Stocking Density Induced Stress on Plasma Cortisol and Whole Blood Glucose Concentration in Nile Tilapia Fish (Oreochromis niloticus) of Lake Victoria, Kenya

Table 2

Plasma cortisol levels and means () for HSD and LSD O. niloticus.

HSD		LSD
Samples	Cortisol, ×10 ng/ml	Sample	Cortisol, ×10 ng/ml
Un1	7.2	Un11	0.6
Un2	6.0	Un12	5.0
Un3	6.7	Un13	5.4
Un4	4.28	Un14	3.5
Un5	6.5	Un15	5.2
Un6	5.9	Un16	5.6
Un7	6.7	Un17	5.2
Un8	5.6	Un18	5.6
Un9	8.3	Un19	4.2
Un10	6.0	Un20	5.9
Mean	6.32	Mean	4.62
SD	1.06	SD	1.58
SE	0.33	SE	0.50

Un₁–Un₁₀ represent HSD, while Un₁₁–Un₂₀ represent LSD. Un: extra samples drawn from the second aquaria from both HSD and LSD groups.