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Spionid polychaetes infesting cultured abalone Haliotis midae in South Africa
Simon, C.A.; Ludford, A.; Wynne, S. (2006). Spionid polychaetes infesting cultured abalone Haliotis midae in South Africa. Afr. J. Mar. Sci. 28(1): 167-171
In: African Journal of Marine Science. NISC: Grahamstown. ISSN 1814-232X , more
Peer reviewed article

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Keyword
    Marine

Authors  Top 
  • Simon, C.A.
  • Ludford, A.
  • Wynne, S.

Abstract
    A study was conducted to identify and quantify the spionid polychaetes that infest cultured abalone Haliotis midae at aquaculture facilities on the west (Farm A), south (Farms B and C) and east (Farm D) coasts of South Africa. The relationship between total intensity of infestation by the polydorids and the condition of their hosts at Farms A, B and D were also measured. The abalone were infested by Dipolydora capensis, Polydora hoplura and a Boccardia sp. However, the intensity of infestation differed among sites, suggesting that both geographical and farm-specific conditions may influence species composition. Total intensity of infestation has a negative impact on the condition of abalone at the three farms tested, but at Farms A and B, this effect was reduced in larger abalone.

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