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Feed evaluation and formulation to maximise nutritional efficiency in dairy cattle

Code: 9781838791667
Pekka Huhtanen, Swedish University of Agricultural Sciences, Sweden

Chapter synopsis: This chapter reviews the evaluation of energy and protein value of ruminants’ feedstuffs. It emphasises the importance of accurately estimating feeding values to optimise production. The chapter discusses experimental methods and models used to evaluate the energy and protein values of feeds. The advantages and weaknesses of static empirical models and dynamic mechanistic models are discussed. The chapter emphasises the need to evaluate models using large data sets from productions studies to improve the accuracy of predictions of production responses.

DOI: 10.19103/AS.2016.0006.10
Table of contents 1 Introduction 2 Evaluation of feed energy value 3 Alternative methods to predict digestibility and energy value 4 Discounts of digestibility and associative effects 5 Conversion of digestible nutrients to metabolisable energy and net energy concentration 6 Evaluation of feed protein value 7 Estimation of microbial protein 8 Determination of rumen undegraded protein 9 Evaluation of feed protein systems 10 Summary and future perspectives 11 Where to look for further information 12 References

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