Effects of a dry pelleted diet on growth and survival of the Yucatán octopus, Octopus maya.

The effect of a dry pelleted diet on growth of the Yucatan octopus (Octopus maya) was determined and compared with crab diet (Callinectes spp). Two groups of 15 wild collected animals were used. Octopuses were placed in isolation, in a flow-through system composed of 30 circular tanks (80 L), with a...

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Autores: Rodrigues-dos-Santos-Domingues, Pedro Miguel, López-González, Nieves, Muñoz, J., Maldonado, T., Gaxiola, G., Rosas, Carlos
Tipo de recurso: artículo
Fecha de publicación:2007
País:España
Institución:Consejo Superior de Investigaciones Científicas (CSIC)
Repositorio:DIGITAL.CSIC. Repositorio Institucional del CSIC
OAI Identifier:oai:dnet:digitalcsic_::022b8a495bd9230c9a8d6cc02eaa56c2
Acceso en línea:http://hdl.handle.net/10261/315361
Access Level:acceso abierto
Palabra clave:Acuicultura
Centro Oceanográfico de Vigo
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spelling Effects of a dry pelleted diet on growth and survival of the Yucatán octopus, Octopus maya.Rodrigues-dos-Santos-Domingues, Pedro MiguelLópez-González, NievesMuñoz, J.Maldonado, T.Gaxiola, G.Rosas, CarlosAcuiculturaCentro Oceanográfico de VigoThe effect of a dry pelleted diet on growth of the Yucatan octopus (Octopus maya) was determined and compared with crab diet (Callinectes spp). Two groups of 15 wild collected animals were used. Octopuses were placed in isolation, in a flow-through system composed of 30 circular tanks (80 L), with a bottom of 40 cm in diameter and a water depth of 80 cm. Experiment lasted 40 days, and octopuses were weighed every 10 days to determine growth rates. Octopuses were fed between 7% and 10% body weight (BW) per day, twice a day at 9:00 h and 17:00 h. Uneaten food was removed after 4 h in the tanks and weighed, to determine food ingestion and conversion. No mortality as a result of natural causes was observed. The 15 octopuses fed on frozen crabs and the 15 fed on the artificial diet had similar weights (P > 0.05) at the start of the experiment, of 486.2 ± 214.8 and 472.5 ± 228.3 g, respectively. At the end of the experiment, octopuses fed on frozen crabs weighed 1466.5 ± 484.0 g, and were significantly larger (P < 0.05), than octopuses fed on artificial diets (438.9 ± 202.6 g). Growth rates for the experiment were of 3.3 ± 0.2 and –0.0 ± 0.3% BW per day, for octopuses fed frozen crabs and the artificial diet, respectively. The artificial diet did not promote growth, but animals did not loose weight and more important, ate regularly all the food supplied, with feeding rates higher than reported in the literature for prepared diets. This makes O. maya a good research animal for the development of artificial diets for cephalopods.Sí202320232007info:eu-repo/semantics/articlehttp://purl.org/coar/resource_type/c_6501http://hdl.handle.net/10261/315361reponame:DIGITAL.CSIC. Repositorio Institucional del CSICinstname:Consejo Superior de Investigaciones Científicas (CSIC)InglésCentro Oceanográfico de Vigoinfo:eu-repo/semantics/openAccessoai:dnet:digitalcsic_::022b8a495bd9230c9a8d6cc02eaa56c22026-05-22T06:33:51Z
dc.title.none.fl_str_mv Effects of a dry pelleted diet on growth and survival of the Yucatán octopus, Octopus maya.
title Effects of a dry pelleted diet on growth and survival of the Yucatán octopus, Octopus maya.
spellingShingle Effects of a dry pelleted diet on growth and survival of the Yucatán octopus, Octopus maya.
Rodrigues-dos-Santos-Domingues, Pedro Miguel
Acuicultura
Centro Oceanográfico de Vigo
title_short Effects of a dry pelleted diet on growth and survival of the Yucatán octopus, Octopus maya.
title_full Effects of a dry pelleted diet on growth and survival of the Yucatán octopus, Octopus maya.
title_fullStr Effects of a dry pelleted diet on growth and survival of the Yucatán octopus, Octopus maya.
title_full_unstemmed Effects of a dry pelleted diet on growth and survival of the Yucatán octopus, Octopus maya.
title_sort Effects of a dry pelleted diet on growth and survival of the Yucatán octopus, Octopus maya.
dc.creator.none.fl_str_mv Rodrigues-dos-Santos-Domingues, Pedro Miguel
López-González, Nieves
Muñoz, J.
Maldonado, T.
Gaxiola, G.
Rosas, Carlos
author Rodrigues-dos-Santos-Domingues, Pedro Miguel
author_facet Rodrigues-dos-Santos-Domingues, Pedro Miguel
López-González, Nieves
Muñoz, J.
Maldonado, T.
Gaxiola, G.
Rosas, Carlos
author_role author
author2 López-González, Nieves
Muñoz, J.
Maldonado, T.
Gaxiola, G.
Rosas, Carlos
author2_role author
author
author
author
author
dc.subject.none.fl_str_mv Acuicultura
Centro Oceanográfico de Vigo
topic Acuicultura
Centro Oceanográfico de Vigo
description The effect of a dry pelleted diet on growth of the Yucatan octopus (Octopus maya) was determined and compared with crab diet (Callinectes spp). Two groups of 15 wild collected animals were used. Octopuses were placed in isolation, in a flow-through system composed of 30 circular tanks (80 L), with a bottom of 40 cm in diameter and a water depth of 80 cm. Experiment lasted 40 days, and octopuses were weighed every 10 days to determine growth rates. Octopuses were fed between 7% and 10% body weight (BW) per day, twice a day at 9:00 h and 17:00 h. Uneaten food was removed after 4 h in the tanks and weighed, to determine food ingestion and conversion. No mortality as a result of natural causes was observed. The 15 octopuses fed on frozen crabs and the 15 fed on the artificial diet had similar weights (P > 0.05) at the start of the experiment, of 486.2 ± 214.8 and 472.5 ± 228.3 g, respectively. At the end of the experiment, octopuses fed on frozen crabs weighed 1466.5 ± 484.0 g, and were significantly larger (P < 0.05), than octopuses fed on artificial diets (438.9 ± 202.6 g). Growth rates for the experiment were of 3.3 ± 0.2 and –0.0 ± 0.3% BW per day, for octopuses fed frozen crabs and the artificial diet, respectively. The artificial diet did not promote growth, but animals did not loose weight and more important, ate regularly all the food supplied, with feeding rates higher than reported in the literature for prepared diets. This makes O. maya a good research animal for the development of artificial diets for cephalopods.
publishDate 2007
dc.date.none.fl_str_mv 2007
2023
2023
dc.type.none.fl_str_mv info:eu-repo/semantics/article
http://purl.org/coar/resource_type/c_6501
format article
dc.identifier.none.fl_str_mv http://hdl.handle.net/10261/315361
url http://hdl.handle.net/10261/315361
dc.language.none.fl_str_mv Inglés
language_invalid_str_mv Inglés
dc.relation.none.fl_str_mv Centro Oceanográfico de Vigo
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.source.none.fl_str_mv reponame:DIGITAL.CSIC. Repositorio Institucional del CSIC
instname:Consejo Superior de Investigaciones Científicas (CSIC)
instname_str Consejo Superior de Investigaciones Científicas (CSIC)
reponame_str DIGITAL.CSIC. Repositorio Institucional del CSIC
collection DIGITAL.CSIC. Repositorio Institucional del CSIC
repository.name.fl_str_mv
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