Table 6 Impact of A. platensis and Lemongrass on nile tilapia differential leukocytic count experimentally infected with A. hydrophila (n = 9).

WBCs count (× 10³/µl)

Before infection

20.9 ± 0.2^Y

20.27 ± 0.1^Y

20.03 ± 0.05^Y

20.48 ± 0.51 ^Y

After infection

43.53 ± 1.04^aX

28.6 ± 1.2^bcX

31.79 ± 0.92^bX

27 ± 0.92^cX

Heterophils (× 10³/µl)

Before infection

6.9 ± 0.4^aY

6.6 ± 0.2^abY

6.11 ± 0.49^abY

5.42 ± 0.33^bY

After infection

24.15 ± 0.85^aX

11.5 ± 0.7^bX

13.63 ± 0.62^bX

6.95 ± 0.58^cX

Lymphocyte (× 10³/µl)

Before infection

8.2 ± 0.3^cX

9.1 ± 0.1^bX

8.93 ± 0.19^bX

11.27 ± 0.04^ay

After infection

6.4 ± 0.26^cY

9.3 ± 0.5^bX

9.9 ± 0.15^bX

14.38 ± 0.27^aX

Monocytes (× 10³/µl)

Before infection

5.1 ± 0.0^aY

4.1 ± 0.0^bY

4.46 ± 0.22^bY

3.34 ± 0.11^cY

After infection

12.16 ± 0.46^aX

7.1 ± 0.04^bX

7.56 ± 0.17^bX

5.05 ± 0.06^cX

Eosinophiles (× 10³/µl)

Before infection

0.60 ± 0.0^aY

0.54 ± 0.0^bY

0.55 ± 0.01^bY

0.46 ± 0.03^cY

After infection

0.83 ± 0.01^aX

0.73 ± 0.01^bX

0.71 ± 0.02^bX

0.62 ± 0.01^cX