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    <subfield code="a">Mota, L.F.M. </subfield>
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    <subfield code="a">Alc&#xE2;ntara, D.C. </subfield>
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    <subfield code="a"> Abreu, L.R.A.</subfield>
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    <subfield code="a">Costa, L.S. </subfield>
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    <subfield code="a">Pires, A.V. </subfield>
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    <subfield code="a">Bonaf&#xE9;, C.M. </subfield>
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    <subfield code="a">Silva, M.A. </subfield>
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    <subfield code="a">Pinheiro, S.R.F. </subfield>
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    <subfield code="a">Crescimento de codornas de diferentes grupos gen&#xE9;ticos por meio de modelos n&#xE3;o lineares </subfield>
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    <subfield code="a">Publica&#xE7;&#xE3;o online; 14 ref.; 4 tables; Summaries (En, Pt)</subfield>
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RESUMO - Objetivou-se com o presente trabalho ajustar modelos n&#xE3;o lineares para descrever o padr&#xE3;o de crescimento de gen&#xF3;tipos de codornas de corte e de postura do nascimento aos 35 dias de idade. Foram utilizados dados de 1280 codornas machos e f&#xEA;meas, provenientes de sete gen&#xF3;tipos de codornas de corte (EV1, EV2, UFV1, UFV2, UFV3, LF1, LF2) e um de postura. Todas as codornas foram pesadas a cada sete dias, do nascimento aos 35 dias de idade. Foram ajustados os modelos Brody, Gompertz, Log&#xED;stico, Richards e von Bertalanffy aos dados de peso corporal de todos os gen&#xF3;tipos. As an&#xE1;lises estat&#xED;sticas foram realizadas utilizando-se o PROC NLIN do SAS (Statistical Analysis System, vers&#xE3;o 9.0). Os crit&#xE9;rios empregados para a escolha do melhor modelo para descrever a curva de crescimento foram o coeficiente de determina&#xE7;&#xE3;o ajustado (R2), o desvio padr&#xE3;o assint&#xF3;tico (DPA), o desvio m&#xE9;dio absoluto dos res&#xED;duos (DMA), o &#xED;ndice assint&#xF3;tico (IA), o crit&#xE9;rio de informa&#xE7;&#xE3;o bayesiano (BIC), o crit&#xE9;rio de Akaike (AIC) e o quadrado m&#xE9;dio do erro (QME). Todos os modelos n&#xE3;o lineares testados convergiram, com exce&#xE7;&#xE3;o do modelo Brody, que n&#xE3;o convergiu para nenhum gen&#xF3;tipo avaliado. O modelo Richards n&#xE3;o convergiu para o gen&#xF3;tipo postura. Os par&#xE2;metros da curva de crescimento estimados pelos modelos indicaram maior precocidade, em geral, do gen&#xF3;tipo postura comparado aos demais gen&#xF3;tipos. O modelo Richards apresentou superestima&#xE7;&#xE3;o do ponto de inflex&#xE3;o para todos os gen&#xF3;tipos, exceto para o gen&#xF3;tipo postura. Os modelos Gompertz, Log&#xED;stico e von Bertalanffy s&#xE3;o recomendados para descrever o crescimento de codornas de corte dos grupos gen&#xE9;ticos em estudo. O modelo Brody n&#xE3;o convergiu, por isso n&#xE3;o &#xE9; recomendado para descrever o crescimento dos grupos gen&#xE9;ticos de codornas em estudo.


Palavras-chave: Coturnix coturnix, Coturnix japonica, curva de crescimento, peso &#xE0; maturidade, par&#xE2;metro de crescimento</subfield>
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ABSTRACT - This work aimed to adjust nonlinear models to describe the growth pattern of meat type and posture quail genotypes from hatch to 35 days of age. A total of 1280 male and female quails from EV1, EV2, UFV1, UFV2, UFV3, LF1 and LF2 and Posture genotypes were weighed every seven days, from hatch to 35 days of age. Brody, Gompertz, Logistic, von Bertalanffy and Richards models were used to fit the growth of the genetic groups. Statistical analyses were performed using PROC NLIN of SAS (Statistical Analysis System, version 9.0). The criteria used to select the model showing the best goodness of fit to the growth of the genotypes were: Adjusted Coefficient of Determination (R2), Asymptotic Standard Deviation (DPA), Absolut Mean Deviation (DMA), Asymptotic Index (AI), Bayesian Information Criterion (BIC), Akaike Information Criterion (AIC) and Errors Mean Square (MSE). All nonlinear models converged for the studied genotypes, except Richard the model for the Posture genotype. In general, the estimated parameters for the growth curve using nonlinear models suggested higher precocity for the Posture genotype in comparison to meat type genotypes. The Richard model overestimates the inflection point for all genotypes, except for the Posture genotype. The Gompertz, Logistic and von Bertalanffy are recommended to describe the growth patterns of the studied quail genetic groups. The Brody model did not converge and is not recommended to describe the genetic growth of the studied groups.


Keywords: Coturnix coturnix, Coturnix japonica, growth curve, growth parameter, weight maturity</subfield>
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    <subfield code="a">MODELO MATEM&#xC1;TICO</subfield>
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    <subfield code="0">1643</subfield>
    <subfield code="9">315896</subfield>
    <subfield code="d">Belo Horizonte-MG Universidade Federal de Minas Gerais - Escola de Veterinaria 1983</subfield>
    <subfield code="o">2024-2261</subfield>
    <subfield code="t">Arquivo Brasileiro de Medicina Veterin&#xE1;ria e Zootecnia (Brazil)</subfield>
    <subfield code="x">0102-0935</subfield>
    <subfield code="g">v. 67(5) p. 1372-1380; (2015)</subfield>
    <subfield code="w">BR2024004007</subfield>
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    <subfield code="u">https://www.scielo.br/j/abmvz/a/4PyGdmnnSBFdcBHy7T7CQRD/?format=pdf&amp;lang=pt</subfield>
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