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Ciência Rural
Article . 1996
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Componentes do peso vivo em cordeiros da raça Corriedale Study of the live weight components in Corriedale lambs

Authors: José Carlos Osório; Pedro Osório Jardim; Marcelo Pimentel; Juvêncio Pouey; Werner E. Lüder; Clóvis José Ávila;

Componentes do peso vivo em cordeiros da raça Corriedale Study of the live weight components in Corriedale lambs

Abstract

Objetivando subsídio para uma comercialização baseada no animal como um todo, o presente estudo compara os componentes do peso vivo de cordeiros machos castrados e fêmeas, da raça Corriedale, abatidos em três épocas/idade. Foram abatidos 60 cordeiros, criados em condições extensivas de campo nativo na região de Aceguá, município de Bagé-RS-Brasil. Os cordeiros nasceram no mês de agosto de 1994 e foram abatidos em 03/04/95 (10 machos e 10 fêmeas), 08/05/95 (10 machos e 10 fêmeas) e em 05/06/95 (10 machos e 10 fêmeas); tendo como critério de escolha para abate os cordeiros mais pesados. Em valores absolutos, kg, a época/idade de abate influiu sobre o peso vivo, carcaça, vísceras verdes, cabeça, patas, pulmões com traquéia, coração e rins; sendo que em percentagem em relação ao peso vivo, a época/idade afetou o pelego, cabeça, pulmões com traquéia, coração e rins. Os cordeiros abatidos em abril apresentaram um peso vivo e de carcaça superiores aos abatidos em maio e estes superiores aos abatidos em junho. Os cordeiros mais pesados, com exceção do coração, apresentaram maiores pesos de seus componentes. Foi verificado um efeito de sexo sobre o peso vivo, vísceras verdes, cabeça, patas, fígado e rins, em valores absolutos. Em valores percentuais, o efeito foi detectado para vísceras verdes, patas e fígado. Tanto em valores absolutos como percentuais, os machos foram superiores as fêmeas. Conclui-se que existe um efeito individual altamente significativo sobre o peso vivo e seus componentes; assim como, o sexo também é um fator que deve ser considerado para obtenção de carcaças uniformes, aspecto importante para a comercialização e colocação do produto no mercado.In order to obtain subsidies to a retail system based on the whole animal, this study compares the weight of live components of lambs, male (castrated) and female, of the Corriedale breed, at three different slaughter ages. Animais were raised under range conditions on native pasture, at Aceguá region, Bagé county in southern Brazil. Sixteen lambs (60) bom in August 1994 and slaughtered twenty at a time (10 males + 10 females), choosing always the heaviest ones, at the following ages: 03/04/95, 08/05/95 and 05/05/95. There was a siaughtering time effect upon live weight and its components. In absoluto values (kg) slaughtering time influenced live weight, carcass weight, green víscera, head, legs, lungs with trachea, hearth and kidneys. It carne out that animais slaughtered in the first group (April) showed a heavier live and carcass weight than those slaughtered in the second group (May) and these were heavier than the ones slaughtered in the third group (June). The heaviest lambs, with exception of the hearth, showed higher weights of their body components. There was a sex effect too, upon live weight, green víscera, head, legs, tiver and kidneys. In either, absoluto or percentile values, males were heavier than females. It is concluded that slaughter time and sex of the individuais are elements to be considered to obtain uniform carcasses. an importam aspect to retail and acceptance by the consumer.

Keywords

sheep, efeito sexo, S, Agriculture (General), ovinos, effect sex, Agriculture, componentes do peso vivo, live weight components, S1-972

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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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