Abstract
NorFor predicts ECM and protein yield for dairy cows and weight gain for growing cattle. Excretion of N, P and K can also be predicted for a given diet and production level. Keep track on excreted N, P and K are of interest when estimating plant fertilising value and also evaluating the impact of excreted N and P on eutrophication of the environment.
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ARC (Agricultural Reasearch Council), 1980. The nutrient requirements of ruminant livestock. Commonwealth Agricultural Bureaux, Slough, UK.
ISO 8968-5/IDF 020-5:2001. Milk - Determination of nitrogen content. International Dairy Federation, Brussels, Belgium.
Sjaunja, L.-O., L. Bævre, I. Junkkarainen, J. Pedersen and J. Setälä, 1990. A Nordic proposition for an energy corrected milk (ECM) formula. 26th session of the International Committee for recording the productivity of Milk Animals (ICRPMA).
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Åkerlind, M., Volden, H. (2011). Prediction of milk yield, weight gain and utilisation of N, P and K. In: Volden, H. (eds) NorFor - The Nordic feed evaluation system. EAAP – European Federation of Animal Science, vol 30. Wageningen Academic Publishers, Wageningen. https://doi.org/10.3920/978-90-8686-718-9_12
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DOI: https://doi.org/10.3920/978-90-8686-718-9_12
Publisher Name: Wageningen Academic Publishers, Wageningen
Online ISBN: 978-90-8686-718-9
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