Quality evaluation of brine shrimpArtemia cysts produced in Asian salt ponds |
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Authors: | Jan Vos Philippe Léger Paul Vanhaecke Patrick Sorgeloos |
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Affiliation: | (1) Laboratory for Biochemistry, University of Antwerp RUCA, Slachthuislaan 68, B-2000 Antwerp, Belgium;(2) Artemia Reference Center, Laboratory for Mariculture, State University of Ghent, J. Plateaustraat 22, B-9000 Ghent, Belgium |
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Abstract: | Artemia cysts produced in inoculated salt ponds in the Philippines, Thailand and India, were analyzed in comparison with the parental strains used for the inoculations. Cyst hatching efficiency, hatching rate and color changed significantly after inoculation, whereas the cyst's diameters, nauplius survival and nauplius growth remained fairly constant. The nutritional value of theArtemia nauplii was determined in a standard culture test withMysidopsis bahia juveniles as test animals. Production results were compared with the fatty acid profiles of theArtemia nauplii. Low levels of the essential fatty acid 20:5 3 in one of the produced cyst batches were probably caused by inadequate food conditions in the pond and resulted in poorer growth of theMysidopsis juveniles. Based on the results of this study a distinction is made between essential and nonessential strain selection-criteria forArtemia inoculations and transplantations. |
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Keywords: | Artemia inoculation salt ponds cyst quality |
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