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Table 3 Comparison of the mean intensity of monogenean species distributed on the left and the right gill sides of the wild Oreochromis niloticus, cultured O. niloticus and the red hybrid tilapia

From: Gill monogeneans of Nile tilapia (Oreochromis niloticus) and red hybrid tilapia (Oreochromis spp.) from the wild and fish farms in Perak, Malaysia: infection dynamics and spatial distribution

Host species/gill sides

Mean intensity (cl)

C. halli

S. longicornis

C. mbirizei

C. sclerosus

C. thurstonae

C. tilapiae

Wild O. niloticus

      

 Left

n.a.

1.00a (0.00–0.00)

n.a.

n.a.

n.a.

5.48a (3.00–10.68)

 Right

n.a.

1.00a (0.00–0.00)

n.a.

1.00 (0.00–0.00)

n.a.

3.40a (2.20–5.40)

Cultured O. niloticus

      

 Left

1.73a (1.27–2.09)

2.56a (1.56–3.44)

3.27a (2.00–4.00)

n.a.

4.63a (3.38–6.38)

12.24a (9.81–15.76)

 Right

1.67a (1.17–2.50)

1.53a (1.13–2.27)

3.38a (2.44–4.56)

n.a.

3.38a (2.67–4.43)

13.67a (10.43–17.05)

Cultured red hybrid tilapia

      

 Left

20.50a (13.11–28.78)

9.87a (6.35–15.00)

22.50a (14.69–33.25)

15.00a (9.00–24.25)

12.46a (7.15–18.77)

1.25a (1.00–1.50)

 Right

17.00a (10.95–25.55)

8.36a (6.09–11.18)

20.75a (15.56–27.13)

12.84a (8.26–19.42)

11.00a (7.08–16.67)

2.50a (1.25–3.25)

  1. cl Bootstrap bias-corrected and accelerated confidential limit, n.a. represents data is not available
  2. Levels of significant difference are represented by the superscript ‘a’ (p < 0.05)