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Oxygen consumption of Litopenaeus vannamei juveniles in heterotrophic medium with zero water exchange PAB
Vinatea,Luis; Gálvez,Alfredo Olivera; Venero,Jesús; Leffler,John; Browdy,Craig.
This work aimed at determining the dissolved oxygen consumption rate of Litopenaeus vannamei juveniles maintained in a microbial biofloc raceway system at high density with no aeration. Three 4 L bottles were filled for each treatment, sealed hermetically, and placed in an enclosed greenhouse raceway system. Four shrimp (13.2±1.42 g) were assigned to two sets of the bottles, which underwent the following treatments: light conditions with no shrimp; dark conditions with no shrimp; light conditions with shrimp; and dark conditions with shrimp. Dissolved oxygen content was measured every 10 min for 30 min. A quadratic behavior was observed in dissolved oxygen concentration over time. Significant differences for oxigen consumption were observed only at 10 and...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Litopenaeus vannamei; High density; Microbial biofloc; Oxygen consumption; Raceway system.
Ano: 2009 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-204X2009000500014
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