Factors affecting reproductive performance of the prawn, Penaeus monodon
Marsden, Gay Elizabeth (2008) Factors affecting reproductive performance of the prawn, Penaeus monodon. PhD by Publication, Queensland University of Technology.
The growth of the Penaeus monodon prawn aquaculture industry in Australia is hampered by a reliance on wild-caught broodstock. This species has proven difficult to breed from if broodstock are reared in captivity. Studies were therefore carried out to investigate factors controlling reproduction and influencing egg quality.
Results of the studies revealed that patterns of nutrient accumulation during early ovary development are altered by captive conditions, possibly contributing to reduce larval quality. The sinus gland hormones were shown, together with the environment, to regulate two stages of ovary development. In a separate study it was further revealed that the hormone methyl farnesoate (MF) could negatively regulate the final stages of ovary development. Lastly it was shown that broodstock reared in captivity are less likely to mate and that this is due to inherent problems in both the male and the female prawns.
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|Item Type:||QUT Thesis (PhD by Publication)|
|Supervisor:||Richardson, Neil, Mather, Peter, & Knibb, Wayne|
|Keywords:||Penaeus monodon, prawn reproduction, ovary, eggs, hepatopancreas, mating, methyl farnesoate, ablation, captivity, sinus gland hormones, fatty acids, lipid, protein|
|Divisions:||Past > Schools > Biogeoscience
Past > QUT Faculties & Divisions > Faculty of Science and Technology
|Institution:||Queensland University of Technology|
|Deposited On:||21 Jan 2010 05:52|
|Last Modified:||28 Oct 2011 19:54|
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