TOTAL PHOSPHORUS CONTENTS FOR FEEDING SILVER CATFISH JUVENILES REARED IN NET CAGES NÍVEIS DE FÓSFORO TOTAL NA ALIMENTAÇÃO DE JUVENIS DE JUNDIÁ CRIADOS EM TANQUES-REDE

TOTAL PHOSPHORUS CONTENTS FOR FEEDING SILVER CATFISH JUVENILES REARED IN NET CAGES NÍVEIS DE FÓSFORO TOTAL NA ALIMENTAÇÃO DE JUVENIS DE JUNDIÁ CRIADOS EM TANQUES-REDE

<p style="margin-bottom: 0cm; font-style: normal; font-weight: normal; line-height: 120%; text-decoration: none;" lang="pt-BR"><span style="color: #000000;"><span style="font-family: Times New Roman,serif;"><spa...

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Main Authors: Dacley Hertes Neu, Cesar Sary, Arcangelo Augusto Signor, Wilson Rogério Boscolo, Odair Diemer, Aldi Feiden
Format: Article
Language:English
Published: Universidade Federal de Goiás 2011-10-01
Series:Pesquisa Agropecuária Tropical
Subjects:
Cultivo intensivo
Rhamdia quelen (Quoy & Gaimard, 1824)
nutrição de peixes.
Online Access:http://www.revistas.ufg.br/index.php/pat/article/view/15017
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author Dacley Hertes Neu
Cesar Sary
Arcangelo Augusto Signor
Wilson Rogério Boscolo
Odair Diemer
Aldi Feiden
author_facet Dacley Hertes Neu
Cesar Sary
Arcangelo Augusto Signor
Wilson Rogério Boscolo
Odair Diemer
Aldi Feiden
author_sort Dacley Hertes Neu
collection DOAJ
description &lt;p style="margin-bottom: 0cm; font-style: normal; font-weight: normal; line-height: 120%; text-decoration: none;" lang="pt-BR"&gt;&lt;span style="color: #000000;"&gt;&lt;span style="font-family: Times New Roman,serif;"&gt;&lt;span style="font-size: x-small;"&gt;&lt;span style="color: #000000;"&gt;&lt;span style="text-decoration: none;"&gt;&lt;span style="font-family: Times New Roman,serif;"&gt;&lt;span style="font-size: small;"&gt;&lt;span lang="pt-BR"&gt;&lt;span style="font-style: normal;"&gt;&lt;span style="font-weight: normal;"&gt;Phosphorous is an essential mineral for fishes, because it acts on various metabolic processes. However, high levels may jeopardize the water quality, and its lack could promote deficiency to animals. The aim of this study was to evaluate the productive performance of silver catfish juveniles reared in net cages and fed with diets containing different total phosphorus contents. A total of 600 silver catfish juveniles, with initial weight of 6.88 ± 0.26 g and 9.28 ± 0.99 cm, were randomly distributed in 20 net cages, in a stocking density of 30 fish per cage. A completely randomized design, with four treatments, different total phosphorus contents (0.65%, 0.80%, 0.95%, and 1.10%), and five replicates were used. These contents affected &lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;span style="color: #231f20;"&gt;&lt;span style="text-decoration: none;"&gt;&lt;span style="font-family: Times New Roman,serif;"&gt;&lt;span style="font-size: small;"&gt;&lt;span lang="pt-BR"&gt;&lt;span style="font-style: normal;"&gt;&lt;span style="font-weight: normal;"&gt;(p &amp;lt; 0,05) the final weight, length, weight gain, specific growth rate, and condition factor. However, the survival rate and feed conversion did not differ &lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;span style="color: #000000;"&gt;&lt;span style="text-decoration: none;"&gt;&lt;span style="font-family: Times New Roman,serif;"&gt;&lt;span style="font-size: small;"&gt;&lt;span lang="pt-BR"&gt;&lt;span style="font-style: normal;"&gt;&lt;span style="font-weight: normal;"&gt;(p &amp;gt; 0,05) among treatments. Thus, it is possible to recommend the commercial use of 0.80% total phosphorus in diets for silver catfish juveniles, providing a good productive performance and, above all, reducing the pollution caused by those diets.