Prediction the metabolizable energy of most wheat cultivars of Alborz province with a multiple regression equation

Document Type : Research Paper

Authors

1 M.Sc. Student of Animal Nutrition, Department of Animal Science, University College of Agriculture and Natural resources, University of Tehran, Karaj, Iran

2 Associate Professor of Poultry Nutritionist, Department of Animal Science, University College of Agriculture and Natural resources, University of Tehran, Karaj, Iran

3 Assistant Professor, Department of Animal Science, University College of Agriculture and Natural resources, University of Tehran, Karaj, Iran

4 Former M. Sc. Student, Department of Animal Science, University College of Agriculture and Natural resources, University of Tehran, Karaj, Iran

Abstract

This study was conducted to determine regression equations for the prediction metabolizable energy value corrected for zero nitrogen retention (AMEn) in 12 wheat cultivars (mahdavi, chamran, sabalan, sepahan, sivand, alamoot, sholeh, neishaboor, pishtaz, bahar, shiraz and shahpasand) Cultured in Alborz province of Iran. Chromic oxide marker bioassay was used to determine wheat cultivars nitrogen-corrected AME (AMEn) content for adult roosters. The experimental diets were composed of 40% of test sample and the remaining 60% was a combination of other ingredients held constant across diets. AMEn value of the test samples were calculated and related to their chemical composition by regression analysis with SPSS software. The result of multiple regression equations was shown that CF and Starch are the best factors for prediction of AMEn. The equation for prediction of AMEn based on chemical composition was:
 AMEn wheat (Kcal/Kg of DM) = 69 STA - 1028 CF.

Keywords

References

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Iranian Journal of animal Science
Volume 46, Issue 4 - Serial Number 4
January 2016
Pages 379-388

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History

  • Receive Date: 18 December 2013
  • Revise Date: 18 April 2015
  • Accept Date: 01 September 2015

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