Growth and survival of hippocampus barbouri (Jordan & Richardson, 1908) and hippocampus kuda (Bleeker, 1852) fed with artemia of different enrichaments

Name: Wung, Len Yung

LCSH: Kasetsart University -- Theses. M.S. (Fishery Science and Technology) 2020

Classification :.LCCS: SF458.S43

LCSH: Kasetsart University. -- Faculty of Fisheries -- Theses

LCSH: Sea horses -- Growth

LCSH: Syngnathidae

Abstract: Seahorses from the genus Hippocampus are facing tremendous pressure due to over exploitation to satisfy the demand for traditional Chinese medicine and ornamental fish trade. Hippocampus barbouri and Hippocampus kuda among the seahorse species being heavily traded in Malaysia and Thailand respectively. The establishment of seahorse aquaculture for sustainable supply is imminent in order to prevent the extinction of the species. Seahorse is one of the most sensitive fish species, thus every aspect relate to its growth and survival must be studied thoroughly. Among all, feeding aspect is the most critical. Artemia sp. is commonly used as live food in the culture of marine fish. However, it become less nutritious as it grows, therefore requires suitable enrichment which will contribute to growth and survival, specifically during early juvenile stage. This study focused on two species of seahorses at two different facilties, Hatchery unit, Institute of Bioscience, Universiti Putra Malaysia, Serdang, Selangor, Malaysia for H. barbouri, while at Training Unit, Faculty of Fisheries, Kasetsart University, Bangkok, Thailand, for H. kuda. The objectives of this study were divided into two main parts. First, to estimate the amount of Artemia nauplii consumed by seahorses from newborn to juvenile. While adult Artemia was used as food for juvenile to adult stage. Second objective was conducted to compare the growth and survival of seahorse juveniles fed with Artemia enriched with different enrichments. Results of the Artemia consumption experiments for H. barbouri and H. kuda, showed increasing numbers of Artemia nauplii consumed for both species. As the age of seahorses increase, the amount of Artemia nauplii consumed also increase. As for the average numbers of adult Artemia consumed by H. barbouri, increasing consumption trend was observed as the age increased. Results from the 60 days feeding experiment showed significantly higher (P<0.05) in height of H. barbouri juveniles when fed with Artemia only, Artemia enriched with pellet, and with Spirulina sp. as compared to Artemia enriched with fresh Chlorella sp. and Chlorella sp. powder. Survival of H. barbouri was significantly higher (P<0.05) when fed with Artemia enriched with fresh Chlorella sp., pellet and Chlorella sp. powder. As for the feeding experiment on H. kuda, no significant different (P>0.05) was observed for the height, weight and survival of juveniles when fed with Artemia enriched with pellet and with SELCO emulsion (A1 DHA SELCO). Based on the findings of this study, it can be concluded that the Artemia nauplii can be used as diet to support growth and survival of H. barbouri and H. kuda from newborn to juvenile stage. Simple feeding enrichment using pellet on Artemia may be more cost effective as compared to other enrichments.

Kasetsart University. Office of the University Library

Address: Bangkok

Email: tdckulib@ku.ac.th

Name: Suchai Worachananant

Role: Thesis Advisor

Name: Annie Christianus

Role: Thesis CO-Advisor

Name: Chaiyakorn Thitiyanaporn

Role: Thesis CO-Advisor

Created: 2020

Modified: 2025-07-04

Issued: 2025-07-04

วิทยานิพนธ์/Thesis

application/pdf

URL: https://www.lib.ku.ac.th/KUthesis/2563/len-yun-all.pdf

CallNumber: SF458.S43 .W86

eng

DegreeName: Master of Science

Level: Master's Degree

Descipline: Fishery Science and Technology

Grantor: Kasetsart University

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