Effect of feeding of cyclopoid copepods (Eucyclop sp.) exposed to engineered titanium dioxide nanoparticles (nTiO2) and Lead (Pb2+) on Clarias gariepinus growth and metabolism

The Journal of Basic and Applied Zoology

Table 2 Estimated parameters of total length-body weight relationships and condition factor for C. gariepinus

Treated zooplankton diet	Linear equation for each treated diet	a	b	r	P value	K
Pb (6.5)	LogW = 0.19–0.12logTL	0.19	− 0.12	0.42	0.02	1.38
Pb(15)	LogW = 0.18–13logTL + 0.22	0.18	− 13	0.17	0.02	1.36
nTiO₂ (7.5)	LogW = 0.28-39logTL	0.28	− 0.39	0.38	0.06	1.37
nTiO₂ (16.5)	LogW = 0.40–0.72logTL	0.40	− 0.72	0.70	0.09	1.77
Pb(6.5) + nTiO₂ (7.5)	LogW = 0.23–0.27logTL	0.23	− 0.27	0.67	0.02	1.17
Pb(6.5) + nTiO₂ (16.5)	LogW = 0.60–1.35logTL	0.60	− 1.35	0.68	0.32	1.44
Pb(15) + nTiO₂ (7.5)	LogW = 0.27–0.37logTL	0.27	− 0.37	0.69	0.03	1.18
Pb(15) + nTiO₂ (16.5)	LogW = 0.20–0.17logTL	0.20	− 0.17	0.75	0.01	0.99
Control	LogW = −2.44logTL–0.36logTL	− 0.36	2.09	− 2.44	0.03	1.74