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The effect of algae diets ( Skeletonema costatum and Rhodomonas baltica ) on the biochemical composition and sensory characteristics of Pacific cupped oysters ( Crassostrea gigas ) during land-based refinement ArchiMer
Van Houcke, Jasper; Medina, Isabel; Maehre, Hanne K.; Cornet, Josiane; Cardinal, Mireille; Linssen, Jozef; Luten, Joop.
Oyster refinement, a common practice in France, is aimed at increasing the weight of oyster tissue and influencing the taste properties of the refined oysters. Refinement usually takes place in land-based systems where the oysters are fed with relatively high concentrations of microalgae. In this study the impact of feeding Skeletonema costatum and Rhodomonas baltica on the biochemical composition and sensory characteristics of Pacific cupped oysters (Crassostrea gigas) from the Eastern Scheldt during land-based refinement was studied. After a feeding period of four and seven weeks market-sized oysters were sampled for the analysis of fatty acids, free amino acids and volatile organic compounds and for a sensory evaluation by consumers and an expert panel....
Tipo: Text Palavras-chave: Crassostrea gigas; Skeletonema costatum; Rhodomonas baltica; Sensory properties; Free amino acids; Fatty acids.
Ano: 2017 URL: https://archimer.ifremer.fr/doc/00389/50011/50600.pdf
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Feeding adult of Artemia salina (Crustacea-Branchiopoda) on the dinoflagellate Gyrodinium corsicum (Gymnodiniales) and the Chryptophyta Rhodomonas baltica BABT
Costa,Rauquírio André Albuquerque Marinho da; Koening,Maria Luise; Pereira,Luci Cajueiro Carneiro.
Experiments were carried out on feeding performance and survival rates of adult Artemia salina exposed to no axenic strains of the dinoflagellate Gyrodinium corsicum and of the Chryptophyta Rhodomonas baltica. Filtration rates on R. baltica and G. corsicum varied from 3.35 to 7.14 ml.artemia-1.h-1 and from 2.97 to 15.86 ml.artemia-1.h-1, respectively. The ingestion rates observed for A. salina did not indicate any digestive dysfunction or physiological impairment for organisms fed on G. corsicum and their functional response were similar to those observed for other organisms like copepod fed on different food concentrations. Mortality rates oscillated from 2.5% to 100% when A. salina was fed on R. baltica or G. corsicum, respectively. Highest mortality...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Feeding; Artemia salina; Rhodomonas baltica; Gyrodinium corsicum.
Ano: 2005 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132005000500011
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