Table 1 Haematological parameters (mean ± SD) of hybrid red tilapia on days 7, 21 and 49 post-vaccination, before challenge trial

7 (dpv)

4.22 ± 0.55^a

22.43 ± 3.33^a

26.71 ± 4.51^c

25.49 ± 1.95^a

0.30 ± 0.07^a

4.76 ± 0.46^a

5.45 ± 1.18^a

4.98 ± 1.51^a

23.37 ± 3.59^a

31.90 ± 1.92^b

26.35 ± 2.59^a

0.33 ± 0.05^a

4.52 ± 0.73^a

5.38 ± 1.47^a

5.51 ± 1.96^a

24.49 ± 3.91^a

37.23 ± 0.46^a

28.46 ± 5.71^a

0.36 ± 0.05^a

5.45 ± 1.66^a

5.80 ± 1.49^a

5.22 ± 2.14^a

25.56 ± 6.35^a

36.46 ± 1.20^a

27.43 ± 5.65^a

0.35 ± 0.07^a

5.30 ± 1.13^a

5.82 ± 1.30^a

4.46 ± 0.86^a

24.13 ± 3.92^a

35.20 ± 0.63^a,b

27.26 ± 3.89^a

0.33 ± 0.06^a

4.90 ± 0.20^a

5.69 ± 1.49^a

21 (dpv)

3.92 ± 1.52^a

19.90 ± 3.10^a

29.21 ± 4.83^c

17.82 ± 1.52^c

0.37 ± 0.06^b

4.29 ± 0.47^c

4.90 ± 1.84^a

5.93 ± 2.50^a

21.77 ± 2.96^a

37.03 ± 2.08^b

24.39 ± 1.10^c

0.39 ± 0.10^a,b

5.71 ± 1.15^b

4.98 ± 1.04^a

7.55 ± 2.06^a

25.34 ± 5.06^a

45.39 ± 1.34^a

27.63 ± 1.40^a,b

0.46 ± 0.03^a,b

7.19 ± 0.23^a

6.58 ± 1.55^a

6.36 ± 2.66^a

27.30 ± 4.99^a

38.75 ± 2.00^b

28.65 ± 2.84^a

0.49 ± 0.03^a

5.69 ± 0.55^b

6.71 ± 2.31^a

49 (dpv)

8.01 ± 2.02^a

23.31 ± 4.89^a

39.78 ± 2.49^b

25.93 ± 1.44^a,b

0.43 ± 0.02^a,b

5.73 ± 0.40^b

6.35 ± 1.05^a

4.22 ± 0.94^a

17.80 ± 5.13^a

27.92 ± 1.59^c

18.66 ± 2.84^c

0.39 ± 0.02^b

3.96 ± 0.60^c

5.11 ± 0.66^a

4.64 ± 1.58^a

23.62 ± 5.37^a

39.35 ± 0.86^b

23.57 ± 1.95^b

0.49 ± 0.02^a,b

5.74 ± 0.31^b

5.73 ± 2.12^a

6.52 ± 2.10^a

26.55 ± 5.26^a

43.18 ± 2.14^b

27.65 ± 1.88^a,b

0.52 ± 0.09^a,b

8.09 ± 0.71^a

6.79 ± 2.13^a

7.14 ± 1.51^a

24.83 ± 6.25^a

47.45 ± 3.22^a

28.80 ± 1.73^a

0.55 ± 0.06^a

6.16 ± 0.69^b

7.01 ± 2.66^a

6.35 ± 2.32^a

21.11 ± 3.11^a

42.19 ± 2.99^b

27.10 ± 2.15^a,b

0.53 ± 0.03^a,b

6.11 ± 0.63^b

6.57 ± 2.26^a