Relations among growth traits in tilapia (Orechomis nilotica)
Autor(a) principal: | |
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Data de Publicação: | 2003 |
Outros Autores: | , , , , |
Tipo de documento: | Artigo |
Idioma: | por |
Título da fonte: | Semina. Ciências Agrárias (Online) |
Texto Completo: | https://ojs.uel.br/revistas/uel/index.php/semagrarias/article/view/2131 |
Resumo: | A sample of 250 observations in tilapia (Orechomis nilotica) was used in this work. The evaluated traits were those related to growth, i.e., body weight (BW), total body length (BL), body height (BH) and head length (HL). The data were transformed to natural logarithm, and the majority of the relations obtained (BW x BL, BW x BH, HL x BL, e HL x BH) indicated a negative alometric growth. The relation BW x HL was alometric positive. Only the relation BH x BL presented an isometric growth. A prediction equation was determined using as dependent variable the natural logarithm of body weight (lnBW), and as independent variables the natural logarithms of body length (lnBL) and body height (lnBH). The prediction equation was, lnBW = -2.97041 + 2.2145 lnBL + 0,741373 lnBH; r2 = 0.99. |
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Semina. Ciências Agrárias (Online) |
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Relations among growth traits in tilapia (Orechomis nilotica)Relações entre as características de crescimento na tilápia (Oreochromis nilotica)Peixes crescimentoTilápia.A sample of 250 observations in tilapia (Orechomis nilotica) was used in this work. The evaluated traits were those related to growth, i.e., body weight (BW), total body length (BL), body height (BH) and head length (HL). The data were transformed to natural logarithm, and the majority of the relations obtained (BW x BL, BW x BH, HL x BL, e HL x BH) indicated a negative alometric growth. The relation BW x HL was alometric positive. Only the relation BH x BL presented an isometric growth. A prediction equation was determined using as dependent variable the natural logarithm of body weight (lnBW), and as independent variables the natural logarithms of body length (lnBL) and body height (lnBH). The prediction equation was, lnBW = -2.97041 + 2.2145 lnBL + 0,741373 lnBH; r2 = 0.99.A amostra utilizada neste trabalho era constituída de 250 observações em tilápia (Orechromis nilotica). As características avaliadas foram as relativas ao crescimento, ou seja: Peso corporal (P); Comprimento corporal total (C); Altura corporal (A); e Comprimento de cabeça (CA). As relações obtidas através da transformação das variáveis para logaritmo natural, indicou que a maioria das relações (P X C, P X A, CA X C e CA X A) apresentou crescimento alométrico negativo, a relação P X CA alométrico positivo, e somente a relação A X C apresentou crescimento isométrico. Uma equação de predição foi determinada utilizando a variável ln(P) como dependente e ln(C) e ln(A) como variáveis independentes, a equação de predição foi: ln(P) = -2,97041 + 2,2145 ln(C) + 0,741373 ln(A); r2 = 0,99.UEL2003-05-10info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdfhttps://ojs.uel.br/revistas/uel/index.php/semagrarias/article/view/213110.5433/1679-0359.2003v24n1p119Semina: Ciências Agrárias; Vol. 24 No. 1 (2003); 119-122Semina: Ciências Agrárias; v. 24 n. 1 (2003); 119-1221679-03591676-546Xreponame:Semina. Ciências Agrárias (Online)instname:Universidade Estadual de Londrina (UEL)instacron:UELporhttps://ojs.uel.br/revistas/uel/index.php/semagrarias/article/view/2131/1828Rocha, Marco Antonio daRibeiro, Edson Luis de AzambujaMizubuti, Ivone YurikaSilva, Leandro das Dores Ferreira daBignardi, Anaiza BragaDomingues, Adriana Rosainfo:eu-repo/semantics/openAccess2010-11-09T18:44:30Zoai:ojs.pkp.sfu.ca:article/2131Revistahttp://www.uel.br/revistas/uel/index.php/semagrariasPUBhttps://ojs.uel.br/revistas/uel/index.php/semagrarias/oaisemina.agrarias@uel.br1679-03591676-546Xopendoar:2010-11-09T18:44:30Semina. Ciências Agrárias (Online) - Universidade Estadual de Londrina (UEL)false |
