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In vivo evaluation of microbial cocktail of microalgae-associated bacteria in larval rearing from zoea I to mysis I of the Indian white shrimp, Penaeus indicus

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Title In vivo evaluation of microbial cocktail of microalgae-associated bacteria in larval rearing from zoea I to mysis I of the Indian white shrimp, Penaeus indicus
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Creator S. V. Sandhya
K. P. Sandeep
Vijayan.K.K
 
Subject Isochrysis galbana
MicroAlgae
Associated Bacteria
Penaeus indicus .
Microbial cocktail
Larviculture
 
Description Not Available
The present work aimed to explore the efficacy of microbial cocktail of microalgae-associated bacteria, such as Alteromonas sp. Mab 25, Labrenzia sp. Mab 26, Marinobactersp. Mab 18 and Marinobactersp. Mab 34, on survival, growth and metamorphosis rate (zoea to mysis) of Indian white shrimp larvae, Penaeus indicus. The microbial cocktail was found to be having a stimulatory
effect on microalgal growth. Further, from zoea I to mysis I, P. indicus larvae were fed in triplicate: (1) non axenic Isochrysis galbana, (2) axenic I. galbana, (3) non-axenic I. galbana enriched with an added microbial cocktail and (4) axenic I. galbana enriched with an added microbial cocktail. All measurements (survival, growth and metamorphosis rate) were highest in nonaxenic I. galbana enriched with microbial cocktail and lowest in axenic I. galbana (p < 0.01). This study stands as first one of its kind involved in practical application of microalgae-associated bacteria to produce more efficient live feeds, which might greatly
enhance the productivity of larviculture in aquaculture. Our results signify that ‘microbial cocktail’ developed from the selected microalgae-associated bacteria would be effective in the healthy larval rearing of aquaculture species. Thus, the concept proved in the present work can be further developed as an application package in commercial shrimp hatcheries
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Date 2022-10-17T09:53:40Z
2022-10-17T09:53:40Z
2020-09-02
 
Type Journal
 
Identifier Not Available
Not Available
http://krishi.icar.gov.in/jspui/handle/123456789/74707
 
Language English
 
Relation Not Available;
 
Publisher Not Available