Growth in weight and of some tissues in the bullfrog: fitting nonlinear models during the fattening phase

Detalhes bibliográficos
Autor(a) principal: Pereira, Marcelo Maia [UNESP]
Data de Publicação: 2014
Outros Autores: Mansano, Cleber Fernando Menegasso [UNESP], Silva, Edney Pereira Da [UNESP], Stéfani, Marta Verardino De [UNESP]
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Repositório Institucional da UNESP
Texto Completo: http://dx.doi.org/10.1590/S1413-70542014000600009
http://hdl.handle.net/11449/114572
Resumo: Knowledge of the growth of animals is important so that zootechnical activity can be more accurate and sustainable. The objective of this study was to describe the live weight, development of liver tissue and fat body, leg growth, and cumulative food intake of bullfrogs during the fattening phase using nonlinear models. A total of 2,375 bullfrog froglets with an initial weight of 7.03 ± 0.16 g were housed in five fattening pens (12 m2). Ten samplings were performed at intervals of 14 days to obtain the variables studied. These data were used to estimate the parameters of Gompertz and logistic models as a function of time. The estimated values of weight (Wm) and food intake (FIm) at maturity and time when the growth rate is maximum (t*) were closer to expected values when the logistic model was used. The Wm values for live weight and liver, adipose and leg weights and the FIm value for food intake were 343.7, 15.7, 19.6, 96.03 and 369.3 g, respectively, with t* at 109, 98, 105, 109 and 107 days. Therefore, the logistic model was the best model to estimate the growth and food intake of bullfrogs during the fattening phase.
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spelling Growth in weight and of some tissues in the bullfrog: fitting nonlinear models during the fattening phaseCrescimento em peso e de alguns tecidos de rã-touro: através de modelos não lineares durante a fase de engordaFrog farminggrowth curvesgrowth ratelogistic modelRaniculturacurvas de crescimentotaxa de crescimentologísticoKnowledge of the growth of animals is important so that zootechnical activity can be more accurate and sustainable. The objective of this study was to describe the live weight, development of liver tissue and fat body, leg growth, and cumulative food intake of bullfrogs during the fattening phase using nonlinear models. A total of 2,375 bullfrog froglets with an initial weight of 7.03 ± 0.16 g were housed in five fattening pens (12 m2). Ten samplings were performed at intervals of 14 days to obtain the variables studied. These data were used to estimate the parameters of Gompertz and logistic models as a function of time. The estimated values of weight (Wm) and food intake (FIm) at maturity and time when the growth rate is maximum (t*) were closer to expected values when the logistic model was used. The Wm values for live weight and liver, adipose and leg weights and the FIm value for food intake were 343.7, 15.7, 19.6, 96.03 and 369.3 g, respectively, with t* at 109, 98, 105, 109 and 107 days. Therefore, the logistic model was the best model to estimate the growth and food intake of bullfrogs during the fattening phase.O conhecimento do crescimento dos animais é importante para a atividade zootécnica ser mais precisa e sustentável. O objetivo do estudo foi descrever o crescimento em peso vivo, dos tecidos hepático e adiposo, da coxa e o consumo alimentar acumulado da rã-touro na engorda, através de ajuste de modelos não lineares. Foram utilizados 2.375 imagos de rã-touro com peso inicial de 7,03±0,16g, os quais foram alojados em cinco baias de engorda com 12 m². Foram realizadas 10 amostragens, a cada 14 dias, para obtenção das variáveis estudadas. Os dados amostrados foram utilizados para estimar os parâmetros dos modelos de Gompertz e Logístico em função do tempo. Os valores estimados de peso (Pm) e consumo à maturidade (Cm) e tempo em que a taxa de crescimento é máxima (t*) dos parâmetros avaliados foram mais próximos do esperado no modelo Logístico. Os valores de Pm para peso vivo, tecido hepático e adiposo, coxas e Cm para consumo alimentar foram 343,7 g; 15,7g; 19.6g; 96,03 e 369,3g, respectivamente, com t* aos 109, 98, 105, 109 e 107 dias, respectivamente. Portanto, o modelo Logístico foi a melhor ferramenta para estimar o crescimento e o consumo alimentar da rã-touro na fase de engorda.Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)Universidade Estadual Paulista Júlio de Mesquita Filho Centro de AquiculturaUniversidade Estadual Paulista Júlio de Mesquita Filho Departamento de ZootecniaUniversidade Estadual Paulista Júlio de Mesquita Filho Centro de AquiculturaUniversidade Estadual Paulista Júlio de Mesquita Filho Departamento de ZootecniaEditora da Universidade Federal de LavrasUniversidade Estadual Paulista (Unesp)Pereira, Marcelo Maia [UNESP]Mansano, Cleber Fernando Menegasso [UNESP]Silva, Edney Pereira Da [UNESP]Stéfani, Marta Verardino De [UNESP]2015-02-02T12:39:39Z2015-02-02T12:39:39Z2014-12-01info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/article598-606application/pdfhttp://dx.doi.org/10.1590/S1413-70542014000600009Ciência e Agrotecnologia. Editora da Universidade Federal de Lavras, v. 38, n. 6, p. 598-606, 2014.1413-7054http://hdl.handle.net/11449/11457210.1590/S1413-70542014000600009S1413-70542014000600009S1413-70542014000600009.pdfSciELOreponame:Repositório Institucional da UNESPinstname:Universidade Estadual Paulista (UNESP)instacron:UNESPengCiência e Agrotecnologia0.6720,383info:eu-repo/semantics/openAccess2024-04-09T15:29:47Zoai:repositorio.unesp.br:11449/114572Repositório InstitucionalPUBhttp://repositorio.unesp.br/oai/requestopendoar:29462024-04-09T15:29:47Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP)false
