TY - JOUR
T1 - Mortality of Hybrid Catfish (Clarias gariepinus x Heterobranchus bidorsalis) Fingerlings at Varying Salinity Levels
AU - Gbulubo, Awotongha J. AU - Nwadukwe, Francis O. AU - Gabriel, Uwgemorabong U.
JO - Journal of Fisheries International
VL - 6
IS - 4
SP - 71
EP - 74
PY - 2011
DA - 2001/08/19
SN - 1817-3381
DO - jfish.2011.71.74
UR - https://makhillpublications.co/view-article.php?doi=jfish.2011.71.74
KW - Nigeria
KW -fingerlings
KW - hybrid
KW -catfish breeding
KW -salinity concentration
KW -Mortality
AB - About 100% mortality was recorded in hybrid catfish fingerlings that were exposed to 10 and 12 ppt at the 3rd and 12th h, respectively. Those in 6 and 8 ppt had 90 and 25% survival, respectively at the end of 96 h. Median Lethal Salinity (MLS96) for 10 ppt was 5.55 h. The cumulative mortality at the various salinity concentrations did not differ in 4 and 6 ppt but differed in 8, 10 and 12 not differ from 12-48 h and between 72 and 96 h (p>0.05). Water temperature values ranged from 26.0°C, dissolved oxygen ranged from 5.2 mg c-1 to 6.8 mg L-1 while pH ranged from 5.2-6.6.
ER -