Estratégias alimentares na larvicultura do peixe ornamental amazônico acará-severo (Heros severus) (Heckel, 1840)

Campelo, Daniel Abreu Vasconcelos; Silva, Isamaira Costa e; Marques, Matheus Henrique Correa; Eiras, Bruno JoséCorechaFernandes; Brabo, Marcos Ferreira; Moura, Lorena Batista de; Veras, Galileu Crovatto

doi:10.1590/1678-4162-10705

Cited by 6 publications

(6 citation statements)

References 19 publications

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“…Outro pronto crítico relacionado ao manejo alimentar durante a larvicultura dos peixes ornamentais é o período de transição entre o fornecimento de alimento vivo e alimento inerte. Este período pode variar de acordo com a espécie ornamental, sendo recomendada a transição após 10 dias para o acará-servero (Campelo et al, 2019) e após 20 dias para o acará-bandeira (Pereira el al., 2016). Como isso, recomenda-se que estudos sejam realizados com o intuito de definir a estratégia alimentar mais eficaz para transição do alimento vivo, avaliado no presente trabalho, para ração inerte durante a larvicultura do Betta splendens.…”

Section: Resultsunclassified

Microverme da aveia como estratégia alimentar na larvicultura do Betta splendens

Gomes

Amâncio

Cavalcanti

et al. 2022

RSD

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A larvicultura é um período crítico na produção de peixes ornamentais, devido às necessidades produtivas e nutricionais das larvas nos primeiros dias de vida. O fornecimento de alimento vivo é essencial para a sobrevivência das larvas, sendo a Artemia sp. o alimento mais utilizando, apensar de representar custo elevado. Tornando necessária a busca por alimentos vivos de menor custo como o nematóide microverme da aveia. O presente trabalho foi desenvolvido com o objetivo de avaliar, por meio de índices de crescimento, desenvolvimento e sobrevivência, o fornecimento do microverme de forma exclusiva ou associado a artêmia e plâncton para larvas Betta splendens. As larvas alimentadas com microverme e artêmia apresentaram maior peso final, comprimento final, ganho em comprimento, maior taxa de desenvolvimento específico e sobrevivência. A taxa de uniformidade do lote no tratamento que recebeu apenas microverme não diferiu dos demais tratamentos, no entanto, as larvas submetidas ao regime alimentar com microverme e artêmia apresentaram melhor taxa de uniformidade quando comparas as que foram alimentadas com microverme e plâncton. A estratégia alimentar visando fornecer microverme e artêmia de forma conjunta promoveu os melhores índices de crescimento, desenvolvimento e sobrevivência na larvicultura inicial do peixe ornamental Betta splendens.

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Section: Resultsunclassified

Microverme da aveia como estratégia alimentar na larvicultura do Betta splendens

Gomes

Amâncio

Cavalcanti

et al. 2022

RSD

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“…Fish species from Cichlidae family, as the Heros severus, shows potential for ornamental fish farming (Abe et al, 2016;Campelo et al, 2019b). The H. severus is a freshwater fish endemic from the Amazon basin (Mora et al, 2007), highly appreciated in aquarium trade industry due to their peaceful behavior and its varieties of bright colors, from yellow to greenish tones in the body and intense red in the fins (Favero et al, 2010;Abe et al, 2016).…”

Section: Introductionmentioning

confidence: 99%

“…The H. severus is a freshwater fish endemic from the Amazon basin (Mora et al, 2007), highly appreciated in aquarium trade industry due to their peaceful behavior and its varieties of bright colors, from yellow to greenish tones in the body and intense red in the fins (Favero et al, 2010;Abe et al, 2016). Furthermore, the species has good adaptation to cultivation conditions, easily accepts the diets supplied and it is relatively easy to reproduce (Campelo et al, 2019b;Oliveira et al, 2020). However, despite all the attractive characteristics of this species, studies are still needed to optimize culture management, especially on their first life stages, aiming to define new production strategies (Abe et al, 2016;Campelo et al, 2019b).…”