dc.title.none.fl_str_mv |
Relations among growth traits in tilapia (Orechomis nilotica) Relações entre as características de crescimento na tilápia (Oreochromis nilotica) |
title |
Relations among growth traits in tilapia (Orechomis nilotica) |
spellingShingle |
Relations among growth traits in tilapia (Orechomis nilotica) Rocha, Marco Antonio da Peixes crescimento Tilápia. |
title_short |
Relations among growth traits in tilapia (Orechomis nilotica) |
title_full |
Relations among growth traits in tilapia (Orechomis nilotica) |
title_fullStr |
Relations among growth traits in tilapia (Orechomis nilotica) |
title_full_unstemmed |
Relations among growth traits in tilapia (Orechomis nilotica) |
title_sort |
Relations among growth traits in tilapia (Orechomis nilotica) |
author |
Rocha, Marco Antonio da |
author_facet |
Rocha, Marco Antonio da Ribeiro, Edson Luis de Azambuja Mizubuti, Ivone Yurika Silva, Leandro das Dores Ferreira da Bignardi, Anaiza Braga Domingues, Adriana Rosa |
author_role |
author |
author2 |
Ribeiro, Edson Luis de Azambuja Mizubuti, Ivone Yurika Silva, Leandro das Dores Ferreira da Bignardi, Anaiza Braga Domingues, Adriana Rosa |
author2_role |
author author author author author |
dc.contributor.author.fl_str_mv |
Rocha, Marco Antonio da Ribeiro, Edson Luis de Azambuja Mizubuti, Ivone Yurika Silva, Leandro das Dores Ferreira da Bignardi, Anaiza Braga Domingues, Adriana Rosa |
dc.subject.por.fl_str_mv |
Peixes crescimento Tilápia. |
topic |
Peixes crescimento Tilápia. |
description |
A sample of 250 observations in tilapia (Orechomis nilotica) was used in this work. The evaluated traits were those related to growth, i.e., body weight (BW), total body length (BL), body height (BH) and head length (HL). The data were transformed to natural logarithm, and the majority of the relations obtained (BW x BL, BW x BH, HL x BL, e HL x BH) indicated a negative alometric growth. The relation BW x HL was alometric positive. Only the relation BH x BL presented an isometric growth. A prediction equation was determined using as dependent variable the natural logarithm of body weight (lnBW), and as independent variables the natural logarithms of body length (lnBL) and body height (lnBH). The prediction equation was, lnBW = -2.97041 + 2.2145 lnBL + 0,741373 lnBH; r2 = 0.99. |
publishDate |
2003 |
dc.date.none.fl_str_mv |
2003-05-10 |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
https://ojs.uel.br/revistas/uel/index.php/semagrarias/article/view/2131 10.5433/1679-0359.2003v24n1p119 |
url |
https://ojs.uel.br/revistas/uel/index.php/semagrarias/article/view/2131 |
identifier_str_mv |
10.5433/1679-0359.2003v24n1p119 |
dc.language.iso.fl_str_mv |
por |
language |
por |
dc.relation.none.fl_str_mv |
https://ojs.uel.br/revistas/uel/index.php/semagrarias/article/view/2131/1828 |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
application/pdf |
dc.publisher.none.fl_str_mv |
UEL |
publisher.none.fl_str_mv |
UEL |
dc.source.none.fl_str_mv |
Semina: Ciências Agrárias; Vol. 24 No. 1 (2003); 119-122 Semina: Ciências Agrárias; v. 24 n. 1 (2003); 119-122 1679-0359 1676-546X reponame:Semina. Ciências Agrárias (Online) instname:Universidade Estadual de Londrina (UEL) instacron:UEL |
instname_str |
Universidade Estadual de Londrina (UEL) |
instacron_str |
UEL |
institution |
UEL |
reponame_str |
Semina. Ciências Agrárias (Online) |
collection |
Semina. Ciências Agrárias (Online) |
repository.name.fl_str_mv |
Semina. Ciências Agrárias (Online) - Universidade Estadual de Londrina (UEL) |
repository.mail.fl_str_mv |
semina.agrarias@uel.br |
_version_ |
1799306057097412608 |