Table 3 Mean values (Mean ± SD) of the initial and final weight of fish with specific growth rate and feed conversion ratio in CCS and OCS.
From: Economic feasibility study of organic and conventional fish farming systems of Indian major carps
Fish Species | CCS | OCS | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Weight (g) (Mean ± SD) | SGR (specific growth rate (%day−1)) | FCR | Weight (g) (Mean ± SD) | SGR (specific growth rate (% day−1)) | FCR | |||||||
Initial weight | Final weight | Mean ± SD | Range | Mean ± SD | Range | Initial weight | Final weight | Mean ± SD | Range | Mean ± SD | Range | |
Catla | 25.5 ± 1.09a | 629.7 ± 5.66b | 1.190 ± 0.81a | 0.041–2.59 | 1.64 ± 0.01a | 1.61–1.66 | 25.5 ± 1.09a | 709.55 ± 4.32c | 1.235 ± 0.86b | 0.334–2.899 | 1.38 ± 0.01a | 1.36–1.38 |
Rohu | 22.5 ± 1.08b | 669.7 ± 5.52c | 1.279 ± 0.92b | 0.328–2.875 | 1.60 ± 0.03c | 1.60–1.63 | 22.5 ± 1.08b | 708.41 ± 4.23a | 1.298 ± 0.91c | 0.185–2.544 | 1.36 ± 0.01b | 1.36–1.39 |
Mrigal | 21.3 ± 1.06a | 503.73 ± 5.32b | 1.194 ± 1.01b | 0.121–3.284 | 1.62 ± 0.03b | 1.62–1.65 | 21.3 ± 1.06a | 547.73 ± 4.21b | 1.224 ± 1.80c | 0.012–3.724 | 1.39 ± 0.01c | 1.36–1.35 |