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Immune response of Litopenaeus vannamei juveniles immersed in Gracilariopsis heteroclada hot-water extract

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www.publiscience.org
Date
2019
Author
Yap, Dominic S.
Bungay, Keisha Carmela C.
Alfonso, Jem Patrice B.
Libo-on, Julnafe B.
Cordero, Christian
Page views
2,171
Subject
immunity ASFA
shrimp culture ASFA
animal diseases ASFA
polysaccharides ASFA
seaweeds ASFA
immunostimulants AGROVOC
haemocytes AGROVOC
Phenoloxidase
Respiratory burst
Taxonomic term
Gracilariopsis heteroclada GBIF
Penaeus vannamei GBIF
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Abstract
The emergence of diseases such as Acute Hepatopancreatic Necrosis Disease and White Spot Syndrome has compelled researchers in shrimp aquaculture to develop more innovative methods in improving shrimp health management for the prevention of diseases. One of these methods involves the use of immunostimulants, which enhance the innate immunity of shrimp. Polysaccharides extracted from red seaweeds such as Gracilariopsis heteroclada, locally known as “Gulaman”, present a great source of immunostimulants. Thus, this study aimed to evaluate Gracilariopsis heteroclada as an immunostimulant for Litopenaeus vannamei, or Pacific white shrimp. Hot-water extracts of Gracilariopsis heteroclada were administered through immersion. Results showed no significant changes in total haemocyte count, ambiguous fluctuations in phenoloxidase activity, and a late temporary increase in respiratory burst activity. Overall, these indicate a lack of significant immunostimulation in Litopenaeus vannamei juveniles when immersed in Gracilariopsis heteroclada hot-water extract.
URI
http://hdl.handle.net/10862/6000
Suggested Citation
Yap, D. S., Bungay, K. C. C., Alfonso, J. P. B., Libo-on, J. B., & Cordero, C. (2019). Immune response of Litopenaeus vannamei juveniles immersed in Gracilariopsis heteroclada hot-water extract. Publiscience, 2(1), 29-34. http://hdl.handle.net/10862/6000
Type
Article
ISSN
2619-7359
Collections
  • Journal Articles [1155]


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