Background: Oreochromis niloticus has great economic value and potential for farming and development. Transportation of fish was done for breeding or trading purpose and it is a challenging aspect of aquaculture. This study aimed to investigate the effect of transportation in freshwater and brackish water on the resistance of O. niloticus as well as transportation stress mitigation effect of NaCl. ... Read more

* _Y. ruckeri_ causes enteric redmouth disease or yersiniosis; a serious bacterial septicaemia of freshwater and marine fishes. This study was carried out to investigate _Y.__ruckeri_ infection among _O. niloticus_ (Nile tilapia) and _C. gariepinus_ (African catfish) at Sohag Governorate. Ninety-three samples of _O. niloticus_ and eighty-seven samples of _C. gariepinus_ were collected from different localities at Sohag Governorate during ... Read more