&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;<br>&lt;p style="margin-bottom: 0cm; font-style: normal; font-weight: normal; line-height: 120%; text-decoration: none;" lang="pt-BR"&gt;&lt;span style="color: #000000;"&gt;&lt;span style="font-family: Times New Roman,serif;"&gt;&lt;span style="font-size: x-small;"&gt;&lt;span style="color: #000000;"&gt;&lt;span style="text-decoration: none;"&gt;&lt;span style="font-family: Times New Roman,serif;"&gt;&lt;span style="font-size: small;"&gt;&lt;span lang="pt-BR"&gt;&lt;span style="font-style: normal;"&gt;&lt;span style="font-weight: normal;"&gt;O fósforo é um mineral essencial para os peixes, pois atua em vários processos metabólicos. Porém, níveis elevados podem comprometer a qualidade da água, e a sua falta pode provocar deficiência aos animais. &lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;span style="color: #000000;"&gt;&lt;span style="text-decoration: none;"&gt;&lt;span style="font-family: Times New Roman,serif;"&gt;&lt;span style="font-size: small;"&gt;&lt;span lang="pt-BR"&gt;&lt;span style="font-style: normal;"&gt;&lt;span style="font-weight: normal;"&gt;O presente estudo objetivou avaliar o desempenho produtivo de juvenis de jundiá criados em tanques-rede, alimentados com rações constituídas por diferentes níveis de fósforo total. &lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;span style="color: #000000;"&gt;&lt;span style="text-decoration: none;"&gt;&lt;span style="font-family: Times New Roman,serif;"&gt;&lt;span style="font-size: small;"&gt;&lt;span lang="en-US"&gt;&lt;span style="font-style: normal;"&gt;&lt;span style="font-weight: normal;"&gt;Foram utilizados 600 juvenis de jundiá, com massa inicial de 6,88 &lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;span style="color: #000000;"&gt;&lt;span style="text-decoration: none;"&gt;&lt;span style="font-family: Times New Roman,serif;"&gt;&lt;span style="font-size: small;"&gt;&lt;span lang="pt-BR"&gt;&lt;span style="font-style: normal;"&gt;&lt;span style="font-weight: normal;"&gt;± 0,26 &lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;span style="color: #000000;"&gt;&lt;span style="text-decoration: none;"&gt;&lt;span style="font-family: Times New Roman,serif;"&gt;&lt;span style="font-size: small;"&gt;&lt;span lang="en-US"&gt;&lt;span style="font-style: normal;"&gt;&lt;span style="font-weight: normal;"&gt;g e 9,28 &lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;span style="color: #000000;"&gt;&lt;span style="text-decoration: none;"&gt;&lt;span style="font-family: Times New Roman,serif;"&gt;&lt;span style="font-size: small;"&gt;&lt;span lang="pt-BR"&gt;&lt;span style="font-style: normal;"&gt;&lt;span style="font-weight: normal;"&gt;± 0,99 cm, distribuídos, aleatoriamente, em 20 tanques-rede, na densidade de estocagem de 30 peixes por tanque. Utilizou-se delineamento inteiramente casualizado, com quatro tratamentos, diferentes níveis de fósforo total (0,65%; 0,80%; 0,95%; e 1,10%) e cinco repetições. &lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;span style="color: #231f20;"&gt;&lt;span style="text-decoration: none;"&gt;&lt;span style="font-family: Times New Roman,serif;"&gt;&lt;span style="font-size: small;"&gt;&lt;span lang="pt-BR"&gt;&lt;span style="font-style: normal;"&gt;&lt;span style="font-weight: normal;"&gt;Estes níveis afetaram (p &amp;lt; 0,05) a massa final, comprimento final, ganho de massa, taxa de crescimento específico e fator de condição. Contudo,&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;span style="color: #000000;"&gt;&lt;span style="text-decoration: none;"&gt;&lt;span style="font-family: Times New Roman,serif;"&gt;&lt;span style="font-size: small;"&gt;&lt;span lang="pt-BR"&gt;&lt;span style="font-style: normal;"&gt;&lt;span style="font-weight: normal;"&gt; a sobrevivência e conversão alimentar não se alteraram, em função dos tratamentos. Pode-se recomendar, comercialmente, a utilização de 0,80% de fósforo total, em rações para juvenis de jundiá, proporcionando bom desempenho produtivo e, principalmente, diminuindo o efeito poluidor das rações.&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;
