Skip to main content

Table 5 Haematological and immunological parameters (mean ± SD) after 96 h challenged with S. iniae of hybrid red tilapia

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 Hours after Haematological parameters Immunological parameters
MCH
(pg)
MCHC
(g/dl)
Haematocrit
(%)
Lysozyme activity (unit/ml) Phagocytic activity (%) Antibody level (IgM) (450 nm)
Unvaccinated 96 (hpi) 15.58 ± 2.82a 21.99 ± 1.38a 13.45 ± 2.71b 96.50 ± 4.16c 27.45 ± 6.14c 0.30 ± 0.02c
BS 13.08 ± 2.26a 28.79 ± 3.32a 18.45 ± 2.78a 253.37 ± 6.11b 36.50 ± 3.49b 0.59 ± 0.06b
BF 12.90 ± 5.03a 29.46 ± 7.82a 20.26 ± 1.57a 327.83 ± 6.38a 47.60 ± 4.50a 0.86 ± 0.07a
MS 14.79 ± 2.20a 30.29 ± 7.83a 21.06 ± 2.65a 323.57 ± 3.04a 39.00 ± 9.05a,b 0.72 ± 0.03a,b
  1. a-cMeans within the same column shows a significantly different effect (P < 0.05)