Abalone, Haliotis mariae (Wood, 1828), Hatchery and Seed Production Trials in Oman
Hatchery and seed production trials for the Omani endemic abalone Haliotis mariae were carried out at the land-based Mirbat Abalone Seed Production Station in Oman between 1999 and 2000. The methods developed for broodstock conditioning, induction of spawning and fertilization, larval settlement, an...
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| Format: | Article |
| Language: | English |
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Sultan Qaboos University
2008-01-01
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| Series: | Journal of Agricultural and Marine Sciences |
| Subjects: | |
| Online Access: | https://journals.squ.edu.om/index.php/jams/article/view/680 |
| _version_ | 1817975515902902272 |
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| author | Khalfan M. Al-Rashdi Tsueno Iwao |
| author_facet | Khalfan M. Al-Rashdi Tsueno Iwao |
| author_sort | Khalfan M. Al-Rashdi |
| collection | DOAJ |
| description | Hatchery and seed production trials for the Omani endemic abalone Haliotis mariae were carried out at the land-based Mirbat Abalone Seed Production Station in Oman between 1999 and 2000. The methods developed for broodstock conditioning, induction of spawning and fertilization, larval settlement, and the handling of small juveniles are shown. Abalone collected in the post-monsoon period and held for 2 months matured faster than those collected before the monsoon and held for 6 months. Spawning induction of males and females had 63% and 11% success rates respectively, and the morphology of early larval stages is shown. Survival rates of veliger larvae introduced to settlement plates ranged from 35.9% to 73.7%, but the survival of post-larvae was low at 0.1% to 3.6%. The high mortality rate was attributed to invasions of filamentous green- and coralline algae on settlement plates and occurrence of low quantity of diatoms as food. Juveniles reacted best to 2% ethanol as anaesthetic, dropping off culture plates within 4 min and recovering within 17 min. Cultured abalone reached an average shell length of 52.9 mm over 13 months, which translates to an increment of 4.1 mm.mon-1. The overall conclusion of these preliminary research trials confirms that H. mariae can be cultured successfully in Oman. Further studies on the standardization of the techniques would help in stock enhancement programmes and commercial farming. |
| first_indexed | 2024-04-13T21:51:00Z |
| format | Article |
| id | doaj.art-6c32a6da377342bb8556f0e366cf2471 |
| institution | Directory Open Access Journal |
| issn | 2410-1060 2410-1079 |
| language | English |
| last_indexed | 2024-04-13T21:51:00Z |
| publishDate | 2008-01-01 |
| publisher | Sultan Qaboos University |
| record_format | Article |
| series | Journal of Agricultural and Marine Sciences |
| spelling | doaj.art-6c32a6da377342bb8556f0e366cf24712022-12-22T02:28:25ZengSultan Qaboos UniversityJournal of Agricultural and Marine Sciences2410-10602410-10792008-01-01130536310.24200/jams.vol13iss0pp53-63664Abalone, Haliotis mariae (Wood, 1828), Hatchery and Seed Production Trials in OmanKhalfan M. Al-Rashdi0Tsueno Iwao1Ministry of Fisheries Wealth, Aquaculture Center, P.O. Box 427, PC 100, Muscat, Sultanate of OmanJapan International Cooperation Agency, Fisheries Department, JapanHatchery and seed production trials for the Omani endemic abalone Haliotis mariae were carried out at the land-based Mirbat Abalone Seed Production Station in Oman between 1999 and 2000. The methods developed for broodstock conditioning, induction of spawning and fertilization, larval settlement, and the handling of small juveniles are shown. Abalone collected in the post-monsoon period and held for 2 months matured faster than those collected before the monsoon and held for 6 months. Spawning induction of males and females had 63% and 11% success rates respectively, and the morphology of early larval stages is shown. Survival rates of veliger larvae introduced to settlement plates ranged from 35.9% to 73.7%, but the survival of post-larvae was low at 0.1% to 3.6%. The high mortality rate was attributed to invasions of filamentous green- and coralline algae on settlement plates and occurrence of low quantity of diatoms as food. Juveniles reacted best to 2% ethanol as anaesthetic, dropping off culture plates within 4 min and recovering within 17 min. Cultured abalone reached an average shell length of 52.9 mm over 13 months, which translates to an increment of 4.1 mm.mon-1. The overall conclusion of these preliminary research trials confirms that H. mariae can be cultured successfully in Oman. Further studies on the standardization of the techniques would help in stock enhancement programmes and commercial farming.https://journals.squ.edu.om/index.php/jams/article/view/680haliotis mariae, aquaculture, seed production, larval settlement, growth, oman |
| spellingShingle | Khalfan M. Al-Rashdi Tsueno Iwao Abalone, Haliotis mariae (Wood, 1828), Hatchery and Seed Production Trials in Oman Journal of Agricultural and Marine Sciences haliotis mariae, aquaculture, seed production, larval settlement, growth, oman |
| title | Abalone, Haliotis mariae (Wood, 1828), Hatchery and Seed Production Trials in Oman |
| title_full | Abalone, Haliotis mariae (Wood, 1828), Hatchery and Seed Production Trials in Oman |
| title_fullStr | Abalone, Haliotis mariae (Wood, 1828), Hatchery and Seed Production Trials in Oman |
| title_full_unstemmed | Abalone, Haliotis mariae (Wood, 1828), Hatchery and Seed Production Trials in Oman |
| title_short | Abalone, Haliotis mariae (Wood, 1828), Hatchery and Seed Production Trials in Oman |
| title_sort | abalone haliotis mariae wood 1828 hatchery and seed production trials in oman |
| topic | haliotis mariae, aquaculture, seed production, larval settlement, growth, oman |
| url | https://journals.squ.edu.om/index.php/jams/article/view/680 |
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