Developing coral trout, Plectropomus leopardus larviculture technology: application of floating skimmer

Autor:	Sudewi, I N A Giri, R Melianawati, N W W Astuti, D Kusumawati, A Nasukha, Y N Asih
Rok vydání:	2021
Předmět:	Leopardus Fishery biology Plectropomus Skimmer biology.organism_classification Coral trout
Zdroj:	IOP Conference Series: Earth and Environmental Science. 718:012030
ISSN:	1755-1315 1755-1307
Popis:	Coral trout Plectopomus leopardus seed production has not been established well compared to other popular groupers such as tiger and hybrid grouper. Thus, the research has been focusing on the protocol construction of larviculture to improve survival and productivity. This study aimed to evaluate the application of floating skimmer to encourage swim bladder inflation in order to increase survival. Coral trout eggs were stocked in 5,000 L concrete tanks. Rotifer fed started on Day 2 (D2) afternoon and copepods nauplii on D4. Oil was dropped on the rearing water surface from D1 to D5 for without application of floating skimmer (control) and to D3 for with the application. A floating skimmer was installed on the surface of rearing water from D3 afternoons to D10. The survival rate was determined on D50. The results showed that application floating skimmer had a significantly higher survival rate (6.18±1.4 %) than without application (5.28±1.64%) (p
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::44ad0403ff7317685cd5a6f3752c7c69 https://doi.org/10.1088/1755-1315/718/1/012030 Zobrazit plný text záznamu