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vol.58 issue221Archivos de Zootecnia: Editorial report 2008Performance of growing pullets fed cassava peel meal diet supplemented with cashew nut reject meal author indexsubject indexarticles search
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Archivos de Zootecnia

On-line version ISSN 1885-4494Print version ISSN 0004-0592


ZEA SALGUEIRO, J.; DIAZ DIAZ, M.D.  and  CARBALLO SANTAOLALLA, J.A.. Effect of finishing on carcass quality of young bulls and heiffers feeding silage. Arch. zootec. [online]. 2009, vol.58, n.221, pp.11-22. ISSN 1885-4494.

Three hundred males and 300 females, fed on the basis of grass or maize silages, were finished with 4 or 5 kg of concentrate or with concentrate ad libitum during 45 or 90 days. The males were slaughtered at 400 kg and females at 375 kg live weight. The carcass dressing increased with finishing. The improvement of the conformation that the finishing produced, is only shown in animals fed with grass silage (in females it was only with finishing of 90 days and concentrate ad libitum). Carcass fattening improves with finishing. In females it was only in the ones fed with grass silage. Kidney fat increased with finishing. Carcass composition was only affected in the grass content, which increased with the finishings (in males), in females it was only in the ones fed with grass silage. The improvements that produce the finishing in the carcass quality are modest and minor in the animals fed with maize silage than those fed with grass silage.

Keywords : Grass silage; Maize silage.

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