Desempenho em confinamento e componentes do peso vivo de cordeiros mestiços de três grupos genéticos

Ribeiro, Edson Luís de Azambuja; Oliveira, Humberto Cardoso; Castro, Filipe Alexandre Boscaro de; Mizubuti, Ivone Yurika; Silva, Leandro das Dôres Ferreira da; Barbosa, Marco Aurélio Alves de Freitas

doi:10.1590/s0103-84782009000700032

Cited by 6 publications

(1 citation statement)

References 8 publications

(6 reference statements)

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“…Most crossbreeding studies in Brazil are related to characteristics involving lamb growth (Malhado et al, 2009) and meat quality. The dam breed varies according to region with wool breeds being used in the South (Ribeiro et al, 2009) and Southeast and hair breeds being used in the Northeast and Centerwest, although hair breeds are also becoming more common in the Southeast (Furusho-Garcia et al, 2004). In these studies, rearing systems are also studied (Carvalho et al, 2005), comparing intensive and extensive systems and different sources of forage and protein (Carvalho et al, 2007) as well as sexual condition (Ribeiro et al, 2000).…”

Section: Crossbreedingmentioning

confidence: 99%

Genetics and breeding of sheep in Brazil

2010

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Studies in genetics and breeding of sheep in Brazil have increased significantly in recent years. These involve research in characterization, breeding and crossing sheep using new technologies available incorporating both classical quantitative and molecular genetics. Improvements in statistical techniques, computational resources as well as analysis of DNA and gaps in present knowledge and opportunities for possible research are pointed out. There is a need for greater interaction between various groups working in the country as well as interactions with other disciplines such as Geographical Information Systems, Statistics, Bioinformatics, as well as biological studies such as physiology and proteomics.

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Section: Crossbreedingmentioning

confidence: 99%

Genetics and breeding of sheep in Brazil

2010

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Indigenous sheep breeds in Brazil: potential role for contributing to the sustainability of production systems

Ribeiro

García

2016

Trop Anim Health Prod

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Brazil has vocation for food production, both vegetable and animal, with the sheep industry having an expanding activity. However, productivity rates are often bellowing the possibilities of the country. Here, the roles the native breeds may develop in this expanding activity are described. Breeds considered are the hair breeds Santa Inês, Morada Nova, Somális Brasileira, Cariri, and Rabo Largo, and the wool breeds Bergamácia Brasileira, Crioula Lanada, and Pantaneira. These breeds have arisen in environments that may be considered difficult for other (exotic) breeds, less adapted to the local conditions. The hair breeds emerged in a semi-arid environment, a hot and with low rainfall region, of the Northeast of Brazil. The Crioula Lanada is the only breed that originated in the South, in a subtropical region with cold winters. The genetic group Pantaneira had its origin in an environment with higher humidity, especially soil moisture. The Bergamácia Brasileira derived from the Italian Bergamasca breed, which was first introduced in northeastern Brazil. Animals from these breeds have been regarded as robust, with lower requirements for maintenance, resistant to worms, and easy to handle. On the other side, as they are generally smaller than the exotic breeds used for meat production, they are often considered as less productive. In this literature review, a possibility of valorizing them, both as purebred or in crossbreeding programs, especially for meat production is addressed. These breeds are part of the genetic, historical, and cultural heritage of Brazil, and if used properly, according to the different environments and production systems, they can also be very important in the development of the sheep industry.

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Desempenho e características de carcaça de cordeiros Santa Inês e suas cruzas com Dorper terminados em confinamento

Cartaxo

Sousa

Cézar

et al. 2017

Rev. bras. saúde prod. anim.

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RESUMO Objetivou-se avaliar o desempenho e características de cordeiros Santa Inês e suas cruzas desmamados aos 75 dias de vida e terminados em confinamento. Foram utilizados 30 cordeiros não castrados, 10 Santa Inês, 10 ½Dorper × ½Santa Inês e 10 ¾Dorper × ¼Santa Inês, com idade e peso vivo médio no início do experimento de 82 dias e 19,40 kg, respectivamente. Foi utilizada dieta única contendo 169,0 g/kg de proteína bruta e 2,80 Mcal/kg MS. Não houve efeito do genótipo sobre o desempenho dos cordeiros, exceto para escore corporal final, em que os mestiços Dorper alcançaram os maiores escores. As carcaças dos cordeiros ½Dorper × ½Santa Inês e ¾Dorper × ¼Santa Inês apresentaram maior largura da garupa, área de olho de lombo e percentual de lombo do que as carcaças dos cordeiros Santa Inês. As carcaças dos cordeiros ¾Dorper × ¼Santa Inês alcançaram maior largura do tórax e do anterior quando comparadas com as carcaças dos cordeiros Santa Inês, tendo obtido também melhor conformação e acabamento de carcaça quando comparadas com as carcaças dos demais genótipos. Entretanto, as carcaças dos cordeiros Santa Inês e ½Dorper × ½Santa Inês apresentaram maior percentual de pescoço em relação às carcaças dos cordeiros ¾Dorper × ¼Santa Inês.

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Desempenho em confinamento e componentes do peso vivo de cordeiros mestiços de três grupos genéticos

Abstract: The objective of this research was to evaluate the performance in feedlot and the production of carcass and noncarcass components of lambs from the genetic groups Texel x Hampshire Down (THD), Texel x Ile de France (TIF) and Texel x Suffolk (TS

Cited by 6 publications

References 8 publications

Genetics and breeding of sheep in Brazil

Genetics and breeding of sheep in Brazil

Indigenous sheep breeds in Brazil: potential role for contributing to the sustainability of production systems

Desempenho e características de carcaça de cordeiros Santa Inês e suas cruzas com Dorper terminados em confinamento

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