Area of Interest:

Animal and Veterinary Sciences

100%

Reproductive Biology

62%

Fish Aquaculture

90%

Environment

75%

Biochemistry

55%

Research Publications in Numbers

Books
0

Chapters
0

Articles
38

Abstracts
0

Selected Publications

Wahbi, O.M and Z.A. El-Greisy, 2016. Impact of water quality at different locations of Alexandria Mediterranean coast on the pituitary-ovarian axis of gilthead Seabream Sparus aurata. J. Fish. Aquat. Sci., 11: 244-254.
CrossRef | Direct Link |
El-Greisy, Z.A.E.B., A.E.E. Elgamal and N.A.M. Ahmed, 2016. Effect of prolonged ammonia toxicity on fertilized eggs, hatchability and size of newly hatched larvae of Nile tilapia, Oreochromis niloticus. Egypt. J. Aquat. Res., 42: 215-222.
CrossRef | Direct Link |
El-Greisy, Z.A. and A.H.A. El-Gamal, 2015. Experimental studies on the effect of cadmium chloride, zinc acetate, their mixture and the mitigation with vitamin C supplementation on hatchability, size and quality of newly hatched larvae of common carp, Cyprinus carpio. Egypt. J. Aquat. Res., 41: 219-226.
CrossRef | Direct Link |
Fahmy, A.F. and Z.A.B. El-Greisy, 2014. Induced spawning of Liza ramada using three different protocols of hormones with respect to their effects on egg quality. Afr. J. Biotechnol., 13: 4028-4039.
Direct Link |
El-Ebiary, E.H., O.M. Wahbi and Z.A. El-Greisy, 2013. Influence of dietary cadmium on sexual maturity and reproduction of red tilapia. Egypt. J. Aquat. Res., 39: 313-317.
CrossRef | Direct Link |
El-Dahhar, A.A., A.E. Salama, Z. El-Greesy and S.A. Shaheen, 2013. Effect of live food enrichment and temperature on growth performance survival and digestive tract development of grey mullet, Liza ramada larvae. J. Arabian Aquacult. Soc., 8: 87-104.
Direct Link |
El-Greisy, Z.A., O.M. Wahbi and E.H. El-Ebiary, 2012. Depuration in Oreochromis niloticus following chronic exposure to industrial effluent during their newly hatched larval stage. Calcatta J. Nat. His., 7: 70-81.
El-Greisy, Z.A. and A.E. El-Gamal, 2012. Monosex production of tilapia, Oreochromis niloticus using different doses of 17α-methyltestosterone with respect to the degree of sex stability after one year of treatment. Egypt. J. Aquat. Res., 38: 59-66.
CrossRef | Direct Link |
Moharram, S.G., O.M. Wahbi and Z.A. El-Greisy, 2011. Effect of polluted water from the Egyptian Eastern Mediterranean coast on reproductive, toxicological and hematological characteristics of Siganus rivulatus. Pak. J. Biol. Sci., 14: 668-681.
CrossRef | Direct Link |
El-Gamal, A.H.E. and Z.A. El-Greisy, 2008. Effect of removal of egg adhesiveness on hatchability and effect of different levels of salinity on survival and larval development in common carp, Cyprinus carpio. J. Applied Sci. Res., 4: 1935-1945.
Direct Link |
El-Gamal, A.E. and Z.A. El-Greisy, 2008. Seasonal changes of the testicular maturation related to gonadotrophic cells activity of Bagrus bayad in the Northern region of River Nile. J. Nat. History, 4: 25-46.
Wahbi, O.M and Z.A. El-Greisy, 2007. Comparative impact of different waste sources on the reproductive parameters and histology of gonads, liver and pituitary of Siganus rivulatus. J. Appl. Sci. Res., 3: 236-244.
Direct Link |
El-Greisy, Z.A. and A.A. Shaheen, 2007. Comparative difference between the effects of LHRH-a, 17 α-methyletestosterone pellets and HCG on reproductive performance of Mugil cephalus. J. Applied Sci. Res., 3: 890-895.
El-Gamal, A.H.E., Z.A. El-Greisy and E.H. El-Ebiary, 2007. Synergistic effects of vitamins C and E and selenium on the reproductive performance of Nile tilapia, Oreochromis niloticus. J. Applied Sci. Res., 3: 564-573.
Direct Link |
El-Greisy, Z.A.B., 2005. Reproductive biology and histology of male Brushtooth Lizardfish, Saurida undosquamis (Richardson), family: Synodontidae, from the Mediterranean coast of Egypt. Egypt. J. Aquat. Res., 31: 362-371.
Direct Link |
El-Greisy, Z.A., 2005. Reproductive biology and histology of female Brushtooth lizardfish Saurida undosquamis (Richardson), Family: Synodontidae, from the Mediterranean coast of Egypt. Egypt. J. Aquat. Res., 31: 367-386.
El-Gamal, A.E. and Z.A. El-Greisy, 2005. Effect of photoperiod, temperature and HCG on ovarian recrudescence and ability of spawning in Nile tilapia Oreochromis niloticus (Teleostei, Cichlidae). Egypt. J. Aquat. Res., 31: 419-431.
Direct Link |
Zaki, M.I., M.M. El-Gharabawy, Z.A. El-Greisy and H.H. Baghdadi, 1995. Effect of some environmental and physiological factors on some reproductive parameters of Mugil capito during the breeding season. Bull. Nat. Inst. Ocean. Fish A.R.E., 21: 585-604.
Zaki, M.I., M.M. El-Gharabawy, Z.A. El-Greisy and H.H. Baghdadi, 1995. Effect of some environmental and physiological factors on some sexual hormoens of Mugil captio during the breeding season. J. Egypt Ger. Soc. Zool., 16: 329-345.
El-Gharabawy, M.M., M.I. Zaki, H.H. Baghdadi and Z.A. El-Greisy, 1995. Effect of salinity on the protein polymorphism in gonad and plasma of Mugil capito during the breeding season. Assiut J. Agric. Sci., 26: 277-298.
El-Gharabawy, M.M., M.I. Zaki, H.H. Baghdadi and Z.A. El-Greisy, 1995. Effect of photoperiod on the protein polymorphism in gonad and plasma of Mugil capito during the breeding season. Bull. Fac. Sci. Assiut Univ., 24: 55-80.
Zaki, M.I., Z.A. El-Greisy, H.H. Baghdadi and M.M. El-Gharabawy, 1994. Effect of some environmental and physiological factors on testicular histology of Mugil capito during the breeding season. J. Egypt. Ger. Soc. Zool. C: Histol. Histochem., 15: 273-289.
El-Gharabawy, M.M., H.H. Baghdadi, M.I. Zaki and Z.A. El-Greisy, 1994. Effect of some environmental and physiological factors on the histology of the ovaries of Mugil capito during the breeding season. Bull. Nat. Inst. Oceanogr. Fish. A.R.E., 20: 251-264.