Diet trials on tehuelche scallop Aequipecten tehuelchus (d'Orb) larvae |
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| Authors: | Maite A Narvarte Marcela S Pascual |
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| Institution: | 1. Instituto de Biología Marina y Pesquera ``Almirante Storni', Güemes 1030. C.C. 104 (8520) San Antonio Oeste, Río Negro, Argentina
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| Abstract: | Laboratory spawned one week old veliger larvaeof the tehuelche scallop, Aequipectentehuelchus (D'Orb., 1846), were reared topedivelger stage under three different dietaryregimes in order to determine the best algalcombination under standard hatchery conditions.Veligers were cultured at mean densities of 2.7larvae/ml. Larval growth and survival wereassessed on larvae fed the following dietarytreatments: (1) Isochrysis galbana(T-Iso)+ Chaetoceros calcitrans, (2)Pavlova lutheri + C calcitrans, and (3)P. lutheri + I. galbana T-Iso +Ch. calcitrans. The highest growth rateswere detected on larvae fed diets includingP. lutheri. |
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