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Forage botanical and chemical composition on dairy farms with different grassland systems and production systems

Adler, Steffen and Steinshamn, Håvard (2010) Forage botanical and chemical composition on dairy farms with different grassland systems and production systems. In: Schnyder, H.; Isselstein, J.; Taube, F.; Auerswald, K.; Schellberg, J.; Wachendorf, M.; Herrmann, A.; Gierus, M.; Wrage, N. and Hopkins, A. (Eds.) Grassland in a changing world. Proceedings of the 23th General Meeting of the European Grassland Federation, 15, Grassland Science in Europe, pp. 446-448.

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Summary in the original language of the document

Thirty-two dairy farms in Middle-Norway with different grassland systems (short-term (<4 years) grassland (S) or long-term (>7 years) grassland (L)) and different production systems (organic (O) or conventional (C)) were compared in a field study in 2007. In a principal component analysis on variables including farm details, botanical composition and chemical forage composition, the farms were separated into organic and conventional farms with the exception of one farm. Amongst the organic farms most SO farms were distinguished from LO farms. Concentration of forage crude protein was positively correlated with proportion of grass. Concentration of non-fibrous carbohydrates, in vitro digestibility and net energy lactation was positively correlated with proportion of legumes. Species diversity and cutting time at first cut was positively correlated with proportion of non-legume herbs


EPrint Type:Conference paper, poster, etc.
Type of presentation:Poster
Keywords:Grassland system, production system, botanical composition, dairy farming, feed composition, ORGMILK
Subjects: Animal husbandry > Production systems > Dairy cattle
Crop husbandry > Production systems > Pasture and forage crops
Research affiliation: Norway > Bioforsk - Norwegian Institute for Agriculture and Environmental Research > Bioforsk Organic Food and Farming Division
ISBN:978-3-86944-021-7
Deposited By: Steinshamn, Dr Håvard
ID Code:17497
Deposited On:04 Nov 2010 13:25
Last Modified:04 Nov 2010 13:25
Document Language:English
Status:Published
Refereed:Peer-reviewed and accepted

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