Some eco- physiological response s of male Nile tilapia ( Oreochromis niloticus ) to thermale and salinity conditions [electronic resource].
Description: P. 193-211Uniform titles:- Veterinary medical journal, 2004 v.52 (2) [electronic resource].
Includes references.
Two trials were conducted in Animal Physiology Lab., Faculty of Agriculture; Cairo University from May to November, 1999 to quantify and evaluate the growth performance of male Nile Tilapia (Oreochromis niloticus) affected by physiological responses to thermal and salinity conditions in aquaria. The experiments were conducted either on fry (for 30 days) or fingerlings (for 42 days). The experimental study incorporated six treatments (T 1-T6) between two temperature degrees (28.59, 33°C for fry and 23.91, 33°C for fingerlings) and three salinity levels fresh brackish and sea water (0.1, 15 and 30 ppt, respectively). Both dissolved oxygen (DO) and pH did not reach critical values for both fry and fingerlings.
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