Table 5 Serum biochemical and immunity parameters in Coho salmon Oncorhynchus kisutch fed the experimental diets with graded Cu levels after 10 weeks^a.

AST (U/L)

7.88 ± 0.01^d

6.05 ± 0.05^c

4.19 ± 0.03^b

3.61 ± 0.02^a

4.13 ± 0.02^b

5.02 ± 0.32^c

ALT (U/L)

5.98 ± 0.03^d

4.99 ± 0.03^c

3.42 ± 0.01^b

3.04 ± 0.06^a

3.37 ± 0.05^b

4.96 ± 0.02^c

AKP (U/mL)

0.78 ± 0.00^a

0.85 ± 0.00^b

1.01 ± 0.00^c

1.13 ± 0.00^d

1.02 ± 0.00^c

1.04 ± 0.00^c

LZM (µg/mL)

4.86 ± 0.01^a

5.29 ± 0.02^b

6.01 ± 0.01^c

6.19 ± 0.04^d

5.98 ± 0.01^c

5.23 ± 0.01^b