluri fhuC mutant. Veterinary Microbiology 162 (2013)858-865. Studies on myxosporidiosis in some fresh water fishes . Benha veterinary medical journal, vol. 25, no. 2:316‐325, 2013 Diagnosis of some internal parasitic diseases in some freshwater Fishes. Global Journal of Fisheries and Aquaculture Researches, Vol.1, (2): pp. 01 -17 (2014) Cytogenetic Characterization and Genetic Variations Between Freshwater Crayfish Procambarus clarkia in Egypt. Research Journal of Pharmaceutical, Biological and Chemical Sciences RJPBCS 5(2 )2014, Page No. 1811- 1826 Modulation of genotoxicity and endocrine disruptive effects of malathion by dietary honeybee pollen and propolis in Nile tilapia (Oreochromis niloticus) . Journal of Advanced Research(2014) 5, 671–684 Honey bee pollen improves growth, immunity and protection of Nile tilapia (Oreochromis niloticus) against infection with Aeromonas hydrophila. Fish & Shellfish Immunology 40 (2014) 500-506. Stress, immune and growth responses of bluegill sunfish (Lepomis macrochirus) to different environmental temperatures as referred by related gene expression. Global Journal of Fisheries and Aquaculture, ISSN: 2408-5464 Vol. 3 (6), pp. 247-256, August, 2015. Astragalus membranaceus (AM) enhances growth performance and antioxidant stress profiles in bluegill sunfish (Lepomis macrochirus). Journal of Fish Physiol Biochem (2016) 42:955-966. Feeding Glycyrrhiza glabra (liquorice) and Astragalus membranaceus (AM) alters innate immune and physiological responses in yellow perch (Perca flavescens). Journal of Fish & Shellfish Immunology 54 ( 2016) 374-384. Effect of dietary Moringa oleifera leaf on the immune response and control of Aeromonas hydrophila infection in Nile tilapia (Oreochromis niloticus) fry Dietary supplementation of Moringa leaf meal for Nile tilapia Oreochromis niloticus: Effect on growth and stress indices. Phenotypic and molecular characterization of bacterial pathogens isolated from diseased freshwater fishes Dietary effect of fenugreek (Trigonella foenum graecum) and liquorice (Glycyrrhiza glabra) on growth performance, antioxidant activities and stress resistance in Oreochromis niloticus. Anti-oxidative effects of some dietary supplements on Yellow perch (Perca flavescens) exposed to different physical stressors Effect of herbal plant ‘Thymus vulgaries and Rosmarinus officinale on growth performance and protection of Oreochromis niloticus against Aeromonas hydrophila infection Anti-oxidative effects of some dietary supplements on Yellow perch (Perca flavescens) exposed to different physical stressors Isolation of Aphanomyces invadans Associated with Skin Lesions in African Catfish" Clarias gariepinus". Feeding Glycyrrhiza glabra (liquorice) and Astragalus membranaceus (AM) alters innate immune and physiological responses in yellow perch (Perca flavescens) Astragalus membranaceus (AM) enhances growth performance and antioxidant stress profiles in bluegill sunfish (Lepomis macrochirus). Influence of dietary ginger (Zingiber officinale) on haemato-biochemical parameters, spleen histology and resistance of Oreochromis niloticus fingerlings to Aeromonas hydrophila infection. Honey bee pollen improves growth, immunity and protection of Nile tilapia (Oreochromis niloticus) against infection with Aeromonas hydrophila. Modulation of genotoxicity and endocrine disruptive effects of malathion by dietary honeybee pollen and propolis in Nile tilapia (Oreochromis niloticus) Recuperative effect of honey bee pollens ,ginger (Zingiberofficinale) ,and Moringa oleifera in Nile tilapia (Oreochromis niloticusL.) after sub-lethal exposure to dimethoate. Journal of Aquaculture (2021) 530.