dc.title.none.fl_str_mv Growth in weight and of some tissues in the bullfrog: fitting nonlinear models during the fattening phase
Crescimento em peso e de alguns tecidos de rã-touro: através de modelos não lineares durante a fase de engorda
title Growth in weight and of some tissues in the bullfrog: fitting nonlinear models during the fattening phase
spellingShingle Growth in weight and of some tissues in the bullfrog: fitting nonlinear models during the fattening phase
Pereira, Marcelo Maia [UNESP]
Frog farming
growth curves
growth rate
logistic model
Ranicultura
curvas de crescimento
taxa de crescimento
logístico
title_short Growth in weight and of some tissues in the bullfrog: fitting nonlinear models during the fattening phase
title_full Growth in weight and of some tissues in the bullfrog: fitting nonlinear models during the fattening phase
title_fullStr Growth in weight and of some tissues in the bullfrog: fitting nonlinear models during the fattening phase
title_full_unstemmed Growth in weight and of some tissues in the bullfrog: fitting nonlinear models during the fattening phase
title_sort Growth in weight and of some tissues in the bullfrog: fitting nonlinear models during the fattening phase
author Pereira, Marcelo Maia [UNESP]
author_facet Pereira, Marcelo Maia [UNESP]
Mansano, Cleber Fernando Menegasso [UNESP]
Silva, Edney Pereira Da [UNESP]
Stéfani, Marta Verardino De [UNESP]
author_role author
author2 Mansano, Cleber Fernando Menegasso [UNESP]
Silva, Edney Pereira Da [UNESP]
Stéfani, Marta Verardino De [UNESP]
author2_role author
author
author
dc.contributor.none.fl_str_mv Universidade Estadual Paulista (Unesp)
dc.contributor.author.fl_str_mv Pereira, Marcelo Maia [UNESP]
Mansano, Cleber Fernando Menegasso [UNESP]
Silva, Edney Pereira Da [UNESP]
Stéfani, Marta Verardino De [UNESP]
dc.subject.por.fl_str_mv Frog farming
growth curves
growth rate
logistic model
Ranicultura
curvas de crescimento
taxa de crescimento
logístico
topic Frog farming
growth curves
growth rate
logistic model
Ranicultura
curvas de crescimento
taxa de crescimento
logístico
description Knowledge of the growth of animals is important so that zootechnical activity can be more accurate and sustainable. The objective of this study was to describe the live weight, development of liver tissue and fat body, leg growth, and cumulative food intake of bullfrogs during the fattening phase using nonlinear models. A total of 2,375 bullfrog froglets with an initial weight of 7.03 ± 0.16 g were housed in five fattening pens (12 m2). Ten samplings were performed at intervals of 14 days to obtain the variables studied. These data were used to estimate the parameters of Gompertz and logistic models as a function of time. The estimated values of weight (Wm) and food intake (FIm) at maturity and time when the growth rate is maximum (t*) were closer to expected values when the logistic model was used. The Wm values for live weight and liver, adipose and leg weights and the FIm value for food intake were 343.7, 15.7, 19.6, 96.03 and 369.3 g, respectively, with t* at 109, 98, 105, 109 and 107 days. Therefore, the logistic model was the best model to estimate the growth and food intake of bullfrogs during the fattening phase.
publishDate 2014
dc.date.none.fl_str_mv 2014-12-01
2015-02-02T12:39:39Z
2015-02-02T12:39:39Z
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
format article
status_str publishedVersion
dc.identifier.uri.fl_str_mv http://dx.doi.org/10.1590/S1413-70542014000600009
Ciência e Agrotecnologia. Editora da Universidade Federal de Lavras, v. 38, n. 6, p. 598-606, 2014.
1413-7054
http://hdl.handle.net/11449/114572
10.1590/S1413-70542014000600009
S1413-70542014000600009
S1413-70542014000600009.pdf
url http://dx.doi.org/10.1590/S1413-70542014000600009
http://hdl.handle.net/11449/114572
identifier_str_mv Ciência e Agrotecnologia. Editora da Universidade Federal de Lavras, v. 38, n. 6, p. 598-606, 2014.
1413-7054
10.1590/S1413-70542014000600009
S1413-70542014000600009
S1413-70542014000600009.pdf
dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv Ciência e Agrotecnologia
0.672
0,383
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv 598-606
application/pdf
dc.publisher.none.fl_str_mv Editora da Universidade Federal de Lavras
publisher.none.fl_str_mv Editora da Universidade Federal de Lavras
dc.source.none.fl_str_mv SciELO
reponame:Repositório Institucional da UNESP
instname:Universidade Estadual Paulista (UNESP)
instacron:UNESP
instname_str Universidade Estadual Paulista (UNESP)
instacron_str UNESP
institution UNESP
reponame_str Repositório Institucional da UNESP
collection Repositório Institucional da UNESP
repository.name.fl_str_mv Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP)
repository.mail.fl_str_mv
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