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Stall- und weidebasierte Milchproduktionssysteme Analysen zur Lebensmittelkonversionseffizienz

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Steinwidder, Andreas; Frey, H.; Hofstetter, Pius; Gazzarin, C. and Starz, Walter (2017) Stall- und weidebasierte Milchproduktionssysteme Analysen zur Lebensmittelkonversionseffizienz. Paper at: 14. Wissenschaftstagung Ökologischer Landbau, Campus Weihenstephan, Freising-Weihenstephan, 07.-10. März 2017.

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Summary

Reducing the amount of human-edible feed in livestock diets is a key factor towards more sustainable livestock systems. Based on results from a conventional wholesystem study comparing performance, efficiency, land productivity, and profitability of an indoor-feeding system (SH) and a pasture-based dairy production system (VW) in lowlands of Central Switzerland, the net contribution of these systems to human food protein and energy supply was analysed. Depending on the presumed human-edible fraction, the system VW produced between 6.6 and 11.2 times more human-edible
protein and 3.5 to 6.6 times more human-edible energy via animal products than the animals consumed via feeds. For the group SH, these factors were clearly lower but still in a positive range (1.0 to 2.5 and 0.9 and 1.9 for protein and energy respectively). In addition, protein quality in the animal products was considerable higher than protein
quality in the potentially human-edible feed components.


EPrint Type:Conference paper, poster, etc.
Type of presentation:Paper
Keywords:food efficiency, feeding, dairy cows, concentrate, feed no food, pasture, Milchproduktionssysteme, Lebensmittelkonversionseffizienz
Subjects: Animal husbandry > Production systems > Dairy cattle
Food systems > Food security, food quality and human health
Research affiliation: Austria > HBLFA Raumberg-Gumpenstein
Switzerland > Agroscope
International Conferences > 2017: Scientific Conference German Speaking Countries > Animal husbandry
Switzerland > Other organizations
ISBN:978-3-89574-925-4
Deposited By: Hasreiter, Anna
ID Code:31864
Deposited On:04 Jul 2017 17:22
Last Modified:04 Jul 2017 17:22
Document Language:German/Deutsch
Status:Published
Refereed:Peer-reviewed and accepted
Additional Publishing Information:Dieser Beitrag ist im Tagungsband der 14. Wissenschaftstagung erschienen.
S. Wolfrum, H. Heuwinkel, H.J. Reents, u.a. (Hrsg.) (2017): Ökologischen Landbau weiterdenken - Verantwortung übernehmen - Vertrauen stärken. Beiträge der 14. Wissenschaftstagung Ökologischer Landbau, Freising-Weihenstephan, 7.-10. März 2017
Verlag Dr. Köster, Berlin

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