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Developmental changes in Na+, K+-ATPase activity in Mozambique tilapia (Oreochromis Mossambicus) embryos and larvae in various salinities [electronic resource].

By:

Kosztowny, Anna L

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Description: p.447-457Uniform titles:

Proceedings the eighth international symposium on tilapia in aquaculture (ISTA VIII), 2008 v.1 [electronic resource].

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LOC classification:

ART PEISTA V1 35

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Full Text Article

In: Proceedings the Eighth International Symposium on Tilapia in Aquaculture (ISTA VIII)/edited by Hussein Elghobashy,Kevin Fitzsimmons,Ahmed S. Diab 2008.v.1Summary: The purpose of this study was to examine the developmental changes in Na+, K+-ATPase activity in Mozambique tilapia (Oreochromis mossambicus) embryos and larvae reared and/or acclimated to FW and SW. To quantify these changes we measured Na+, K+-ATPase activity throughout development comparing whole fish, the isolated larvae, and the yolk-sac membrane. The tilapia is an important aquaculture species. As such, determining the osmoregulatory differences between FW and SW tilapia during early development will provide information useful for improving rearing and production strategies.

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The purpose of this study was to examine the developmental changes in Na+, K+-ATPase activity in Mozambique tilapia (Oreochromis mossambicus) embryos and larvae reared and/or acclimated to FW and SW. To quantify these changes we measured Na+, K+-ATPase activity throughout development comparing whole fish, the isolated larvae, and the yolk-sac membrane. The tilapia is an important aquaculture species. As such, determining the osmoregulatory differences between FW and SW tilapia during early development will provide information useful for improving rearing and production strategies.

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