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Effect of Nannochloropsis salina on the survival and growth of phyllosoma of the tropical spiny lobster, Panulirus homarus L. under laboratory conditions

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Title Effect of Nannochloropsis salina on the survival and growth of phyllosoma of the tropical spiny lobster, Panulirus homarus L. under laboratory conditions
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Creator Chakraborty,Rekha D
Thangaraja,R
Radhakrishnan,E V
Unnikrishnan,C
 
Subject Spiny lobster
Panulirus homarus
phyllosoma
Artemia
Nannochloropsis salina
 
Description Not Available
The first successful advanced (stage VIII) larval development of the tropical spiny lobster,
Panulirus homarus L. under laboratory culture has been achieved in a short span of 42 days.
The culture treatments were maintained in two different systems, one with microalgae,
Nannochloropsis salina (30-40 million cells/mL) and the other without microalgae.
Phyllosoma attained stage VIII (5.25 mm) and stage V (3.36 mm) with an intermoult period
of 4-6 and 5-9 days in the two systems respectively. The larvae moulted nine and six times
in the microalgal and non-algal systems, respectively. Phyllosoma were fed with freshly
hatched live Artemia salina nauplii (0.32 mm) for an initial period of 10 days, followed
by juvenile Artemia (1.45 –1.54 mm) enriched with microalgae for the subsequent 15 days.
Artemia enriched with commercial polyunsaturated fatty acid concentrate (DHA-Selco) was
fed to the larvae for the rest of the culture period. Salinity and temperature were maintained
at 33 ± 2 ppt and 28 ± 2 0C, respectively, while the pH recorded an optimum of 7.9 ± 0.5.
The microalgal larval rearing system had lower bacterial load (total heterotrophic marine
count, 1.0 X 103 CFU m L-1 and total Vibrio sp. count, 20 CFU/mL) compared to the nonmicroalgal
system.
Not Available
 
Date 2021-09-15T09:26:02Z
2021-09-15T09:26:02Z
2009
 
Type Article
 
Identifier Not Available
Not Available
http://krishi.icar.gov.in/jspui/handle/123456789/62414
 
Language English
 
Relation Not Available
 
Publisher MBAI