Essential fatty acid profiles of maturation feeds used in freshwater ornamental fish culture

An investigation of live or freshly prepared feeds used as 'maturation'diets for freshwater ornamental fish was conducted to uncover similaritiesor differences in total and essential fatty acids. Analysis of these 'maturation' feeds reveals that there are relatively low levels of...

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Bibliographic Details
Published in:Hydrobiologia 1997-12, Vol.358 (1-3), p.265-268
Main Authors: Tamaru, C.S. (School of Ocean Earth Science and Technology, Honolulu, HI (USA). Dept. of Land and Natural Resources), Ako, H, Paguirigan, R
Format: Article
Language:English
Subjects:
ALIMENTACION DE PECES
ALIMENTATION DES POISSONS
Animal aquaculture
Animal productions
Biological and medical sciences
Diet
Fatty acids
Fish
FISH CULTURE
FISH FEEDING
Freshwater
Freshwater fish
FRESHWATER FISHES
Fundamental and applied biological sciences. Psychology
MADURACION
MATURATION
Ornamental fish
ORNAMENTAL FISHES
PECES DE AGUA DULCE
PECES ORNAMENTALES
PISCICULTURA
PISCICULTURE
POISSON D'EAU DOUCE
POISSON ORNEMENTAL
Vertebrate aquaculture
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Summary:An investigation of live or freshly prepared feeds used as 'maturation'diets for freshwater ornamental fish was conducted to uncover similaritiesor differences in total and essential fatty acids. Analysis of these 'maturation' feeds reveals that there are relatively low levels of totalfatty acids (0.81-8.96 mg/100 mg^sup -1^ dry weight) and withthe exception of the beef heart diet all other feeds have undetectablelevels of docosahexaenoate (22:6n3). The beef heart diet was observed topossess 4.86 mg 100 mg^sup -1^ dry weight of 22:6n3 most probablydue to the addition of skipjack tuna, Katsuwanus pelamis, roe. All otherfeeds examined were found to contain low to moderate levels ofeicosapentaenoate (20:5n3) 0.00-0.61 mg/100 mg^sup -1^ dryweight. Surprisingly relatively high amounts of arachidonate (20:4n6)0.16-0.90 mg/100 mg^sup -1^ dry weight were observed in all ofthe maturation diets and ranged between 3.79%-27.16% ona percent composition basis. The results obtained to date indicate a need toscrutinize the role of arachidonate in the maturation and spawningprocess.[PUBLICATION ABSTRACT]
ISSN:0018-8158
1573-5117
DOI:10.1023/A:1003113826075