Section: Introductionmentioning

confidence: 99%

“…Furthermore, the species has good adaptation to cultivation conditions, easily accepts the diets supplied and it is relatively easy to reproduce (Campelo et al, 2019b;Oliveira et al, 2020). However, despite all the attractive characteristics of this species, studies are still needed to optimize culture management, especially on their first life stages, aiming to define new production strategies (Abe et al, 2016;Campelo et al, 2019b).…”

Section: Introductionmentioning

confidence: 99%

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Salinized water as a strategy for increase stocking density in Heros severus larviculture, an Amazonian ornamental fish

Oliveira¹,

Silveira²,

Nascimento³

et al. 2023

Bol. Inst. Pesca

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The aim of this study was to evaluate the effect of different salinized water (0, 3 and 6 g L-1) and stocking densities (10, 15 and 20 larvae L-1) in Heros severus larviculture. The experimental design was completely randomized, in a 3x3 factorial design, with three replicates. For this, a total of 405 larvae of H. severus were randomly distributed in 27 aquariums (1L) according to the treatments and after 15 days all the larvae were measured, weighed and counted. Higher values for final length, length gain and specific growth rate were observed in H. severus larvae raised at any stocking density tested at 3 g L-1 of salinized water (p < 0.05). The final weight and weight gain followed the same trend of the length, being higher in fish submitted to 3 g L-1 of salinized water (p < 0.05). On the other hand, the salinized water of 6 g L-1 was detrimental to larvae weight uniformity and survival rate (p < 0.05). The fish stocked at densities of 15 or 20 larvae L-1 presented the best results of final weight and weight gain (p < 0.05). The stocking density of 20 larvae L-1 in salinized water at 3 g L-1 is recommended for H. severus larviculture.

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“…In this context, post-larvae feeding is one of the critical factors during larviculture [13]. Once the live food supply during the post-larvae production occurs only in the first ten days after opening the mouth [14], it is necessary to administer the inert diet, properly balanced to meet the nutritional requirements of the fish [15][16][17]. The inert diet can be supplemented with feed additives objecting to the least nutritional stress possible during the first dry feed of fish.…”

Section: Introductionmentioning

confidence: 99%

Dietary Euterpe oleracea Essential Oil, the Amazon Açaí, as Feed Additive to Amazonian Ornamental Fish, during Post-Larvae Growing Stage: A Preliminary Study

Moura

Cavalcante

Nascimento

et al. 2022

Fishes

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The present study aimed to evaluate the growth performance, batch uniformity, and survival rate of the Amazonian ornamental fish Heros severus and Pterophyllum scalare during the post-larvae growing stage, fed with diets containing levels of Euterpe oleraceae essential oil (EOO) during 30 days. In the first experiment, 160 H. severus post-larvae were distributed in 16 aquariums (1 L), and in the second, 200 P. scalare post-larvae were randomly distributed in 20 aquariums (1 L). The experiments were carried out in a completely randomized design, with four treatments for H. severus (0.0%, 0.50%, 1.00%, and 2.00% of dietary EOO) and five treatments for P. scalare (0.0%, 0.5%, 1.0%, 2.0%, and 4.0% of dietary EOO), both with four replications and dietary EOO being included in replacing soybean oil. A quadratic effect (p < 0.01) was observed for the final length, length gain, specific growth rate for length, final weight, weight gain, specific growth rate for weight, and batch uniformity for weight for both fish species. As for ornamental fish larviculture, survival rate and batch uniformity are the most important parameters to be considered. For P. scalare and H. severus post-larvae, the inclusion of dietary EOO was beneficial in up to 2.48% and 0.88%, respectively.

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Estratégias alimentares na larvicultura do peixe ornamental amazônico acará-severo (Heros severus) (Heckel, 1840)

Cited by 6 publications

References 19 publications

Microverme da aveia como estratégia alimentar na larvicultura do Betta splendens

Microverme da aveia como estratégia alimentar na larvicultura do Betta splendens

Salinized water as a strategy for increase stocking density in Heros severus larviculture, an Amazonian ornamental fish

Dietary Euterpe oleracea Essential Oil, the Amazon Açaí, as Feed Additive to Amazonian Ornamental Fish, during Post-Larvae Growing Stage: A Preliminary Study

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