2011
DOI: 10.1590/s1516-35982011001000016
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Equações de predição para estimar os valores da EMAn de alimentos proteicos para aves utilizando a meta-análise

Abstract: Este trabalho foi realizado para se obter uma equação de predição para estimar os valores de energia metabolizável aparente corrigida (EMAn) dos alimentos proteicos usualmente utilizados em rações para frangos de corte utilizando-se o princípio da meta-análise. Realizou-se uma revisão bibliográfica de estudos no Brasil para catalogar informações sobre valores de EMAn e composição química dos alimentos: proteína bruta (PB), extrato etéreo (EE), matéria mineral (MM), fibra bruta (FB), fibra em detergente neutro … Show more

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Cited by 5 publications
(4 citation statements)
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References 10 publications
(13 reference statements)
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“…Because AMEn is influenced by various factors, the choice of variables that might be part of the AMEn prediction model should respect the highest correlation coefficient that will exert an influence upon AMEn, but the ease of using this equation should also be considered. Additionally, models comprising a large number of variables may become complex, since some chemical analyses, which are not easily available, may often prevent the use of equations (Nascimento et al, 2011).…”
Section: Discussionmentioning
confidence: 99%
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“…Because AMEn is influenced by various factors, the choice of variables that might be part of the AMEn prediction model should respect the highest correlation coefficient that will exert an influence upon AMEn, but the ease of using this equation should also be considered. Additionally, models comprising a large number of variables may become complex, since some chemical analyses, which are not easily available, may often prevent the use of equations (Nascimento et al, 2011).…”
Section: Discussionmentioning
confidence: 99%
“…To obtain a single prediction equation to estimate the AMEn values of protein vegetable feedstuffs commonly used in broiler diets, Nascimento et al (2011) conducted a bibliographic review with Brazilian articles cataloguing information on the AMEn values and chemical composition of ingredients. In their review, the best fitting equation to estimate AMEn of protein feedstuffs was AMEn = 2,707.71 + 58.63 EE -16.06 NDF (R 2 = 0.8100).…”
Section: Discussionmentioning
confidence: 99%
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“…Among the constituents of feed, the soluble carbohydrates, lipids, amino acids and part of the dietary fiber supply energy to the organism; but not all the energy produced by oxidation of the nutrients can be used (SAKOMURA; ROSTAGNO, 2007). Depending on chemical composition therefore, the ingredients used in the formulation of diets for pigs may have varying energy values, and it is important to evaluate them in order to provide proper balance in the diets (NASCIMENTO et al, 2011). However, the efficiency of the method for formulating the diet is dependent on the accuracy with which the energy of the feed is determined (SILVA et al, 2003).…”
Section: Introductionmentioning
confidence: 99%