The reproduction viability of Indonesian endemic fish Oryzias marmoratus (Aurich, 1935) fed by Spirulina

Oryzias marmoratus is one of the ornamental aquarium fish species that live endemic to Towuti Lake, South of Sulawesi, Indonesia. However, the fish has been categorized as near threatened by IUCN. A current report showed the fish could be cultivated. This research aims to improve the reproduction qu...

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Autores principales:	Said Djamhuriyah S., Mayasari Novi, Satya Awalina, Chrismadha Tjandra, Febrianti Dwi
Formato:	article
Lenguaje:	EN FR
Publicado:	EDP Sciences 2021
Materias:	Environmental sciences GE1-350
Acceso en línea:	https://doaj.org/article/d7de637b32f447c3851e02e7dcaf863f
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spelling	oai:doaj.org-article:d7de637b32f447c3851e02e7dcaf863f2021-11-12T11:44:43ZThe reproduction viability of Indonesian endemic fish Oryzias marmoratus (Aurich, 1935) fed by Spirulina2267-124210.1051/e3sconf/202132201007https://doaj.org/article/d7de637b32f447c3851e02e7dcaf863f2021-01-01T00:00:00Zhttps://www.e3s-conferences.org/articles/e3sconf/pdf/2021/98/e3sconf_isffs2021_01007.pdfhttps://doaj.org/toc/2267-1242Oryzias marmoratus is one of the ornamental aquarium fish species that live endemic to Towuti Lake, South of Sulawesi, Indonesia. However, the fish has been categorized as near threatened by IUCN. A current report showed the fish could be cultivated. This research aims to improve the reproduction quality in cultivation by using artificial feed containing Spirulina (A=0, B=3, and C=6) % dry weight. The study was conducted with two replications using an aquarium (80 x 40 x 40 cm) for 40 days (October-December 2020) at Research Center for Limnology-LIPI. Each aquarium contains 21 broodstock (female: male = 2:1). Observation parameters are the total number of spawning/ToS (time), ovulated eggs number/OEN, fertilization ability/FA (%), hatching ability/HA (%), number of larvae/NoL, the egg of incubation time/EIT (day), survival of larvae seven days old after hatching/SR7 (%). Based on descriptive analysis, the use of feed C (containing 6% Spirulina) produced the highest values of ToS, OEN, %HA, NoL, and SR7 (%) were ten times; 89 eggs; 89 larvae, 100%; and 98.89±3.51% respectively. Spirulina could increase the reproduction viability and is presumed to enhance feed efficiency of Oryzias marmoratus, but the optimum levels have not been obtained.Said Djamhuriyah S.Mayasari NoviSatya AwalinaChrismadha TjandraFebrianti DwiEDP SciencesarticleEnvironmental sciencesGE1-350ENFRE3S Web of Conferences, Vol 322, p 01007 (2021)
institution	DOAJ
collection	DOAJ
language	EN FR
topic	Environmental sciences GE1-350
spellingShingle	Environmental sciences GE1-350 Said Djamhuriyah S. Mayasari Novi Satya Awalina Chrismadha Tjandra Febrianti Dwi The reproduction viability of Indonesian endemic fish Oryzias marmoratus (Aurich, 1935) fed by Spirulina
description	Oryzias marmoratus is one of the ornamental aquarium fish species that live endemic to Towuti Lake, South of Sulawesi, Indonesia. However, the fish has been categorized as near threatened by IUCN. A current report showed the fish could be cultivated. This research aims to improve the reproduction quality in cultivation by using artificial feed containing Spirulina (A=0, B=3, and C=6) % dry weight. The study was conducted with two replications using an aquarium (80 x 40 x 40 cm) for 40 days (October-December 2020) at Research Center for Limnology-LIPI. Each aquarium contains 21 broodstock (female: male = 2:1). Observation parameters are the total number of spawning/ToS (time), ovulated eggs number/OEN, fertilization ability/FA (%), hatching ability/HA (%), number of larvae/NoL, the egg of incubation time/EIT (day), survival of larvae seven days old after hatching/SR7 (%). Based on descriptive analysis, the use of feed C (containing 6% Spirulina) produced the highest values of ToS, OEN, %HA, NoL, and SR7 (%) were ten times; 89 eggs; 89 larvae, 100%; and 98.89±3.51% respectively. Spirulina could increase the reproduction viability and is presumed to enhance feed efficiency of Oryzias marmoratus, but the optimum levels have not been obtained.
format	article
author	Said Djamhuriyah S. Mayasari Novi Satya Awalina Chrismadha Tjandra Febrianti Dwi
author_facet	Said Djamhuriyah S. Mayasari Novi Satya Awalina Chrismadha Tjandra Febrianti Dwi
author_sort	Said Djamhuriyah S.
title	The reproduction viability of Indonesian endemic fish Oryzias marmoratus (Aurich, 1935) fed by Spirulina
title_short	The reproduction viability of Indonesian endemic fish Oryzias marmoratus (Aurich, 1935) fed by Spirulina
title_full	The reproduction viability of Indonesian endemic fish Oryzias marmoratus (Aurich, 1935) fed by Spirulina
title_fullStr	The reproduction viability of Indonesian endemic fish Oryzias marmoratus (Aurich, 1935) fed by Spirulina
title_full_unstemmed	The reproduction viability of Indonesian endemic fish Oryzias marmoratus (Aurich, 1935) fed by Spirulina
title_sort	reproduction viability of indonesian endemic fish oryzias marmoratus (aurich, 1935) fed by spirulina
publisher	EDP Sciences
publishDate	2021
url	https://doaj.org/article/d7de637b32f447c3851e02e7dcaf863f
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The reproduction viability of Indonesian endemic fish Oryzias marmoratus (Aurich, 1935) fed by Spirulina

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