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Provedor de dados:  R. Bras. Zootec.
País:  Brazil
Título:  Optimized feed planning for a grazing horse production systems
Autores:  Oliveira,José Evandro Gervásio de
Soares,João Batista
Barioni,Luis Gustavo
Leite,Gilberto Gonçalves
Braga,Auro César
Menezes,Marcelo Espellet
Data:  2010-04-01
Ano:  2010
Palavras-chave:  Linear programming
Modeling
Ration balancing
Resumo:  The objective of this study was to develop an economically optimal plan for pasture production and supplementary feeding of horses. The plan was based on the optimization of a multiperiodic linear programming model with the objective of minimizing overall feeding costs, subject to the nutritional constraints of each horse category. The model encompasses a period of one year, from January to December, divided in bimonthly periods. Technical coefficients varied among periods based on local information regarding productivity of the forage crops, taking into account the local climatic conditions and seasonality of production. Literature data on feed nutritional value (crude protein and digestible energy), dry matter intake and nutritional requirements of the horses were also used as technical coefficients. Optimization results allow concluding that it is possible to reduce significantly the feeding costs in the horse production system by decreasing supplementation and substituting the commercial concentrate by the oat grain produced in the local.
Tipo:  Info:eu-repo/semantics/article
Idioma:  Inglês
Identificador:  http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982010000400030
Editor:  Sociedade Brasileira de Zootecnia
Relação:  10.1590/S1516-35982010000400030
Formato:  text/html
Fonte:  Revista Brasileira de Zootecnia v.39 n.4 2010
Direitos:  info:eu-repo/semantics/openAccess
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