The research was carried out in the Fish Hatchery of the Department of Fisheries, Teaching and Research Farm, Modibbo Adama University. Clarias gariepinus belongs to the family Clariidae. The latency period had been demonstrated to affect fingerling production in C. gariepinus. Fifteen (15) gravid broodstock females weighing 367 to 1000 g and males of 800 to 1200... Continue here
The monthly mean condition index (Kmean) of Pachymelania byronensis was computed from a unique combination of the body weight–shell height relationship parameters (i.e. a, b). Shell height (H) and weight (W) were measured for each specimen. There was a wide (827.7 –fold) variation, from a minimum of 0.012 in October to a maximum of 9.932 in December.... Continue here