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Effects of ionic composition on growth and survival of white shrimp Litopenaeus vannamei culture at low-salinity well water

Increased larval survival of Seriola lalandi usingPseudoalteromonas sp. as probiotics

Authors

CORRESPONDING

Yanett Leyton

yanett.leyton@uantof.cl

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Laboratorio Mesocosmos Marino, Centro Bioinnovación de Antofagasta (CBIA), Facultad de Ciencias del Mar y Recursos Biológicos, Universidad de Antofagasta, Box 170, Antofagasta, Chile

Camila Sayes

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Laboratorio Mesocosmos Marino, Centro Bioinnovación de Antofagasta (CBIA), Facultad de Ciencias del Mar y Recursos Biológicos, Universidad de Antofagasta, Box 170, Antofagasta, Chile

Cristian Mejias

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Laboratorio Mesocosmos Marino, Centro Bioinnovación de Antofagasta (CBIA), Facultad de Ciencias del Mar y Recursos Biológicos, Universidad de Antofagasta, Box 170, Antofagasta, Chile

Marcelo Abarca

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Unidad de cultivo de peces, Facultad de Ciencias del Mar y Recursos Biológicos, Universidad de Antofagasta, Box 170, Antofagasta, Chile

Rodolfo Wilson

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Unidad de cultivo de peces, Facultad de Ciencias del Mar y Recursos Biológicos, Universidad de Antofagasta, Box 170, Antofagasta, Chile

Carlos Riquelme

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1

Laboratorio Mesocosmos Marino, Centro Bioinnovación de Antofagasta (CBIA), Facultad de Ciencias del Mar y Recursos Biológicos, Universidad de Antofagasta, Box 170, Antofagasta, Chile

Abstract

Global demand for food increases the interest in develop of aquaculture. Significant efforts are being made in Chile to develop Seriola lalandi culture, because of the high demand of this fish meat at national and international level. However, this species poses persisting difficulties regarding larval survival. The objective of the present study was to evaluate the effects of Pseudoalteromonas sp. bacteria as a probiotic supplement on the larval culturing of S. lalandi. For this, S. lalandi larvae were fed rotifers (Brachionus rotundiformis and Brachionus plicatilis) and Artemiasp. that were previously cultured using microalgae mixed with Pseudoalteromonas sp. Rotifers and Artemia were good probiotics vectors because S. lalandi larvae fed probiotic supplement showed higher survival that the control. These findings evidence that Pseudoalteromonas sp. are good probiotic candidates for use in S. lalandi larval cultures. However, is needed more research on major scale cultivation to validate their use commercially.

Key words

Pseudoalteromonas sp., probiotics, live food, Seriola lalandi, survival

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