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NorFor -

The Nordic feed evaluation system

  • Book
  • © 2011

Overview

Editors:
  1. Harald Volden

    1. TINE and the Norwegian University of Life Sciences, Akershus, Norway

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  • Describes the NorFor system in detail: a semi-mechanistic feed evaluation system for cattle, which is used by advisors in Denmark, Iceland, Norway and Sweden
  • Summarizes the entire work of NorFor, including development and documentation Of significant interest to researchers, students and advisors of cattle nutrition and feed evaluation

Part of the book series: European Association for Animal Production (EAAP, volume 30)

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Table of contents (15 chapters)

  1. Front Matter

    Pages 1-20
    Download chapter PDF

  2. Introduction

    • H. Volden, A. H. Gustafsson
    Pages 21-22

  3. Overall model description

    • H. Volden
    Pages 23-25

  4. Animal input characteristics

    • M. Åkerlind, N. I. Nielsen, H. Volden
    Pages 27-32

  5. Feed fraction characteristics

    • H. Volden
    Pages 33-40

  6. Feed analyses and digestion methods

    • M. Åkerlind, M. Weisbjerg, T. Eriksson, R. Tøgersen, P. Udén, BL Ólafsson et al.
    Pages 41-54

  7. Feed calculations in NorFor

    • H. Volden
    Pages 55-58

  8. Digestion and metabolism in the gastrointestinal tract

    • H. Volden, M. Larsen
    Pages 59-80

  9. Energy and metabolizable protein supply

    • H. Volden, N. I. Nielsen
    Pages 81-84

  10. Animal requirements and recommendations

    • N. I. Nielsen, H. Volden
    Pages 85-111

  11. Prediction of voluntary feed intake

    • H. Volden, N. I Nielsen, M. Åkerlind, M. Larsen, Ø. Havrevoll, A. J. Rygh
    Pages 113-126

  12. Chewing index system for predicting physical structure of the diet

    • P. Nørgaard, E. Nadeau, Å. Randby, H. Volden
    Pages 127-132

  13. Prediction of milk yield, weight gain and utilisation of N, P and K

    • M. Åkerlind, H. Volden
    Pages 133-136

  14. Standard feed value

    • M. Åkerlind, H. Volden
    Pages 137-139

  15. System evaluation

    • H. Volden, N. I. Nielsen, M. Åkerlind, A. J. Rygh
    Pages 141-165

  16. The NorFor IT system, ration formulation and optimisation

    • H. Volden, H. D. Rokkjær, A. Göran, M. Åkerlind
    Pages 167-177

  17. Back Matter

    Pages 179-180
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About this book

NorFor is a semi-mechanistic feed evaluation system for cattle, which is used by advisors in Denmark, Iceland, Norway and Sweden. This book describes in detail the system and it covers five main sections. The first is concerned with information on feed characteristics, feed analysis and feed digestion methods. The second section describes the digestion and metabolism in the gastrointestinal tract and the supply and requirement of energy and metabolizable amino acids. The third section considers the prediction of feed intake and physical structure of the diet. The fourth section focuses on model evaluation and the final section provides information on the IT solutions and feed ration formulation by a non-linear economical optimization procedure. This book will be of significant interest to researchers, students and advisors of cattle nutrition and feed evaluation.

Editors and Affiliations

  • TINE and the Norwegian University of Life Sciences, Akershus, Norway

    Harald Volden

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