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

From: Haemato-immunological responses and effectiveness of feed-based bivalent vaccine against Streptococcus iniae and Aeromonas hydrophila infections in hybrid red tilapia (Oreochromis mossambicus × O. niloticus)

Groups Days after Erythrocytes
(106/μl)
Thrombocytes (103/μl) Leucocytes
(103/μl)
Lymphocytes
(103/μl)
Monocytes
(103/μl)
Granulocytes
(103/μl)
Haemoglobin
(g/dl)
Unvaccinated 7 (dpv) 4.22 ± 0.55a 22.43 ± 3.33a 26.71 ± 4.51c 25.49 ± 1.95a 0.30 ± 0.07a 4.76 ± 0.46a 5.45 ± 1.18a
BS 4.98 ± 1.51a 23.37 ± 3.59a 31.90 ± 1.92b 26.35 ± 2.59a 0.33 ± 0.05a 4.52 ± 0.73a 5.38 ± 1.47a
BF 5.51 ± 1.96a 24.49 ± 3.91a 37.23 ± 0.46a 28.46 ± 5.71a 0.36 ± 0.05a 5.45 ± 1.66a 5.80 ± 1.49a
MS 5.22 ± 2.14a 25.56 ± 6.35a 36.46 ± 1.20a 27.43 ± 5.65a 0.35 ± 0.07a 5.30 ± 1.13a 5.82 ± 1.30a
MA 4.46 ± 0.86a 24.13 ± 3.92a 35.20 ± 0.63a,b 27.26 ± 3.89a 0.33 ± 0.06a 4.90 ± 0.20a 5.69 ± 1.49a
Unvaccinated 21 (dpv) 3.92 ± 1.52a 19.90 ± 3.10a 29.21 ± 4.83c 17.82 ± 1.52c 0.37 ± 0.06b 4.29 ± 0.47c 4.90 ± 1.84a
BS 5.93 ± 2.50a 21.77 ± 2.96a 37.03 ± 2.08b 24.39 ± 1.10c 0.39 ± 0.10a,b 5.71 ± 1.15b 4.98 ± 1.04a
BF 7.55 ± 2.06a 25.34 ± 5.06a 45.39 ± 1.34a 27.63 ± 1.40a,b 0.46 ± 0.03a,b 7.19 ± 0.23a 6.58 ± 1.55a
MS 6.36 ± 2.66a 27.30 ± 4.99a 38.75 ± 2.00b 28.65 ± 2.84a 0.49 ± 0.03a 5.69 ± 0.55b 6.71 ± 2.31a
MA 49 (dpv) 8.01 ± 2.02a 23.31 ± 4.89a 39.78 ± 2.49b 25.93 ± 1.44a,b 0.43 ± 0.02a,b 5.73 ± 0.40b 6.35 ± 1.05a
Unvaccinated 4.22 ± 0.94a 17.80 ± 5.13a 27.92 ± 1.59c 18.66 ± 2.84c 0.39 ± 0.02b 3.96 ± 0.60c 5.11 ± 0.66a
BS 4.64 ± 1.58a 23.62 ± 5.37a 39.35 ± 0.86b 23.57 ± 1.95b 0.49 ± 0.02a,b 5.74 ± 0.31b 5.73 ± 2.12a
BF 6.52 ± 2.10a 26.55 ± 5.26a 43.18 ± 2.14b 27.65 ± 1.88a,b 0.52 ± 0.09a,b 8.09 ± 0.71a 6.79 ± 2.13a
MS 7.14 ± 1.51a 24.83 ± 6.25a 47.45 ± 3.22a 28.80 ± 1.73a 0.55 ± 0.06a 6.16 ± 0.69b 7.01 ± 2.66a
MA 6.35 ± 2.32a 21.11 ± 3.11a 42.19 ± 2.99b 27.10 ± 2.15a,b 0.53 ± 0.03a,b 6.11 ± 0.63b 6.57 ± 2.26a
  1. a-cMeans within the same column shows a significantly different effect (P < 0.05)