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- W2020265005 abstract "Durante 40 dias se cultivaron juveniles de camaron blanco Litopenaeus vannamei con un peso individual de 3,5 ± 0,3 g y biomasas iniciales de 25, 50, 75 y 100 g m-3 (equivalente a 8-32 ind m-2), sin cambios de agua y adicion de alimento, para determinar la tasa de crecimiento usando como unica fuente de alimentacion el perifiton desarrollado en sustratos artificiales. Se utilizaron estanques cilindricos de polietileno de 1 m3 con tres replicas por tratamiento, con una superficie de 4,8 m2 (paredes y fondo) y 7,1 m2 de sustrato artificial (Aquamats™). No se encontraron diferencias significativas entre las concentraciones de amonio (0,17-0,19 mg L-1) y nitrito (0,10-0,11 mg L-1) determinadas en los cuatro tratamientos. La supervivencia fue similar, variando entre 91 y 97%. La ganancia en peso individual fue significativamente mayor en los tratamientos con menor biomasa inicial (25 y 50 g m-3), aunque por la mayor densidad inicial, el mejor rendimiento en biomasa se observo en los cultivos sembrados con 100 g m-3. Los contenidos de nitrogeno determinados al final del experimento, en el agua y sedimento, fueron inferiores a los valores iniciales, y entre el 36 y 60% de sus diferencias se recuperaron en biomasa de camaron." @default.
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- W2020265005 date "2012-07-10" @default.
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- W2020265005 title "Culture of white shrimp (Litopenaeus vannamei Boone, 1931) with zero water exchange and no food addition: an eco friendly approach" @default.
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- W2020265005 doi "https://doi.org/10.3856/vol40-issue2-fulltext-19" @default.
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