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    <subfield code="a"> Rossi, R.M.</subfield>
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    <subfield code="a">Martins, E.N. </subfield>
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    <subfield code="a">Lopes, P.S. </subfield>
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    <subfield code="a">Silva, F.F. </subfield>
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    <subfield code="a">Marcondes, M.I. </subfield>
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    <subfield code="a">Caetano, G.C. </subfield>
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    <subfield code="a">Ferreira J&#xFA;nior, H.C. </subfield>
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    <subfield code="a"> Knupp, L.S.</subfield>
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    <subfield code="a"> Ferreira, M.A.</subfield>
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    <subfield code="a">Infer&#xEA;ncia bayesiana da convers&#xE3;o alimentar em diferentes experimentos animais</subfield>
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    <subfield code="a">Publica&#xE7;&#xE3;o online; 28 ref.; 2 tables; Summaries (En, Pt)</subfield>
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RESUMO - O presente trabalho teve por objetivo avaliar a convers&#xE3;o alimentar (CA) por meio da infer&#xEA;ncia bayesiana considerando-se an&#xE1;lises bivariadas. Foram utilizadas diferentes esp&#xE9;cies animais de experimentos conduzidos na Universidade Federal de Vi&#xE7;osa, no estado de Minas Gerais, Brasil. O modelo proposto mostrou ser apropriado, uma vez que possibilitou a detec&#xE7;&#xE3;o de diferen&#xE7;as significativas entre n&#xED;veis de fatores n&#xE3;o detectados por procedimentos frequentistas em ANOVA tradicional, principalmente em pequenas amostras. No experimento com codornas, evidenciou-se que aves cujos n&#xED;veis de prote&#xED;na bruta eram de 23% e 29%, respectivamente, para machos e f&#xEA;meas, apresentaram uma melhor CA, de 2,83&#xB1;0,03 e 2,66&#xB1;0,03, respectivamente. No experimento com frangos, no grupo sem o aditivo antibi&#xF3;tico, a inclus&#xE3;o de 0,02% de extrato de &#xE9;steres naturais foi o que promoveu a melhor CA (1,72&#xB1;0,01), e, de modo geral, o uso de antibi&#xF3;tico e a aus&#xEA;ncia de &#xE9;steres naturais promoveram CA de 1,63&#xB1;0,02. Em caprinos, verificou-se que o aleitamento, seja com leite de cabra ou de vaca, promove igualmente uma melhor CA, respectivamente, no grupo de 60 e 90 dias, de 1,29&#xB1;0,14 e 1,79&#xB1;0,11, sugerindo que o aleitamento seja feito at&#xE9; os 60 dias. Em su&#xED;nos, a dieta com maior n&#xED;vel de energia metaboliz&#xE1;vel e amino&#xE1;cidos foi a que promoveu a melhor CA (2,86&#xB1;0,07), quando comparada a uma dieta com n&#xED;vel nutricional mais baixo. J&#xE1; o uso de enzimas na dieta com menor n&#xED;vel energ&#xE9;tico e de amino&#xE1;cidos proporcionou resultado intermedi&#xE1;rio (2,90&#xB1;007). Em bovinos, observou-se que o uso de 1% de concentrado na dieta promoveria uma melhor CA estimada de 7,33&#xB1;0,35 entre os Nelores e que essa
promo&#xE7;&#xE3;o seria de 7,40&#xB1;0,58 entre os cruzados com o uso de 2% de concentrado na dieta.


Palavras-chave: desempenho nutricional, infer&#xEA;ncia, MCMC, multivariada, produ&#xE7;&#xE3;o animal </subfield>
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ABSTRACT - The aim of this study was to evaluate the feed conversion (CA) by Bayesian inference in bivariate considering analyzes in real and simulated data. Different animal species experiments conducted at the Universidade Federal de Vi&#xE7;osa, state of Minas Gerais, Brazil are used. The proposed model proved to be appropriate once it enabled the detection of significant differences between levels of factors not detected by frequentist procedures with traditional ANOVA, especially in small samples. In the experiment with quails, it became clear that the birds&#x2019; brute protein levels were 23% and 29%, respectively, for males and females, which presented better CA, 2.83&#xB1;0.03 and 2.66&#xB1;0.03, respectively. In the experiment with chickens, the group without additive antibiotic, including 0.02% extract natural esters promoted the best CA (1.72&#xB1;0.01) and in general antibiotic absence of esters natural promoted 1.63&#xB1;0.02 of the CA. In goats, it has been found that feeding milk from cows or goats also promotes better CA, respectively, in groups milked up to 60 and 90 days, being 1.29&#xB1;0.14 and 1.79&#xB1;0.11, suggesting that suckling done until 60 days. Pigs fed the highest level of metabolizable energy and  aminoacids promoted the best CA (2.86&#xB1;0.07) compared to a diet with lower nutritional level. But the use of enzymes in the diet with lower energy level and amino acid provided intermediate result (2.90&#xB1;007). In cattle, it was observed that the use of 1% concentrate diet, CA, promotes a better estimate of 7.33&#xB1;0.35 between Nellore and this promotion would be 7.40&#xB1;0.58 between the cross breeds using 2% concentrate diet.


Keywords: animal production, inference, nutritional performance, MCMC, multivariate</subfield>
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  <datafield tag="650" ind1=" " ind2=" ">
    <subfield code="a">CODORNA</subfield>
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    <subfield code="a">FRANGO</subfield>
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    <subfield code="a">CAPRINO</subfield>
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    <subfield code="a">PRODU&#xC7;&#xC3;O ANIMAL</subfield>
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    <subfield code="a">GANHO DE PESO</subfield>
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    <subfield code="a">CONVERS&#xC3;O ALIMENTAR</subfield>
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    <subfield code="a">M&#xC9;TODO ESTAT&#xCD;STICO</subfield>
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    <subfield code="0">1643</subfield>
    <subfield code="9">347390</subfield>
    <subfield code="d">Belo Horizonte-MG Universidade Federal de Minas Gerais - Escola de Veterinaria 1983</subfield>
    <subfield code="o">2024-8403</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. 68(2) p. 466-474; (2016)</subfield>
    <subfield code="w">BR2024004426</subfield>
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    <subfield code="u">https://www.scielo.br/j/abmvz/a/sLsMbcYy3cDsB4bfqmMKLmb/?format=pdf&amp;lang=pt</subfield>
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