Table 1 Growth response and survival of C. gariepinus fries fed with contaminated zooplankton of Pb and nTiO₂

Percentage survival (%)

98

98

96

100

92

80

100

50

100

Initial mean weight (g)

0.18^a ± 0.007

0.19^b ± 0.014

0.28^c ± 0.028

0.15^ab ± 0.007

0.24^f ± 0.212

0.27^g ± 0.028

0.23^d ± 0.042

0.22^e ± 0.28

0.28^ad ± 0.021

Final mean weight (g)

0.51^a ± 0.26

0.44^b ± 0.22

0.64^c ± 0.39

0.49^ba ± 0.39

0.61^e ± 0.45

0.67^f ± 0. 83

0.59c^be ± 0.41

0.64^d ± 0.46

0. 83^bc ± 0.42

Mean weight gain (g)

0.33^a ± 0.21

0.25^b ± 0.20

0.36^c ± 0.49

0.34^cd ± 0.54

0.37^e ± 0.63

0.39^f ± 1.2

0.36^ce ± 0.55

0.42^d ± 0.62

0.56^g ± 0.23

SGR (%day)

3. 8^a

3.0^a

2.95^a

3.11^a

3.3^a

4.01^a

3.36^a

3. 8^a

4.22^a