Table 5 Relative abundance of metacercariae in 25 ponds with matching snail data (fish species represented by less than 10 specimens were grouped together as “Other”)
Fish species | No. of fish | No. of ponds | Mean metacer-cariae densitya | Maximum density in 1 fish | Weight range (g) of fish | Prevalence of FZT (%) | Count ratio | Odds ratio |
|---|---|---|---|---|---|---|---|---|
Grass carp (Ctenopharyngodon idellus) | 126 | 20 | 9.23 | 177.7 | 60–896 | 90.5 | 1.00 | 1.00 |
Indian carp (Labeo rohita) | 416 | 25 | 0.23 | 7.4 | 10–720 | 70.2 | 0.02*** | 0.2*** |
Mrigal (Cirrhinus mrigala) | 153 | 19 | 0.38 | 9.7 | 30–350 | 79.1 | 0.04*** | 0.38* |
Pacu (Piaractus brachypomum) | 31 | 4 | 0.78 | 5.05 | 20–100 | 90.3 | 0.11*** | 0.87 |
Red-eyed carp (Squaliobarbus curriculus) | 39 | 8 | 0.24 | 2.19 | 80–210 | 76.9 | 0.03*** | 0.32 |
Silver carp (Hypophthalmichthys molitrix) | 382 | 23 | 4.75 | 216 | 20–430 | 86.9 | 0.46* | 0.59 |
Crucian carp (Carrasius auratus) | 66 | 18 | 1.09 | 9.2 | 18–170 | 77.3 | 0.11*** | 0.27* |
Tilapia (Oreochromis niloticus) | 25 | 7 | 0.59 | 13.8 | 19–210 | 32.0 | 0.06** | 0.04*** |
Other | 28 | 12 | 4.29 | 64 | 12–420 | 75.0 | 0.42 | 0.31 |