Characteristics of Haemolymph’s Juvenile Tiger Prawn, Penaeus monodon (Fabricius) Reared in Ponds

Hadijah, St (2013) Characteristics of Haemolymph’s Juvenile Tiger Prawn, Penaeus monodon (Fabricius) Reared in Ponds. World Applied Sciences Journal. pp. 82-88. ISSN 1818-4952

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The mechanism of stress and diseases resistance to extreme environments of tiger prawn (Penaeus monodon, Fabricius) is very complex and little understood. Information about the characteristics of natural haemolymph can be a useful guide to assess the performance of physiological responses of juvenile tiger prawn to extreme weather and environmental stresses and changes. The objective of this paper is therefore to examine and characterize the juvenile tiger prawns natural haemolymph. The study was conducted through three field observation times within a 10 days interval period when the juvenile tiger prawns were about two months old. Sampling of juvenile tiger prawns each weighing 5-16 g were carried from four to six random location points at each corner of the pond where two points were taken from the middle of the pond. Growth parameters of the juvenile tiger prawn haemolymph such as the number of hemocytes, total protein, glucose, plasma protein osmotic and the percentage types of different hemocyte cells were monitored. Using a correlation analysis (á = 0.01), it was observed that the increased weight of juvenile tiger prawn was positively correlated to the increased number of hemocytes, total protein and haemolymph plasma osmolality. However, it was not correlated with increased haemolymph glucose. Based on the percentage types of hemocytes, the small juvenile tiger prawns had a high body resistance towards diseases and environmental stress but a low percentage of the alleged hyaline cell antibody function which were in contrast to the large size juvenile tiger prawns. This study implies that bigger size tiger prawns need a careful treatment when reared in a pond. More studies need to be done in the future to obtain more information on the response of different sizes of tiger prawns to physiological stresses as a results of extreme environmental conditions. Key words: Characteristics Haemolymph Hemocyte Glucose Plasma osmolality Juvenile tiger prawn

Item Type: Article
Subjects: S Agriculture > SH Aquaculture. Fisheries. Angling
Depositing User: Unnamed user with email
Date Deposited: 07 Jul 2023 06:44
Last Modified: 07 Jul 2023 06:44

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