ZOOPLANKTON COPMOSITION OF SOME INDUSTRIAL POLLUTED AREAS IN THE RIVER NILE ECOSYSTEM

A SCANNING ELECTRON MICROSCOPY OF THE MANTLE OF THE JUVENILE OCTOPUS VULGARIS TO REVEAL SOME ENVIRONMENTAL IMPACTS

EFFECT OF SUBSTITUTING BLACK SEED CAKE (NIGELLA SATIVA JL) FOR SOYBEAN MEAL IN DIETS OF NILE TILAPIA {OREOCHROMIS NILOTICUS L.) ON GROWTH PERFORMANCE AND NUTRIENTS UTILIZATION

ACCUMULATION OF COPPER, LEAD AND CADMIUM IN SOME TISSUES OF THE CRAYFISH PROCAMBARUS CLARKII(CAMBARIDAE, CRUSTACEA)

RECORDED CHANGES IN SOME BIOCHEMICAL INDICATORS OF GRASSCARP CTENOPHARYNGODON IDELLA EXPOSED TO MERCURY AND ZINC

fflSTOLOGICAL CHANGES IN THE TESTES OF THE FISH Gerres oyena (Forsskal, 1775) DURING THE REPRODUCTIVE CYCLE IN SUEZ BAY, RED SEA, EGYPT

TRICHODINIASIS AS A CAUSE OF MORTALITY AMONG INFECTED TfLAPIA ZILLIIWITH SPECIAL EMPHASIS ON ITS CONTROL USING EARTHTEC

GROWTH PERFORMANCE AND PRODUCTION OF OREOCHROMIS NILOTICUS USING POLYCULTURE SYSTEMS AND FERTILIZERS

SENSITIVITY OF THE MONOGENETIC TREMATODE DACTYLOGYRUSLAMELLATUS AND THE HOST GRASS CARP CTENOPHARYNGODONIDELLA TO DIFFERENT CONCENTRATIONS OF EARTHTEC™

ANISOPS SARDEUS SARDEUS HERRICH-SCHAEFFER (HETEROPTERA: NOTONECTIDAE) AS A BIOINDICATOR OF HEAVY METALS IN WASTEWATER TREATMENT PLANT AT ISMAILIYA, EGYPT

AMINO ACIDS AS CONTROLLING FACTOR FOR THE MINERALOGY AND THE CHEMISTRY OF SOME BIVALVE AND GASTROPOD SHELLS

دراسه تأثير بعض مخلفات المصانع علي الهائمات الحيوانيه في بيئه نهر النيل