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Environmental Sciences Europe

Table 3 Comparison of fish weights and hepatosomatic indices (HSI) after 10 days of TiO2 and CeO2 NPs dietary exposure and at the end of the depuration phase (day 52), along with whole study growth performance parameters

From: Influence of citrate and PEG coatings on the bioaccumulation of TiO2 and CeO2 nanoparticles following dietary exposure in rainbow trout

 

Day 10

Day 52

SGR (%/day−1)

Kg (day−1)

 

Weight (g)

HSI (%)

Weight (g)

HSI (%)

Control

2.3 ± 0.4

0.7 ± 0.2

3.6 ± 0.5

1.5 ± 0.2

2.14

0.017

TiO2-UNC

2.0 ± 0.3

1.0 ± 0.1

4.2 ± 0.8

2.1 ± 0.2

2.42

0.026

TiO2-CIT

1.8 ± 0.2

1.2 ± 0.1

3.4 ± 0.7

1.9 ± 0.3

2.00

0.021

TiO2-PEG

1.8 ± 0.3

0.7 ± 0.1

3.8 ± 0.4

1.4 ± 0.1

2.21

0.021

Control

1.6 ± 0.1

1.3 ± 0.1

4.5 ± 1.0

1.5 ± 0.2

2.56

0.025

CeO2-UNC

1.5 ± 0.2

0.9 ± 0.1

4.1 ± 1.2

1.3 ± 0.6

2.36

0.022

CeO2-CIT

1.3 ± 0.1

1.3 ± 0.1

4.8 ± 1.0

0.9 ± 0.1

2.67

0.025

CeO2-PEG

1.4 ± 0.2

1.6 ± 0.3

5.0 ± 1.0

1.5 ± 0.1

2.75

0.028

  1. Values are presented as mean ± SEM (n = 5, fish weights), (n = 3, HSI)
  2. HSI (%) = 100 × hepatic weight (g)/body weight (g)
  3. SGR (%/day−1) = 100 × [ln final body weight (g) −ln initial body weight (g)]/ days
  4. Kg = slope of the line of plot of (ln) body weight against time (days)
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