valores energéticos de alguns alimentos utilizados em rações para codornas japonesas energy values of some feeds used in the japanese quails diets

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ID: 247602
2007
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Abstract
O experimento foi conduzido para determinar os valores energéticos de 12 alimentos para codornas japonesas. Utilizaram-se 280 codornas com 19 semanas de idade, submetidas ao método de coleta total de excretas, em delineamento em blocos casualizados, com dez codornas por unidade experimental. O período experimental teve 32 dias de duração, dividido em quatro ensaios de oito dias, nos quais foram estudados dois grupos de alimentos (protéicos e energéticos), com cinco repetições cada um. Os grupos constaram de alimentos protéicos de origem animal (farinha de carne e ossos, farinha de peixe e farinha de penas e vísceras) e vegetal (farelos de soja 1 e 2) e alimentos energéticos de origem vegetal (milheto, sorgo e farelo de arroz integral) e óleo e gorduras (óleo de soja refinado, gordura de aves, sebo bovino e gordura de suínos). Os alimentos substituíram a ração-referência, à base de milho e farelo de soja, em 20% (protéicos de origem animal), 30% (protéicos de origem vegetal), 40% (energéticos de origem vegetal) e 10% (óleo e gorduras) na matéria natural (MN). Foram avaliados os valores de energia metabolizável aparente (EMA) e verdadeira (EMV) corrigidos pelo balanço de nitrogênio (EMAn e EMVn), e os coeficientes de metabolização da energia bruta (CMEB). As fontes protéicas estudadas, à exceção da farinha de penas e vísceras, apresentaram valores de EMAn superiores aos encontrados nas tabelas brasileiras para aves e suínos; a farinha de carne e ossos apresentou o maior CMEB (74,06%) e a de penas e vísceras, o menor (56,24%). Os alimentos energéticos avaliados, à exceção do sorgo, apresentaram valores de EMAn superiores aos referenciados nas tabelas brasileiras; o óleo de soja refinado e a gordura de suínos tiveram os maiores CMEB (95,81 e 93,32%, respectivamente), enquanto o farelo de arroz integral apresentou o mais baixo CMEB (61,13%).
The experiment was conducted to determine the energy values of 12 feeds for Japanese quails. Two hundred and eighty quails averaging 19 weeks old were submitted to the method of total feces collection as a randomized block design, with ten quails per experimental unit. The experimental period lasted 32 days, divided into four trials of eight days each, where two groups of feeds were studied (protein and energetic), with five replicates each: protein of animal origin (meat and bone meal, fish meal and feather and viscera meal) and plant (soybean meals 1 and 2), as well as energetic feeds of plant origin (millet, sorghum and whole rice bran) and oil and fats (refined soybean oil, poultry fat, beef tallow and swine fat). The feeds replaced the reference diet (corn, soybean meal-based diet), as-fed, in 20% (protein of animal origin), 30% (protein of plant origin), 40% (energetic of plant origin) and 10% (oil and fats). The values of apparent metabolizable energy (AME), true (TME), AME and TME corrected by nitrogen balance (AMEn and TMEn), as well as the metabolization coefficients of gross energy (MGEC) were the analyzed variables. The protein sources, with the exception of feather and viscera meal, had values of AMEn higher than those of the Brazilian tables for poultry and swine, meat and bone meal showed the greatest MGEC (74.06%), while feather and viscera meal, the lowest (56.24%). The energetic feeds, with exception of sorghum, showed higher values of AMEn than those cited by the Brazilian tables for poultry and swine, and both refined soybean oil and swine fat had the highest MGEC (95.81% and 93.32%, respectively), while whole rice bran, the lowest (61.13%).
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gomes2007revistavalores Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Fábio Augusto Gomes, Édison José Fassani, Paulo Borges Rodrigues, José Cleto da Silva Filho
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Journal european journal of lipid science and technology
Year 2007
DOI
10.1590/S1516-35982007000200017
URL
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982007000200017
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