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Ciência Rural

On-line version ISSN 1678-4596


SILVEIRA, Vicente Celestino Pires et al. Lamb growth simulation through Pampa Corte model adapted to sheep. Cienc. Rural [online]. 2012, vol.42, n.11, pp.2066-2070.  Epub Sep 11, 2012. ISSN 1678-4596.

The Pampa-Corte model developed to simulate growth of beef cattle was adapted to simulate lamb growth. This paper has the objective to describe the main modifications and the fitness of model in the simulations of lamb growth. To validate the model two datasets from Centro de Investigación y Tecnología Agroalimentaria de Aragón (Zaragoza, Spain) were used. The first one used data from 29 male and 10 female lambs of Rasa Aragonesa breed born in spring of years 2005, 2006 and 2008. The second data came from 32 male lambs of Churra Tensina breed born in spring of years 2004 and 2007. The model showed good fit between observed and simulated data in intensive finishing lamb systems, although small deviations were observed after slaughtering the first animals that reached the commercial live-weight (LW) of 22kg.

Keywords : animal model; intensive finishing system; sheep model.

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