Validating prediction equations of metabolizable energy of soybean meal for growing pigs

Authors

  • Tiago Junior Pasquetti Universidade Estadual de Mato Grosso do Sul
  • Paulo Cesar Pozza Universidade Estadual de Maringá
  • Newton Tavares Escocard de Oliveira Universidade Estadual do Oeste do Paraná
  • Ricardo Vianna Nunes Universidade Estadual do Oeste do Paraná
  • Doglas Batista Lazzeri Granja Santista Horn
  • Leandro Dalcin Castilha Universidade Estadual do Oeste do Paraná

DOI:

https://doi.org/10.5433/1679-0359.2015v36n6Supl2p4541

Keywords:

Chemical composition, Linear regression, Validation.

Abstract

The aim of this study was to evaluate equations to predict the metabolizable energy (ME) of soybean meal (SBM) for swine. Seven SBM were used, which were analyzed for dry matter, crude protein, ether extract, neutral detergent fiber (NDF), acid detergent fiber (ADF), ash, calcium, phosphorus, solubility in potassium hydroxide (KOH) and urease index. To determine the ME of SBM, 32 barrows, with an average initial weight of 29.01 ± 3.64 kg, were used and distributed in a randomized blocks design, with seven treatments and four replicates. To validate the prediction equations, linear regression models were adjusted, using observed values of ME (metabolism trial) as a function of the estimated ME (obtained by applying the chemical composition of the SBM in selected equations found in the literature). The existence of regression was evaluated by the “t” test, partially applied to each parameter (?0 and ?1). The validation of the prediction models of first degree was obtained by accepting the joint null hypothesis ?0 = 0 and ?1 = 1. The equations ME = 5.42 - 17.2FDN - 19.4MM + 0.709GE and ME= 1099 + 0.740GE - 5.5MM - 3.7NDF are effective for estimating the ME of SBM for growing pigs.

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Author Biographies

Tiago Junior Pasquetti, Universidade Estadual de Mato Grosso do Sul

Prof., Deptº de Zootecnia, Universidade Estadual de Mato Grosso do Sul, UEMS, Aquidauana, MS, Brasil.

Paulo Cesar Pozza, Universidade Estadual de Maringá

Prof., Deptº de Zootecnia, Universidade Estadual de Maringá, UEM, Maringá, PR, Brasil. 

Newton Tavares Escocard de Oliveira, Universidade Estadual do Oeste do Paraná

Prof., Deptº de Zootecnia, Universidade Estadual do Oeste do Paraná, UNIOESTE, Marechal Cândido Rondon, PR, Brasil.

Ricardo Vianna Nunes, Universidade Estadual do Oeste do Paraná

Prof., Deptº de Zootecnia, Universidade Estadual do Oeste do Paraná, UNIOESTE, Marechal Cândido Rondon, PR, Brasil.

Doglas Batista Lazzeri, Granja Santista Horn

M.e em Zootecnia, Granja Santista Horn, Marechal Cândido Rondon, PR, Brasil. 

Leandro Dalcin Castilha, Universidade Estadual do Oeste do Paraná

Pós-Doutorando, Programa de Pós-Graduação em Zootecnia, Universidade Estadual do Oeste do Paraná, UNIOESTE, Marechal Cândido Rondon, PR, Brasil. 

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Published

2015-12-16

How to Cite

Pasquetti, T. J., Pozza, P. C., Oliveira, N. T. E. de, Nunes, R. V., Lazzeri, D. B., & Castilha, L. D. (2015). Validating prediction equations of metabolizable energy of soybean meal for growing pigs. Semina: Ciências Agrárias, 36(6Supl2), 4541–4552. https://doi.org/10.5433/1679-0359.2015v36n6Supl2p4541

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