The effect of viral infection on the relationship between the LOS cells and moulting stages of the black tiger prawn (Penaeus monodon)

Rusaini, , and Owens, Leigh (2019) The effect of viral infection on the relationship between the LOS cells and moulting stages of the black tiger prawn (Penaeus monodon). Aquaculture, Aquarium, Conservation and Legislation, 12 (4). pp. 1087-1101.

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Abstract

The formation of spheroid cells in the lymphoid organ of penaeid prawns has been suggested to be associated with infectious diseases either bacterial or viral. In this study, the abundance of lymphoid organ spheroid (LOS) cells, termed spheroid to total tissue (STT) ratio, in association with the moulting stages in Penaeus monodon that were experimentally infected with presumptive gill associated virus (GAV) was investigated. The experimental prawns were divided into 2 groups: A control group and a GAV infected group. The day post-injection was classified in three categories: (1) 1 5 dpi; (2) 6 10 dpi and (3) 11 onward dpi. The results showed that there were no significant effects of days post-injection, moult stages, lunar phase, and the size of the animals on the STT ratio (P>0.05). The relationship between the LOS cells and lunar phase was being masked by the significant interaction between lunar cycle and the treatments (P<0.05). In the control group, the ratio of STT was lowest at the new moon and highest at the full moon. On the other hand, in the infected (GAV) group, the ratio of STT was lowest at first quarter moon and highest at last quarter moon. The STT ratio was significantly higher in infected group than in the control group (P<0.05). In this study, sex also had a significant effect on the spheroid to total tissue ratio of P. monodon (P<0.05).

Item ID: 61939
Item Type: Article (Research - C1)
ISSN: 1844-9166
Keywords: Gill associated virus, Lunar phase, Lymphoid organ, Penaeid prawns, Spheroid cells
Copyright Information: © 2019, BIOFLUX SRL. All rights reserved. This is an open-access article distributed under the terms of the Creative Commons Attribution License, whichpermits unrestricted use, distribution and reproduction in any medium, provided the original author and sourceare credited.
Date Deposited: 26 May 2020 02:07
FoR Codes: 06 BIOLOGICAL SCIENCES > 0605 Microbiology > 060506 Virology @ 50%
07 AGRICULTURAL AND VETERINARY SCIENCES > 0704 Fisheries Sciences > 070401 Aquaculture @ 50%
SEO Codes: 83 ANIMAL PRODUCTION AND ANIMAL PRIMARY PRODUCTS > 8301 Fisheries - Aquaculture > 830105 Aquaculture Prawns @ 100%
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