Effect of culture duration on layer thickness and pearl quality of winged pearl oyster Pteria penguin (Bivalvia: Pteriidae) in Palabusa waters, Buton Strait, Southeast Sulawesi

Firmansah, Fitrah and Muskita, Wellem and Indrayani, Indrayani (2020) Effect of culture duration on layer thickness and pearl quality of winged pearl oyster Pteria penguin (Bivalvia: Pteriidae) in Palabusa waters, Buton Strait, Southeast Sulawesi. AACL Bioflux, 13 (2). pp. 451-458. ISSN 1844-9166 (online); ISSN 1844-8143 (print)

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Abstract

The aim of this study was to determine the layer thickness and the pearl quality of winged pearl oyster Pteria penguin under different culture duration in Palabusa waters, Buton Strait, Southeast Sulawesi. A total of 120 pearl oysters with dorso-ventral height of 95.70±9.42 mm, width of 115.45±10.05 mm width, thickness of 31.92±3.15 mm, and weight of 105.71±17.21 g were implanted with a hemispherical plastic nuclei (12 mm diameter and 10 mm height ) in the left valve by using a glue without anaeshetized and then cultivated for 6 months. The pearls were harvested at different culture duration after implantation; 90 days (treatment A), 120 days (treatment B), 150 days (treatment C) and 180 days (treatment D). The thickest top layer was obtained in the treatment D (0.264±0.013 mm) while the thinnest top layer was obtained in the treatment A (0.156±0.011 mm). The thickest base layer was also obtained in the treatment D (0.543±0.011 mm) and the thinnest base layers was obtained in treatment A (0.199±0.015 mm). The highest quality of pearls at AAA grade was obtained from the treatment D (28.6%), followed by treatment C (13.0%), treatment B (4.5%), and treatment A (0%). The lowest grade, non commercial grade (NC), was highest in treatment A of 37.0% followed by treatments B 18.2% and treatment C of 17.4%, and the lowest in treatment A by 4.8%. This study suggests that the culture duration of 6 months increases the thickness and quality of winged pearl oyster P. penguin cultured in the Palabusa waters.

Item Type:	Article
Subjects:	FAKULTAS TEKNIK FAKULTAS TEKNIK > Pendidikan Teknologi Pertanian
Divisions:	FAKULTAS TEKNIK
Depositing User:	Dr. Indrayani Indrayani
Date Deposited:	20 Jun 2023 12:05
Last Modified:	20 Jun 2023 12:05
URI:	http://eprints.unm.ac.id/id/eprint/30654

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• Effect of culture duration on layer thickness and pearl quality of winged pearl oyster Pteria penguin (Bivalvia: Pteriidae) in Palabusa waters, Buton Strait, Southeast Sulawesi. (deposited 20 Jun 2023 12:05) [Currently Displayed]

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