Culturing L333 fry with Artemia

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Culturing L333 fry with Artemia

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Reis, RGA, Alves, PCJ, Abe, HA, da Costa Sousa, N, Paixão, PEG, Palheto, GDA, Correia de Melo, NFA, Fujimoto, RY, Luz, RK, & R Takata. (2020). Feed management and stocking density for larviculture of the Amazon ornamental fish L333 king tiger pleco Hypancistrus sp. (Siluriformes: Loricariidae). Aquaculture Research, 2020, 00: 1–9. DOI:10.1111/are.15047.

https://doi.org/10.1111/are.15047
https://onlinelibrary.wiley.com/doi/abs ... /are.15047
Abstract
The study tested the use of Artemia salina nauplii as first exogenous feeding in the larviculture of sp. Moreover, we aimed to assess the quantity of prey concentrations and the stocking density during the first 30 days of feeding. Experiment I: larvae were fed with four initial prey concentrations, T100: 100, T200: 200, T300: 300 and T400: 400 A. salina nauplii/larvae/day. The quantity of A. salina nauplii increased every six days to adequate the larval growth. Experiment II: larvae were kept at four stocking densities, 1, 5, 10 and 15 larvae/L. In both experiments, the A. salina nauplii were consumed with success for the larvae. Best larvae growth and survival were observed with T400 in comparison to T100. In the Experiment II, the stocking density of 15 larvae/L showed higher ammonia (1.23 mg/L) and reduction of larvae growth and dissolved oxygen concentration (5.7 mg/L). The densities of 1 and 5 larvae/L provided the best results for growth. The stocking densities showed no differences for survival. Thus, we recommend the use of A. salina nauplii in the first feeding for larvae of Hypancistrus sp., at the initial prey concentration of 400 nauplii/larvae/day and stocking density of 5 larvae/L.
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