EFFECT OF SALINITY ON THE SURVIVAL, GROWTH AND IMMUNITY RATE OF JUVENILE SEA CUCUMBERS (Holothuria scabra)

Sea cucumber (Holothuria scabra) is important species as food and medicine especially for Chinese market. It  is a stenohaline and osmoconforming organism with a low level of tolerance to salinity change. Salinity of the medium is one of the environmental factors that affect the physiology and sur...

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Main Authors: Sari Budi Moria Sembiring, Gigih Setia Wibawa, Jhon Harianto Hutapea, I Nyoman Adiasmara Giri
Format: Article
Language:English
Published: SEAMEO, BIOTROP 2019-12-01
Series:Biotropia: The Southeast Asian Journal of Tropical Biology
Subjects:
Online Access:https://journal.biotrop.org/index.php/biotropia/article/view/1041
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author Sari Budi Moria Sembiring
Gigih Setia Wibawa
Jhon Harianto Hutapea
I Nyoman Adiasmara Giri
author_facet Sari Budi Moria Sembiring
Gigih Setia Wibawa
Jhon Harianto Hutapea
I Nyoman Adiasmara Giri
author_sort Sari Budi Moria Sembiring
collection DOAJ
description Sea cucumber (Holothuria scabra) is important species as food and medicine especially for Chinese market. It  is a stenohaline and osmoconforming organism with a low level of tolerance to salinity change. Salinity of the medium is one of the environmental factors that affect the physiology and survival of juvenile sea cucumbers. This study was aimed at assessing the effect of different salinities on the growth, survival and immunity rate of juvenile sea cucumbers (Holothuria scabra) and also determining the suitable salinity level for the optimal growth, survival and immunity rate of the sea cucumbers. This  experiment  used a completely randomized design with 5 salinity treatments: 24, 29, 34, 39, and 44 ppt with 3 replications using fifteen30 L-fiber glass tanks. The juvenile sea cucumbers measured 4.4 ± 0.2 cm in total length and 5.6 ± 0.3 g in body weight. The juveniles were raised at 15 individuals/tank, fed with cultured fresh benthos once a day in the afternoon. Coelomate was taken from the sea cucumber juveniles from each tank  and used to determinie the immunity rate and also for the osmolality. The data were analyzed using ANOVA followed by Tukey’s test at 5% level of significance. The salinity of the medium significantly affected (P < 0.05) the growth, survival rate and immunity rate of sea cucumber juveniles. The 24 - 34 ppt salinity can support survival rate up to 100%, high growth (6.47 – 7.10 g) and immunity rate (27 – 76  x 104phagocytic cell/mL), while the 44 ppt salinity has resulted in not only a low survival rate (55.6%), but also had a bad effect on osmolality (303 ± 3.5 mOs-mol kg-1), growth (3.12 ± 0.34 g), and immunity (209 x 104 phagocytic cell/mL).
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spelling doaj.art-faf764f8b821418284fd4c824d6fa5572023-07-13T04:29:19ZengSEAMEO, BIOTROPBiotropia: The Southeast Asian Journal of Tropical Biology0215-63341907-770X2019-12-0126310.11598/btb.2019.26.3.1041EFFECT OF SALINITY ON THE SURVIVAL, GROWTH AND IMMUNITY RATE OF JUVENILE SEA CUCUMBERS (Holothuria scabra)Sari Budi Moria Sembiring0Gigih Setia Wibawa1Jhon Harianto Hutapea2I Nyoman Adiasmara Giri3Institute for Mariculture Research and Fisheries ExtensionInstitute for Mariculture Research and Fisheries ExtensionInstitute for Mariculture Research and Fisheries ExtensionInstitute for Mariculture Research and Fisheries Extension Sea cucumber (Holothuria scabra) is important species as food and medicine especially for Chinese market. It  is a stenohaline and osmoconforming organism with a low level of tolerance to salinity change. Salinity of the medium is one of the environmental factors that affect the physiology and survival of juvenile sea cucumbers. This study was aimed at assessing the effect of different salinities on the growth, survival and immunity rate of juvenile sea cucumbers (Holothuria scabra) and also determining the suitable salinity level for the optimal growth, survival and immunity rate of the sea cucumbers. This  experiment  used a completely randomized design with 5 salinity treatments: 24, 29, 34, 39, and 44 ppt with 3 replications using fifteen30 L-fiber glass tanks. The juvenile sea cucumbers measured 4.4 ± 0.2 cm in total length and 5.6 ± 0.3 g in body weight. The juveniles were raised at 15 individuals/tank, fed with cultured fresh benthos once a day in the afternoon. Coelomate was taken from the sea cucumber juveniles from each tank  and used to determinie the immunity rate and also for the osmolality. The data were analyzed using ANOVA followed by Tukey’s test at 5% level of significance. The salinity of the medium significantly affected (P < 0.05) the growth, survival rate and immunity rate of sea cucumber juveniles. The 24 - 34 ppt salinity can support survival rate up to 100%, high growth (6.47 – 7.10 g) and immunity rate (27 – 76  x 104phagocytic cell/mL), while the 44 ppt salinity has resulted in not only a low survival rate (55.6%), but also had a bad effect on osmolality (303 ± 3.5 mOs-mol kg-1), growth (3.12 ± 0.34 g), and immunity (209 x 104 phagocytic cell/mL). https://journal.biotrop.org/index.php/biotropia/article/view/1041growthimmunitysalinitysea cucumbersurvival rate
spellingShingle Sari Budi Moria Sembiring
Gigih Setia Wibawa
Jhon Harianto Hutapea
I Nyoman Adiasmara Giri
EFFECT OF SALINITY ON THE SURVIVAL, GROWTH AND IMMUNITY RATE OF JUVENILE SEA CUCUMBERS (Holothuria scabra)
Biotropia: The Southeast Asian Journal of Tropical Biology
growth
immunity
salinity
sea cucumber
survival rate
title EFFECT OF SALINITY ON THE SURVIVAL, GROWTH AND IMMUNITY RATE OF JUVENILE SEA CUCUMBERS (Holothuria scabra)
title_full EFFECT OF SALINITY ON THE SURVIVAL, GROWTH AND IMMUNITY RATE OF JUVENILE SEA CUCUMBERS (Holothuria scabra)
title_fullStr EFFECT OF SALINITY ON THE SURVIVAL, GROWTH AND IMMUNITY RATE OF JUVENILE SEA CUCUMBERS (Holothuria scabra)
title_full_unstemmed EFFECT OF SALINITY ON THE SURVIVAL, GROWTH AND IMMUNITY RATE OF JUVENILE SEA CUCUMBERS (Holothuria scabra)
title_short EFFECT OF SALINITY ON THE SURVIVAL, GROWTH AND IMMUNITY RATE OF JUVENILE SEA CUCUMBERS (Holothuria scabra)
title_sort effect of salinity on the survival growth and immunity rate of juvenile sea cucumbers holothuria scabra
topic growth
immunity
salinity
sea cucumber
survival rate
url https://journal.biotrop.org/index.php/biotropia/article/view/1041
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