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Efecto de la dieta en el crecimiento y supervivencia de crías de caballitos de mar Hippocampus reidi en condiciones de laboratorio.

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Author
Sánchez-Cardozo, Lina María
Ospina Salazar, Gloria H.
Santos Acevedo, Marisol
López-Navarro, Johann
Gómez León, Javier
Date
2014

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Alternative Title
Effect of food enrichment on growth and survival of seahorse fry Hippocampus reidi under laboratory conditiones
Abstract
Actualmente las poblaciones silvestres de caballitos de mar del género Hippocampus se están reduciendo debido a la demanda existente en el mercado por su uso en la medicina tradicional china, su consumo en países orientales y su atractivo como especies ornamentales, estando categorizadas todasla especies del género como amenazadas. El cultivo bajo cnodiciones controladas surge como una opción para la conservación y uso sostenible del recurso, sin embargo, se hace necesario desarrollar técnicas adecuadas, especialmente en la etapa de levante de crías. En el presente estudio se evaluó el efecto del alimento vivo en el crecimiento y supervivencia de crías de Hippocampus reidi. Los primeros 11 días se alimentaron con nauplios de Artemia y rotíferos enriquecidos; del día 11 al 46 únicamente con metanauplios de Artemia enriquecidos con cuatro productos comerciales: Protein Selco Plus® (PSP), alimento para peces marinoas Azoo 9 en 1® (AZ), Emulsión de Scott® (ES) y microalgas Isochrysis galbana (IG). El mayor crecimiento en términos de peso y talla se presentó en los caballitos alimentados con Artemia enriquecida con PSP (160.13 mg y 4.44 cm respectivamente), el cual fue significativamente mayor que el resto de los tratamientos, los cuales se mantuvieron en un intervalo de 81.86-97.80 mg en peso y 3.62-3.72 cm en talla (F3.12 = 9.63, p = 0.0049 en peso y F3.12 = 5.12, p = 0.0288 en talla). No se observaron diferencias significativas en la supervivencia, sin embargo el mayor porcentaje se presentó en la dieta PSP (74.42%) y el menor con ES (51.60%) (F3.12 = 1.08, p = 0.4095).
Seahorses natural populations are declining, due to their demand in traditional Chinese medicine, its consumption in oriental countries and their attractive as ornamental species; then, all the Hippocampus species of the genus are considered threatened fishes. Culture under controlled conditions is an option for their conservation and sustainable use; however, it is necessary to find the appropriate techniques to culture them, especially to raise the fry. In this study the effect of live food on growth and survival of Hippocampus reidi fry was evaluated. During the first 11 days they were fed with Artemia nauplii and rotifers enriched, since the day 11 to 46 only with enriched Artemia metanauplii with four commercial products: Protein Selco Plus ® (PSP), marine fish food Azoo 9 in 1 ® (AZ), Scott Emulsion ® (SE) and Isochrysis galbana microalgae (IG). The largest growth in terms of weight and height was observed in seahorses fed with enriched Artemia with PSP (160.13 mg and 4.44 cm respectively), which was significantly higher than the other treatments, which were kept in a range of 81.86-97.80 mg in weight and 3.62-3.72 cm in size (F 3.12 = 9.63, p = 0.0049 by weight and F 3.12 = 5.12, p = 0.0288 in height). There were not significant differences in survival; however the highest percentage was in PSP diet (74.42%) and the lower in SE (51.60%) (F 3.12 = 1.08, p = 0.4095).
Journal
Boletín de Investigaciones Marinas y Costeras
Volume
43
Issue/Article Nr
1
Page Range
pp.7-22
URI
http://hdl.handle.net/1834/6746
Collections
SPINCAM Publications (Colombia)

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