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Revista Brasileira de Zootecnia
Article . 2005
Data sources: DOAJ
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Valores de energia metabolizável de farinhas de penas e de vísceras determinados com diferentes níveis de inclusão e duas idades das aves Metabolizable energy values of feathers meal and poultry offal meal determined with different levels of inclusion and two poultry ages

Authors: Adriana Helena do Nascimento; Paulo Cezar Gomes; Horacio Santiago Rostagno; Luiz Fernando Teixeira Albino; Juarez Lopes Donzele;

Valores de energia metabolizável de farinhas de penas e de vísceras determinados com diferentes níveis de inclusão e duas idades das aves Metabolizable energy values of feathers meal and poultry offal meal determined with different levels of inclusion and two poultry ages

Abstract

Os valores de energia metabolizável das farinhas de vísceras e de penas com vários níveis de inclusão dos alimentos e em diferentes idades das aves foram determinados em um experimento com dez tratamentos, constituídos de uma ração-referência e de dez rações-teste, obtidas mediante a substituição da ração-referência por cinco níveis (5, 10, 20, 30 e 40%) de farinhas de vísceras e de penas. Os ensaios de metabolismo (coleta total de excretas) foram realizados em dois períodos (duas idades das aves); o primeiro iniciou-se com aves de 16 dias de idade e o segundo, quando as aves tinham 30 dias de idade. Com o aumento da inclusão do alimento-teste na ração, houve diminuição nos valores de energia do alimento. Os valores energia metabolizável aparente corrigida (EMAn) da farinha de vísceras foram de 3.442 e 3.209 kcal/kg e da farinha de penas, 3.219 e 3.323 kcal/kg, quando determinados com aves de 16 a 23 dias e 30 a 38 dias de idade, respectivamente.An experiment was carried out at Universidade Federal de Viçosa to determine the metabolizable energy values of different samples of feather meal and poultry by-product meal with different levels of inclusion and at different poultry ages. The ten treatments used to determine energy consisted of a reference diet and ten test diets, obtained with the replacement of reference diet by five levels (5, 10, 20, 30 and 40%) of feedstuffs. The metabolism trials (total fecal collection) were carried out in two periods (two poultry ages). The first period started when the chicks were 16 days old and the second one, with 30 days old. The feedstuffs energy values decreased as the inclusion level of test feed in the diet increased. The values of corrected apparent metabolizable energy of poultry offal meal mean were 3,442 and 3,209 kcal/kg and for feathers meal, 3,219 and 3,323 kcal/kg, when determined with chicks from 16 to 23 days and 30 to 38 days of age, respectively.

Keywords

poultry, metodologia, viscera meal, SF1-1100, Animal culture, energia metabolizável, feather meal, aves, metabolizable energy, farinha de penas, methodologies, farinha de vísceras

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
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