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Revista Brasileira de Zootecnia

On-line version ISSN 1806-9290

Abstract

GARCIA, Iraides Ferreira Furusho et al. Performance and carcass characteristics of Santa Inês pure lambs and crosses with Dorper e Texel at different management systems. R. Bras. Zootec. [online]. 2010, vol.39, n.6, pp.1313-1321. ISSN 1806-9290.  https://doi.org/10.1590/S1516-35982010000600021.

It was evaluated the performance and the carcass characteristics of 36 non-castrated male lambs, Santa Inês purebreed and crossbreeds from Dorper × Santa Inês and Texel × Santa Inês, managed in three different systems (intensive, semi-intensive and extensive), slaughtered at 38.41 ± 1.24 kg. It was observed the highest weight gain for lambs reared in intensive system, which also showed the greatest carcass yield. The management systems did not influence carcass measures of animals in intensive system much because of the greater weight of the carcass. The intensive system provided the best performance, regardless the genetic group. The use of Texel and Dorper breeds in crossings with Santa Inês increases carcass yield.

Keywords : crossing; cuts; meat; sheep; weight gain.

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