Economic analysis of monosex culture of giant freshwater prawn (Macrobrachium rosenbergii De Man): a case study
All-male monosex culture of Macrobrachium rosenbergii (De Man) has emerged as a popular practice in India, especially in the state of Andhra Pradesh. A study was conducted to compare the economics of all-male, mixed and all-female culture in 15 adjacent, rectangular ponds of 4000 m² each by stocking...
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| Veröffentlicht in: | Aquaculture research 2006-06, Vol.37 (9), p.949-954 |
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| creator | Mohanakumaran Nair, C Salin, K.R Raju, M.S Sebastian, Mathew |
| description | All-male monosex culture of Macrobrachium rosenbergii (De Man) has emerged as a popular practice in India, especially in the state of Andhra Pradesh. A study was conducted to compare the economics of all-male, mixed and all-female culture in 15 adjacent, rectangular ponds of 4000 m² each by stocking juveniles previously reared in a nursery for 60 days. The experiment was conducted using a completely randomized design with three treatments; T₁ (all male), T₂ (mixed) and T₃ (all female), and five replicates for a period of 5 months after the nursery phase. Statistical analysis showed highly significant (P |
| doi_str_mv | 10.1111/j.1365-2109.2006.01521.x |
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A study was conducted to compare the economics of all-male, mixed and all-female culture in 15 adjacent, rectangular ponds of 4000 m² each by stocking juveniles previously reared in a nursery for 60 days. The experiment was conducted using a completely randomized design with three treatments; T₁ (all male), T₂ (mixed) and T₃ (all female), and five replicates for a period of 5 months after the nursery phase. Statistical analysis showed highly significant (P<0.01) differences among the three types of culture. The cost of production was estimated and the economic feasibility of the culture methods was evaluated by cost-return and partial budgeting analysis. The average weight, productivity and specific growth rate were the highest for all male culture, being 80.92±2.41 g, 1532 kg ha⁻¹ and 1.97±0.02 respectively. All-female culture registered significantly higher survival (89.16±0.77%) and the best apparent feed conversion ratio of 1.26±0.02. 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A study was conducted to compare the economics of all-male, mixed and all-female culture in 15 adjacent, rectangular ponds of 4000 m² each by stocking juveniles previously reared in a nursery for 60 days. The experiment was conducted using a completely randomized design with three treatments; T₁ (all male), T₂ (mixed) and T₃ (all female), and five replicates for a period of 5 months after the nursery phase. Statistical analysis showed highly significant (P<0.01) differences among the three types of culture. The cost of production was estimated and the economic feasibility of the culture methods was evaluated by cost-return and partial budgeting analysis. The average weight, productivity and specific growth rate were the highest for all male culture, being 80.92±2.41 g, 1532 kg ha⁻¹ and 1.97±0.02 respectively. All-female culture registered significantly higher survival (89.16±0.77%) and the best apparent feed conversion ratio of 1.26±0.02. 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| subjects | all-male culture case studies economic feasibility economics farming feed conversion females Freshwater freshwater prawn India juveniles Macrobrachium rosenbergii males mortality ponds production costs rearing shrimp shrimp culture statistical analysis |
| title | Economic analysis of monosex culture of giant freshwater prawn (Macrobrachium rosenbergii De Man): a case study |
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