Manal Moustafa Zaki

AbstractLimiting factors to the tilapia farming industry are numerous and deeply embedded in the environmental paradigm. Infectious diseases are moved to the top list of limiting factors that harshly endangering the fish health with consequent negative impact on the entire population ecology. Antibiotic selection is of major time-wise and economical importance when an episode of bacterial infectio ...

INTRODUCTIONGrouper fish are genera of the subfamily Epinephelinae of the family Serranidae, in the order Perciformes (Cornish and Harmelin-Vivien, 2004). The common name grouper is usually given to fish in one of two large genera: Epinephelus and Mycteroperca (Cornish and Harmelin-Vivien, 2004). Despite the fact that Grouper fish are variable in size, they can be moderately large with maximu ...

IntroductionEgyptian aquaculture represents a unique model of cohabitating freshwater fishes that live together in confined space permitting continuous interaction between different aquatic species and their environment. Polyculture system currently adopted by the Egyptian earthen pond aquaculture has increased the potential of transspecies infections with different pathog ...

1. Introduction Diversifying categories of the world renowned scientist have been deeply implemented in researching the uprising global threat of the climatic changes on the existence of all living creatures on the planet earth. Climatic changes have been known for a while for their rious impact on the biology, fecundity, growth and biodiversity of aquatic, terrestrial and aerial a ...

AbstractThe effect of cadmium (Cd) toxicity and its impact on histopathology, haematological, and biochemical changes in Nile tilapia (Oreochromius niloticus) were studied. Fish (35-45 grams) were exposed to Cd that resulted in significant reduction (p< 0.05) of the erythrocyte count (RBCs), haemoglobin content (Hb) and haematocrit value (Hct). Significant increases in plasma asp ...