Effect of some biotechnological methodology on someproductive and reproductive traits in fowl. M.Sc., Faculty of Agriculture, Benha University. Study of the effect of genetical factors using genetic engineering technology with relation to some metabolic and productive traits in fowl.Ph.D Study the effecting of Deoxyribonucleic acid transfer using sperm-mediated gene technique on reproductive traits in Mamourah chicken.1st International Conference On Biotechnology Applications In Agriculture held in Moshtohor-Hurghada, Benha University, 18-22 February 2012, Egypt, Volume (I), Animal Biotechnology, 1-8. Effect of ascorbic acid injection for incubation eggs of broiler breeders on hatchability and productivity of chicks2nd International Conference On Biotechnology Applications In Agriculture (ICBAA), Benha University, Moshtohor and Hurghada, 8-12, April 2014, Egypt Influence of the integration among oxytetracycline, oregano essential oil or garlic powder on intestine microbial population and productive performance of Japanese quail ENHANCEMENT OF EMBRYONIC AND HATCHING PERFORMANCE OF RHODE-ISLAND RED CHICKEN BY EXPOSING INCUBATED EGGS TO LIGHT PULSES IN RELATION TO THEIR SHELL PIGMENTATION APPLICATION OF FLASHED LIGHTING PROGRAM IN NAKED NECK CHICKENS (SHARKASI) MANAGEMENT Genetic characterization of 11 microsatellite loci in Egyptian pigeons (Columba livia domestica) and their cross-species amplification in other Columbidae populations Effect of Dietary Garlic Powder and Feeding Systems on Productive Performance of Broiler ChickensEffect of Dietary Garlic Powder and Feeding Systems on Productive Performance of Broiler Chickens Intermittent lighting regime as a tool to enhance egg production and eggshell thickness in Rhode Island Red laying hens EFFECT OF HOUSING SYSTEM AND DIETARY BIOTIN SUPPLEMENTATION ON PRODUCTIVE PERFORMANCE, SOME BLOOD CONSTITUENTS AND ECONOMIC EFFICIENCY OF BENHA LINE CHICKEN