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Consideraciones acerca de la producción masiva del rotífero Brachionus plicatilis O.F. Müller alimentado con levadura de panificación.

Authors: Reguera, B. (Beatriz); Mosquera-de-Arancibia, C. (Concha); Fernández-Pato, C. (Carlos);

Consideraciones acerca de la producción masiva del rotífero Brachionus plicatilis O.F. Müller alimentado con levadura de panificación.

Abstract

Este trabajo muestra un sistema de producción masiva del rotífero Brachionus plicatilis alimentado exclusivamente con levadura de panificación. Se ha utilizado una dosis diaria de 1 g peso húmedo de levadura por cada l.000.000 de rotíferos. Se comparan los resultados obtenidos con los de otros autores y se analizan los distintos factores físicos y biológicos que afectan a la producción. Si bien los cultivos con algas unicelulares como única fuente de alimento presentan tasas de crecimiento muy superiores, este sistema permite obtener-densidades muy elevadas, 786 rot/ml y rendimientos de hasta 64.972 rot/ml/día a un bajo costo de alimento y mano de obra. Los factores principales a considerar son el uso de un inóculo elevado (100-200 rot/ml) y recipientes de fondo plano, así como el control de contaminantes y proliferaciones bacterianas, para lo cual parece idóneo trabajar a temperaturas que no sobrepasen los 19-20 °C. This study shows a system for mass production of the rotifer Brachionus plicatilis fed only with bread yeast. A daily supply of 1 g wet weight of yeast per 1.000.000 rotifers has been used. The results are compared with those obtained by other authors and the different physical and biological factors which affect the production are analyzed. Although the cultures with unicellular algae as source of food show much higher values of the instantaneous growth rates (K), this system allows to attain very high densities, 786 rot/ml, and yields until 64.972 rot/l/day at low cost of food production and manpower. The main factors to consider are the use of a high initial inocule (100-200 rot/ml) and a flat bottom container, as well as a control of contaminants, ciliates and proliferation of bacteria, being the optimum temperature values for this not over 19-20 ºC.

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Spain
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Keywords

Centro Oceanográfico de Santander, Acuicultura, Rotifer, Brachionus plicatilis, Rotífero, Producción masiva, Mass production, Levadura, Yeast

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selected citations
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This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
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popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
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