Personal Information

  • Position : Professor Emeritus
  • Department : Zoology
  • Specification :
  • Work Phone : 2403866/057
  • Email : ahmad10@du.edu.eg

E-Courses

Researches

  1. Effects of pond depth and water temperature on the growth, mortality and body composition of Nile tilapia, Oreochromis niloticus (L.)
  2. Zinc oxide nanoparticle toxicity in embryonic zebrafish: Mitigation with different natural organic matter
  3. Effects of tank colour and feed colour on growth and feed utilization of thinlip mullet (Liza ramada) larvae
  4. Effects of thermal and thermo-haline shocks on survival and osmotic concentration of the Tilapias Oreochromis mossambicus and Oreochromis aureus* Oreochromis niloticus Hybrids
  5. Exposure to ZnO nanoparticles alters neuronal and vascular development in zebrafish: Acute and transgenerational effects mitigated with dissolved organic matter
  6. Culture of the Nile tilapia (Oreochromis niloticus) in a recirculating water system using different protein levels
  7. Effect of feed colour on growth and feed utilization of Nile tilapia (Oreochromis niloticus L.) larvae and fingerlings
  8. Biological studies on the western region of Lake Manzala
  9. Description of a new species of the genus Marphysa (Eunicidae), Marphysa aegypti sp. n., based on molecular and morphological evidence
  10. Protozoa in a stressed area of the Egyptian Mediterranean coast of Damietta, Egypt
  11. Preliminary study on protozoan community in Damietta Harbor, Egypt.
  12. Qualitative and quantitative study of copepods in damietta harbor, egypt
  13. Suitable algal species and density for the culture of copepod Gladioferens imparipes as a potential live food for fish larvae
  14. Factors associated with the distribution of the invasive bivalve clams" Donax variabilis (Say, 1822)" at the area of the Mediterranean Coast preferred by marine fish larvae�…
  15. Effect of probiotic on water quality, growth performance and body composition of nile tilapia (Oreochromis niloticus)
  16. Natural fish fry food of seven commercial species in the Egyptian Mediterranean water.
  17. Ecological and Biological Assessment of a Wild Mullet Fish Fry Collection Station at the Egyptian Mediterranean Water
  18. Effect of the maritime and Nile discharge on ecological and biological characteristics of Damietta Harbor,Egypt
  19. Effect of supplementary feeding on survival rate, growth performance and yield of four marine fish species
  20. Studies on the food and feeding habits of four species of cichlid fishes in the Western region of Manzala Lake, Egypt.
  21. Some ecological aspects of the Western region of Manzala Lake, Egypt. 1- Physico-chemical characteristics.
  22. Mesozooplankton in a stressed area of the Nile Delta Coast, Egypt.
  23. Reproductive cycle of the carpet shell clam; donax trunculus linnaeus, 1758, from new damietta shore, egypt
  24. Seasonal variation of mineral contents in four species of cichlid fishes from Lake Manzala, Egypt.
  25. Leucaena leaf meal (Leucaena leucocephala) in feeding of Nile Tilapia (Oreochromis niloticus)
  26. THE USE OF LOCAL PALM KERNEL MEAL (LPKM) AS APROTEIN SOURCE IN DIETS OF TILAPIA (OREOCHROMIS SP/LURUS GJ CULTURED IN RED SEA WATER
  27. EFFECT OF GOAT MANURE INCORPORATION AS A SUBSTITUTION TO DIETARY FISH MEAL ON THE PERFORMANCE OF TILAPIA (OREOCHROMIS SPJLURUS Gunther) REARED IN TANKS
  28. THE USE OF LOCAL PALM KERNEL MEAL (LPKM) AS APROTEIN SOURCE IN DIETS OF TILAPIA (OREOCHROMIS SP/LURUS GJ CULTURED IN RED SEA WATER
  29. Reproductive cycle of the bivalve clams" Donax variabilis (Say, 1822)" in New Damietta shore, Egypt
  30. Reproductive Biology of Pseudonereis anomala (Nereidae: Polychaeta) from The Barge Canal, Damietta, Egypt
  31. A comparative study on mixed and monosex tilapia (Oreochromis niloticus) reared in a recirculating water system
  32. Bioconcentration of four Heavy Metals in Organs of Tilapia of Triangle Region, NW-Manzala Lagoon, Egypt
  33. Limnological Conditions and Water Movements in Damietta’s Triangle Area, NW-Manzala Lagoon, Egypt .
  34. EFFECT OF GOAT MANURE INCORPORATION AS A SUBSTITUTION TO DIETARY FISH MEAL ON THE PERFORMANCE OF TILAPIA (OREOCHROMIS SPJLURUS Gunther) REARED IN TANKS
  35. Goat manure meal(GMM) used as partial or tatal replacement to fish meal in Tilapia ( Oreochromis spilurus Gunther) food reared in water from the Red Sea
  36. The use of local palm kernel meal (LPKM) as a protein source in diets of Tilapia ( Oreochromis spilurus Gunther) in water from the Red Sea
  37. Toxicological studies on some pesticides recommended to be used in rice fields in Egypt on Cyprinus carpio and Oreochromis niloticus
  38. Effect of stocking density on growth rate, feed utilization and profitability of European Sea bass Dicentrarchus labrax reared in floating cages
  39. Effect of variations in water depth coupled with different temperatures on mortality, growth rate and body composition of Oreochromis aureus Steindachner (Pisces, Teleostei�…
  40. Age and growth of Sea bass (Dicentrarchus labrax Linn.) in Lake Manzala, Egypt.
  41. ): Effect of salinity, temperature and depth on the survival and growth of monosex (male) Tilapia zilli raised in muddy ponds
  42. Biochemical studies on Egyptian cotton at different growth stages.
  43. Some hydrophytes and plankton in the Western region of lake Manzala, Egypt.
  44. Fluctuations of water, fat and protein contents of cichlid fishes in Lake Manzala, Egypt.
  45. PROSPECTS FOR FISHERY STATISTICS FROM LAKE MANZALAH, EGYPT
  46. Factors Associated with the Distribution of the Invasive Bivalve Clams