Eco-efficiency of grass-based dairy systems in Switzerland

Alig, M.; Sutter, Michael; Nemecek, T. (2015). Eco-efficiency of grass-based dairy systems in Switzerland In: Proceedings of the 18th Symposium of the European Grassland Federation (EGF 2015). Grassland Science in Europe: Vol. 20 (pp. 380-382). Wageningen, The Netherlands: Wageningen Academic Publishers

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Grassland covers 70% of the Swiss agricultural area, resulting in a large proportion of grass in the diet of Swiss dairy cows. In recent years, an increase in milk yield has been achieved, which has led to an increasing use of concentrates. The Federal Office for Agriculture has started to subsidize the inclusion of a large proportion of grass in the ration of ruminants. In two studies we assessed the environmental performance of dairy systems with different proportions of grass in the ration, by life cycle analysis according to SALCA. The comparison of the Swiss dairy system, with low use of concentrates, with systems in France, Germany and Italy showed that despite the lower milk yield and concentrate input, the Swiss system performed equally or better in all environmental impacts analysed, with the exception of land use. In the comparison of an intensive and a pasture-based dairy system within Switzerland the pasture herd performed equally or better for most environmental impacts with the exception of global warming, ozone formation and land occupation. This shows that despite the lower milk yield, grass-based systems can be eco-efficient.

Item Type:

Conference or Workshop Item (Paper)

Division/Institute:

School of Agricultural, Forest and Food Sciences HAFL > Resource-efficient agricultural production systems
School of Agricultural, Forest and Food Sciences HAFL > Agriculture

Name:

Alig, M.;
Sutter, Michael and
Nemecek, T.

Subjects:

S Agriculture > S Agriculture (General)

ISBN:

978-9090-289-61-8

Series:

Grassland Science in Europe

Publisher:

Wageningen Academic Publishers

Language:

English

Submitter:

Admin import user

Date Deposited:

05 Mar 2020 14:11

Last Modified:

05 Mar 2020 14:11

Uncontrolled Keywords:

LCA, environmental performance, pasture-based milk production, Switzerland

ARBOR DOI:

10.24451/arbor.7338

URI:

https://arbor.bfh.ch/id/eprint/7338

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