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Effects of dietary energy density on nutrient digestibility, performance and carcass characteristics of Morada Nova lambs
Efeitos da densidade de energia da dieta sobre a digestibilidade dos nutrientes, o desempenho e as características de carcaça de cordeiros Morada Nova

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Author(s): Marcus Roberto Goes Ferreira Costa | Elzânia Sales Pereira | Patrícia Guimarães Pimentel | Aderbal Marcos de Azevêdo Silva | Pedro Veiga Rodrigues Paulino | Ivone Yurika Mizubuti | Edson Luis de Azambuja Ribeiro | Andréa Pereria Pinto | Danilo de Araújo Camilo

Journal: Semina : Ciências Agrárias
ISSN 1676-546X

Volume: 34;
Issue: 3;
Start page: 1389;
Date: 2013;
Original page

Keywords: Digestibilidade | Crescimento | Relação volumoso: concentrado.

ABSTRACT
Effects of metabolizable energy (ME) levels were evaluated on nutrient digestibility and carcass characteristics in Morada Nova lambs. Forty Morada Nova lambs with initial weight of 12.2 ± 2.05 kg, were used. Five treatments were defined according to metabolizable energy (0.96; 1.28; 1.72; 2.18 and 2.62 Mcal/kg DM) levels. It was used a randomized block design. Animals were slaughtered when body weight mean (BW) of the group reached 25 kg. Linear effect was observed for digestibility coefficient of DM, OM, EE, CP, NDF, TC, FC and NFC. Daily weight gain (DWG) presented linear increase (P
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