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spelling doaj.art-d0da56ac029c4a9a818ca21e9f23c5b92022-12-21T19:14:37ZengUniversidade Federal de GoiásPesquisa Agropecuária Tropical1983-40632011-10-0141410.5216/pat.v41i4.15017TOTAL PHOSPHORUS CONTENTS FOR FEEDING SILVER CATFISH JUVENILES REARED IN NET CAGES NÍVEIS DE FÓSFORO TOTAL NA ALIMENTAÇÃO DE JUVENIS DE JUNDIÁ CRIADOS EM TANQUES-REDEDacley Hertes NeuCesar SaryArcangelo Augusto SignorWilson Rogério BoscoloOdair DiemerAldi Feiden&lt;p style="margin-bottom: 0cm; font-style: normal; font-weight: normal; line-height: 120%; text-decoration: none;" lang="pt-BR"&gt;&lt;span style="color: #000000;"&gt;&lt;span style="font-family: Times New Roman,serif;"&gt;&lt;span style="font-size: x-small;"&gt;&lt;span style="color: #000000;"&gt;&lt;span style="text-decoration: none;"&gt;&lt;span style="font-family: Times New Roman,serif;"&gt;&lt;span style="font-size: small;"&gt;&lt;span lang="pt-BR"&gt;&lt;span style="font-style: normal;"&gt;&lt;span style="font-weight: normal;"&gt;Phosphorous is an essential mineral for fishes, because it acts on various metabolic processes. However, high levels may jeopardize the water quality, and its lack could promote deficiency to animals. The aim of this study was to evaluate the productive performance of silver catfish juveniles reared in net cages and fed with diets containing different total phosphorus contents. A total of 600 silver catfish juveniles, with initial weight of 6.88 ± 0.26 g and 9.28 ± 0.99 cm, were randomly distributed in 20 net cages, in a stocking density of 30 fish per cage. A completely randomized design, with four treatments, different total phosphorus contents (0.65%, 0.80%, 0.95%, and 1.10%), and five replicates were used. These contents affected &lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;span style="color: #231f20;"&gt;&lt;span style="text-decoration: none;"&gt;&lt;span style="font-family: Times New Roman,serif;"&gt;&lt;span style="font-size: small;"&gt;&lt;span lang="pt-BR"&gt;&lt;span style="font-style: normal;"&gt;&lt;span style="font-weight: normal;"&gt;(p &amp;lt; 0,05) the final weight, length, weight gain, specific growth rate, and condition factor. However, the survival rate and feed conversion did not differ &lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;span style="color: #000000;"&gt;&lt;span style="text-decoration: none;"&gt;&lt;span style="font-family: Times New Roman,serif;"&gt;&lt;span style="font-size: small;"&gt;&lt;span lang="pt-BR"&gt;&lt;span style="font-style: normal;"&gt;&lt;span style="font-weight: normal;"&gt;(p &amp;gt; 0,05) among treatments. Thus, it is possible to recommend the commercial use of 0.80% total phosphorus in diets for silver catfish juveniles, providing a good productive performance and, above all, reducing the pollution caused by those diets.&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;<br>&lt;p style="margin-bottom: 0cm; font-style: normal; font-weight: normal; line-height: 120%; text-decoration: none;" lang="pt-BR"&gt;&lt;span style="color: #000000;"&gt;&lt;span style="font-family: Times New Roman,serif;"&gt;&lt;span style="font-size: x-small;"&gt;&lt;span style="color: #000000;"&gt;&lt;span style="text-decoration: none;"&gt;&lt;span style="font-family: Times New Roman,serif;"&gt;&lt;span style="font-size: small;"&gt;&lt;span lang="pt-BR"&gt;&lt;span style="font-style: normal;"&gt;&lt;span style="font-weight: normal;"&gt;O fósforo é um mineral essencial para os peixes, pois atua em vários processos metabólicos. Porém, níveis elevados podem comprometer a qualidade da água, e a sua falta pode provocar deficiência aos animais. &lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;span style="color: #000000;"&gt;&lt;span style="text-decoration: none;"&gt;&lt;span style="font-family: Times New Roman,serif;"&gt;&lt;span style="font-size: small;"&gt;&lt;span lang="pt-BR"&gt;&lt;span style="font-style: normal;"&gt;&lt;span style="font-weight: normal;"&gt;O presente estudo objetivou avaliar o desempenho produtivo de juvenis de jundiá criados em tanques-rede, alimentados com rações constituídas por diferentes níveis de fósforo total. &lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;span style="color: #000000;"&gt;&lt;span style="text-decoration: none;"&gt;&lt;span style="font-family: Times New Roman,serif;"&gt;&lt;span style="font-size: small;"&gt;&lt;span lang="en-US"&gt;&lt;span style="font-style: normal;"&gt;&lt;span style="font-weight: normal;"&gt;Foram utilizados 600 juvenis de jundiá, com massa inicial de 6,88 &lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;span style="color: #000000;"&gt;&lt;span style="text-decoration: none;"&gt;&lt;span style="font-family: Times New Roman,serif;"&gt;&lt;span style="font-size: small;"&gt;&lt;span lang="pt-BR"&gt;&lt;span style="font-style: normal;"&gt;&lt;span style="font-weight: normal;"&gt;± 0,26 &lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;span style="color: #000000;"&gt;&lt;span style="text-decoration: none;"&gt;&lt;span style="font-family: Times New Roman,serif;"&gt;&lt;span style="font-size: small;"&gt;&lt;span lang="en-US"&gt;&lt;span style="font-style: normal;"&gt;&lt;span style="font-weight: normal;"&gt;g e 9,28 &lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;span style="color: #000000;"&gt;&lt;span style="text-decoration: none;"&gt;&lt;span style="font-family: Times New Roman,serif;"&gt;&lt;span style="font-size: small;"&gt;&lt;span lang="pt-BR"&gt;&lt;span style="font-style: normal;"&gt;&lt;span style="font-weight: normal;"&gt;± 0,99 cm, distribuídos, aleatoriamente, em 20 tanques-rede, na densidade de estocagem de 30 peixes por tanque. Utilizou-se delineamento inteiramente casualizado, com quatro tratamentos, diferentes níveis de fósforo total (0,65%; 0,80%; 0,95%; e 1,10%) e cinco repetições. &lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;span style="color: #231f20;"&gt;&lt;span style="text-decoration: none;"&gt;&lt;span style="font-family: Times New Roman,serif;"&gt;&lt;span style="font-size: small;"&gt;&lt;span lang="pt-BR"&gt;&lt;span style="font-style: normal;"&gt;&lt;span style="font-weight: normal;"&gt;Estes níveis afetaram (p &amp;lt; 0,05) a massa final, comprimento final, ganho de massa, taxa de crescimento específico e fator de condição. Contudo,&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;span style="color: #000000;"&gt;&lt;span style="text-decoration: none;"&gt;&lt;span style="font-family: Times New Roman,serif;"&gt;&lt;span style="font-size: small;"&gt;&lt;span lang="pt-BR"&gt;&lt;span style="font-style: normal;"&gt;&lt;span style="font-weight: normal;"&gt; a sobrevivência e conversão alimentar não se alteraram, em função dos tratamentos. Pode-se recomendar, comercialmente, a utilização de 0,80% de fósforo total, em rações para juvenis de jundiá, proporcionando bom desempenho produtivo e, principalmente, diminuindo o efeito poluidor das rações.&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;http://www.revistas.ufg.br/index.php/pat/article/view/15017Cultivo intensivoRhamdia quelen (Quoy &amp; Gaimard, 1824)nutrição de peixes.
spellingShingle Dacley Hertes Neu
Cesar Sary
Arcangelo Augusto Signor
Wilson Rogério Boscolo
Odair Diemer
Aldi Feiden
TOTAL PHOSPHORUS CONTENTS FOR FEEDING SILVER CATFISH JUVENILES REARED IN NET CAGES NÍVEIS DE FÓSFORO TOTAL NA ALIMENTAÇÃO DE JUVENIS DE JUNDIÁ CRIADOS EM TANQUES-REDE
Pesquisa Agropecuária Tropical
Cultivo intensivo
Rhamdia quelen (Quoy &amp; Gaimard, 1824)
nutrição de peixes.
title TOTAL PHOSPHORUS CONTENTS FOR FEEDING SILVER CATFISH JUVENILES REARED IN NET CAGES NÍVEIS DE FÓSFORO TOTAL NA ALIMENTAÇÃO DE JUVENIS DE JUNDIÁ CRIADOS EM TANQUES-REDE
title_full TOTAL PHOSPHORUS CONTENTS FOR FEEDING SILVER CATFISH JUVENILES REARED IN NET CAGES NÍVEIS DE FÓSFORO TOTAL NA ALIMENTAÇÃO DE JUVENIS DE JUNDIÁ CRIADOS EM TANQUES-REDE
title_fullStr TOTAL PHOSPHORUS CONTENTS FOR FEEDING SILVER CATFISH JUVENILES REARED IN NET CAGES NÍVEIS DE FÓSFORO TOTAL NA ALIMENTAÇÃO DE JUVENIS DE JUNDIÁ CRIADOS EM TANQUES-REDE
title_full_unstemmed TOTAL PHOSPHORUS CONTENTS FOR FEEDING SILVER CATFISH JUVENILES REARED IN NET CAGES NÍVEIS DE FÓSFORO TOTAL NA ALIMENTAÇÃO DE JUVENIS DE JUNDIÁ CRIADOS EM TANQUES-REDE
title_short TOTAL PHOSPHORUS CONTENTS FOR FEEDING SILVER CATFISH JUVENILES REARED IN NET CAGES NÍVEIS DE FÓSFORO TOTAL NA ALIMENTAÇÃO DE JUVENIS DE JUNDIÁ CRIADOS EM TANQUES-REDE
title_sort total phosphorus contents for feeding silver catfish juveniles reared in net cages niveis de fosforo total na alimentacao de juvenis de jundia criados em tanques rede
topic Cultivo intensivo
Rhamdia quelen (Quoy &amp; Gaimard, 1824)
nutrição de peixes.
url http://www.revistas.ufg.br/index.php/pat/article/view/15017
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