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Frequência de alimentação para juvenis de tambaqui

Authors: Souza, R.C.; Campeche, D.F.B.; Campos, R.M.L.; Figueiredo, R.A.C.R.; Melo, J.F.B.;

Frequência de alimentação para juvenis de tambaqui

Abstract

Objetivou-se nesta pesquisa avaliar qual frequência alimentar promove o melhor desempenho em juvenis de tambaqui. Foram testadas quatro frequências alimentares (duas, quatro, seis e oito vezes ao dia) em intervalos regulares. Foram estocados alevinos de tambaqui com peso médio inicial de 15,74±0,28g em 16 aquários de vidro transparentes com capacidade de 70L de volume útil, em um delineamento inteiramente ao acaso, com quatro tratamentos e quatro repetições. O período de alimentação foi de 30 dias, e utilizou-se uma ração comercial contendo 45% de proteína bruta para peixes onívoros, com taxa de arraçoamento de 6% da biomassa total dos peixes de cada aquário. Os resultados médios de pH, temperatura (°C) e condutividade elétrica (mS/cm) para manhã e tarde foram, respectivamente: 6,91; 6,96; 25,85; 27,69; 0,65; e 0,65. Foram avaliados os índices de desempenho: ganho de peso, conversão alimentar aparente, taxa de crescimento específico, sobrevivência, e também foi analisada a glicose sanguínea. Não foram detectadas diferenças significativas para as variáveis estudadas. Recomenda-se a frequência de alimentação de duas vezes ao dia para juvenis de tambaqui, principalmente visando minimizar mão de obra.

Keywords

native fish, fish nutrition, nutrição de peixes, desempenho, SF1-1100, Animal culture, peixe nativo, manejo alimentar, alimentary handling, Colossoma macropomum, performance

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citations
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
7
Average
Average
Average
Green
gold