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Campo DCValorIdioma
dc.creatorVeras, Galileu Crovatto-
dc.creatorBrabo, Marcos Ferreira-
dc.creatorDias, Joel Artur-
dc.creatorAbe, Higo Andrade-
dc.creatorNunes, Zélia Maria Pimentel-
dc.creatorMurgas, Luis David Solis-
dc.date.accessioned2020-03-06T16:45:21Z-
dc.date.accessioned2023-06-27T19:57:13Z-
dc.date.available2020-03-06T16:45:21Z-
dc.date.available2023-06-27T19:57:13Z-
dc.date.issued2016-03-
dc.identifier.citationVERAS, G. C. et al. The effect of photoperiod and feeding frequency on larval of the Amazonian ornamental fish Pyrrhulina brevis (Steindachner, 1876). Aquaculture Research, [S. I.], v. 47, n. 3, p. 797-803, Mar. 2016.pt_BR
dc.identifier.urihttps://onlinelibrary.wiley.com/doi/full/10.1111/are.12538pt_BR
dc.identifier.urihttp://repositorio.ufla.br/jspui/handle/1/57829-
dc.description.abstractThis study aimed to evaluate the performance of Pyrrhulina larvae, Pyrrhulina brevis, under different photoperiods and feeding frequencies. A completely randomized design was used, with four replicates in a 5 × 2 factorial, with five photoperiods (6L:18D, 12L:12D, 16L:8D, 20L:4D, 24L:0D) and two feeding frequencies (two or four times a day). Four hundred larvae with an initial length of 4.6 ± 0.09 mm were randomly distributed in 40, 1‐L containers at a density of 10 larvae/L. Feeding was performed with Artemia nauplii in the ratio of 150 Artemia nauplii/larva/feeding. After 15 days, all larvae were euthanized for measurements of length (mm), final weight (mg), survival rate (%) and larvae uniformity in weight an length (%). The data were subjected to analysis of variance and subsequently, in case of significance, a Tukey test was performed to compare means. There was no interaction between photoperiod and feeding frequency on studied variables (P > 0.05). Likewise, there was no influence of feed rate on the same variables (P > 0.05). There was only influence of photoperiod, where the larvae subjected to longest photoperiods (24L:0D and 20L:4D) showed improved weight and length (P < 0.05). Therefore, a photoperiod of 20L:4E, with feeding twice a day is recommended.pt_BR
dc.languageenpt_BR
dc.publisherWiley Online Library - John Wiley & Sonspt_BR
dc.rightsrestrictAccesspt_BR
dc.sourceAquaculture Researchpt_BR
dc.subjectArtemiapt_BR
dc.subjectCycle of light/darkpt_BR
dc.subjectFeeding managementpt_BR
dc.subjectFish larvaept_BR
dc.subjectOrnamental fishpt_BR
dc.subjectPeixes ornamentaispt_BR
dc.subjectFotoperíodopt_BR
dc.subjectLarvas de peixept_BR
dc.subjectPeixes - Alimentaçãopt_BR
dc.titleThe effect of photoperiod and feeding frequency on larval of the Amazonian ornamental fish Pyrrhulina brevis (Steindachner, 1876)pt_BR
dc.typeArtigopt_BR
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