Table 2
General linear model (GLM) results for the impact of Amazon sailfin catfish size (small, medium and large), stocking density (of respective life stage of native fish) and their interaction on mortality /destruction of rohu (R) and butter catfish (BC) eggs (E), eggs in presence of Tubifex (ET), hatchlings (H), first-feeding fry (FF) and 10-days old Fry (F10).
| Variables | Amazon sailfin catfish size (SS) | Native fish stocking density (NSD) | SS x NSD | ||||||
|---|---|---|---|---|---|---|---|---|---|
| df | F | P | df | F | P | df | F | P | |
| Rohu (Labeo rohita) | |||||||||
| RE | 2 | 0.451 | 0.642 | 3 | 0.204 | 0.893 | 6 | 0.103 | 0.995 |
| RET | 2 | 0.410 | 0.668 | 3 | 0.454 | 0.717 | 6 | 0.367 | 0.893 |
| RH | 2 | 0.282 | 0.757 | 3 | 3.419 | 0.033 | 6 | 3.564 | 0.011 |
| RFF | 2 | 1.268 | 0.299 | 3 | 0.889 | 0.461 | 6 | 2.299 | 0.068 |
| RF10 | 2 | 1.058 | 0.363 | 3 | 0.140 | 0.935 | 6 | 1.236 | 0.323 |
| Butter catfish (Ompok bimaculatus) | |||||||||
| BCE | 2 | 1.735 | 0.198 | 3 | 9.028 | <0.001 | 6 | 1.677 | 0.170 |
| BCET | 2 | 0.119 | 0.888 | 3 | 7.556 | 0.001 | 6 | 1.772 | 0.148 |
| BCH | 2 | 0.323 | 0.727 | 3 | 0.035 | 0.991 | 6 | 1.126 | 0.377 |
| BCFF | 2 | 0.344 | 0.712 | 3 | 1.738 | 0.186 | 6 | 0.149 | 0.987 |
| BCF10 | 2 | 0.264 | 0.770 | 3 | 0.086 | 0.967 | 6 | 0.280 | 0.941 |
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