![]() ![]() Incorporating production and price risk into the model reduced the expected NPV of the mabé pearl farm to $297,507. The MIRR and benefit-cost ratio of the modelled mabé pearl farm were 22.64% and 7.24, respectively, with a payback period of 3 years. Annual production of 5400 mabé pearls generated an NPV of $491,864. penguin oysters with an estimated capital cost of $7319. The downstream mabé pearl farm modelled in this study comprised two 100-m longlines supporting 2000 implanted Pt. The MIRR generated was 12.24%, with a benefit-cost ratio was 1.52, and a payback period of 4 years. margaritifera pearl oysters (sold to round pearl culture operations) with estimated NPV of $10,439. The spat collection operation produced 2332 saleable P. The spat collection farm modelled in this study comprised four 100-m longlines supporting 1240 commercial spat collectors, with an estimated capital cost of $1245 (all figures in USD). margaritifera spat collection operations, for mabé pearl production. This study determined the potential profitability of (1) community-based pearl oyster spat collection operations targeting Pinctada margaritifera, and the subsequent sale of pearl oysters to round pearl farms and (2) the use of Pteria penguin, collected incidentally from P. 734505 ISSN: 0044-8486 Subject: Pinctada margaritifera, Pteria penguin, capital, collectors, cost benefit analysis, farms, models, oyster culture, oysters, pearls, prices, profitability, risk, Polynesia Abstract: Cultured pearl production, and associated activities, are of crucial social and economic importance to remote coastal communities in Polynesia and the western Pacific. ![]() Southgate Source: Aquaculture 2020 v.514 pp. Because an oyster is considered spat up to the age of 12 months, size can vary considerably. Some spat is still collected, but the amount is small compared to the spat sourced from New South Wales. Economic assessment of community-based pearl oyster spat collection and mabé pearl production in the western Pacific Author: Bill Johnston, Pranesh Kishore, Gary Bingnald Vuibeqa, Damian Hine, Paul C. Queensland oyster farmers have, for some time, relied on importing spat from New South Wales for on-growing into Queensland waters. ![]()
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