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Exigências de proteína bruta e energia metabolizável para codornas japonesas machos criadas para a produção de carne

Authors: Oliveira, N.T.E.; Silva, M.A.; Soares, R.T.R.N.; Fonseca, J.B.; Thiebaut, J.T.L.; Fridrich, A.B.; Duarte, R.G.; +1 Authors

Exigências de proteína bruta e energia metabolizável para codornas japonesas machos criadas para a produção de carne

Abstract

O experimento objetivou estimar as exigências de proteína bruta (PB) e energia metabolizável (EM) para máximo desempenho de machos de codornas japonesas criadas para a produção de carne e determinação da idade de abate que resultasse em peso máximo das aves. Quatrocentos e cinqüenta codornas foram utilizadas em delineamento experimental de blocos ao acaso, com cinco repetições de seis codornas por unidade experimental. Os tratamentos, de dietas formuladas a partir da combinação de cinco níveis de PB (18, 20, 22, 24 e 26%) e três níveis de EM (2800, 3000 e 3200kcal/kg de ração), foram alocados nas parcelas e os quatro períodos experimentais nas sub-parcelas. As variáveis estudadas durante os quatro períodos (5 a 16; 16 a 27; 27 a 38 e 38 a 49 dias de idade) foram consumo de ração (CR), ganho de peso (GP), conversão alimentar (CA) e peso vivo (PV). No período total (5 a 49 dias de idade) foram estudados consumo de ração acumulado (CRA), ganho de peso acumulado (GPA) e conversão alimentar acumulada (CAA). As exigências estimadas de PB e EM durante o primeiro (5 a 16) e terceiro (27 a 38) períodos foram 26 e 2800 e 18% e 3200kcal/kg de ração, respectivamente. A exigência de PB no segundo período (16 a 27 dias de idade) foi de 26%, não sendo possível estimar a exigência energética. No quarto (38 a 49 dias de idade) período experimental a exigência estimada de EM foi de 3200kcal/kg de ração, não sendo possível estimar a exigência protéica. No período total as exigências protéica e energética, estimadas para máximos ganhos de peso acumulados, foram de 26% e 3200kcal/kg de ração, respectivamente. As idades estimadas que resultaram em PV máximo dependeram do nível de PB e de EM da dieta, variando de 57 a 85 e 60 a 74 dias, respectivamente.

Keywords

energia metabolizável, nutritional requirements, metabolizable energy, crude protein, Codorna japonesa, exigência nutricional, Japanese quails, SF1-1100, proteína bruta, Animal culture

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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!
8
Average
Top 10%
Average
Green
gold