Baars Ton

Publications

Publications Organic Eprints

Publications non archivées à Organic Eprints

PhD-Thesis

• Baars, T. (2002): Reconciling scientific approaches for organic farming research; Volume I: Reflection on research methods in organic grassland and animal production at the Louis Bolk Institute, The Netherlands and Volume II: Effects of manure types and white clover (Trifolium repens) cultivars on the productivity of grass-clover mixtures grown on a humid sandy soil. Louis Bolk Institute, The Netherlands. PhD-thesis, Wageningen University, pp. 346 (www.louisbolk.nl/downloads/g38/index.htm )

Published books or book chapters

• Baars, T. (1992): Biologische melkveehouderij. Praktijkreeks Veehouderij, Misset, Doetinchem. pp. 88 (Translation: Organic dairy farming, a handbook)
• Baars, T. (1993): Een visie op fokkerij in het licht van genetische manipulatie. In: Van der Wal, J. en  Lammerts van Bueren, E.T. (eds). Zit er toekomst in ons DNA? (Translation: vision on animal breeding with regard to genetic modification)
• Schils, R.L.M., Baars T. en Snijders, P.J.M. (1997): Witte klaver in grasland, teelt, gebruik en bedrijfsvoering. Praktijkonderzoek Rundvee, Schapen en Paarden and Louis Bolk Instituut, pp. 59. (Translation: White clover in grassland: cultivator, use and management; a handbook)
• Baars, T. en De Vries, A. (eds) (1999): De boer als ervaringswetenschapper. Elsevier, Doetinchem, The Netherlands (Translation: The farmer as an experiential scientist, a methodological handbook)
• Baars, T. Wagenaar J.P. Paddel S. and Lockeretz W. (2004): The role of animals in farming systems: a historical perspective. In: Vaarst, M. Roderick, S. Lund, V and Lockeretz, W. (eds): Animal health and Welfare in Organic Agriculture, CABI Publishing, UK, 13-28.
• Younie, D. and  Baars, T. (2004): Organic Grassland: Principles, Practices and Potential. In: Organic grassland management. FAO, Rome.
• Smolders, E.A.A. en Baars, T. (2004): Handboek uiergezondheid biologische melkveehouderij. Praktijkonderzoek Rundvee, Schapen en Paarden and Louis Bolk Instituut. (Handbook for organic udder health)
• Baars, T. Schmidt, G. und Olbrich-Majer, M. (2005): Linienzucht mit Kuhfamilien, Basis für eine biologische Rinderzucht. Verlag Lebendige Erde, 158 pp
• Baars, T. (2008): Natuurlijk eten, drie visies. In: De Hoop, J. en Kooistra Y. (eindredactie). Boeren met smaak, biologische pioniers met hart & ziel. PENN Uitgeverij, Leeuwarden, 36-41 (Natural eating, three visions)
• Baars, T. Kusche, D. und Werren, D. (eds.) (2009): Erforschung des Lebendigen. An der Grenzen herkömmlicher Wissenschaft. Verlag Lebendige Erde, Darmstadt (285 pp).
• Baars, T. (2009): Forschung am Lebendigen gestalten. In: Baars, T. Kusche, D. und Werren, D. (eds.) Erforschung des Lebendigen. An der Grenzen herkömmlicher Wissenschaft. Verlag Lebendige Erde, Darmstadt, 11-26.
• Baars, T. (2009): Erfahrungswissenschaft und Entscheidungstreffen von Experten. In: Baars, T. Kusche, D. und Werren, D. (eds.) Erforschung des Lebendigen. An der Grenzen herkömmlicher Wissenschaft. Verlag Lebendige Erde, Darmstadt, 150-159

In peer reviewed journals

• Offerhaus, E. Grommers F.J. en Baars T. (1995): Gezondheid en vruchtbaarheid op biologische melkveebedrijven (health and fertility in organic dairy farming) Tijdschrift voor Diergeneeskunde, NL
• Vereijken, J.F.H.M. Van Gelder, T. and Baars, T. (1997): Nature and landscape development on bio-dynamic farms - Farm-individuality as an aim. Elemente der Naturwissenschaft, 1995, 63, vol. 2, 14-37 and In: Van Mansvelt, J.D. (ed) (1997): Agriculture, ecosystems and environment, Elsevier, 63, 201-220
• Verhoog, H. Matze, M. Lammerts van Bueren, E. and Baars, T. (2003): The role of the concept of natural (naturalness) in organic farming. Journal of Agricultural and Environmental Ethics, 16, 29-49
• Ellinger, L. und Baars, T. (2003): Das Forschungskonzept Homöopathie am Louis Bolk Institut. Ganzheitliche Tiermedizin, 17, 156-158
• Nauta, W.J. Groen, A.F. Veerkamp, R.F. Roep, D. and Baars, T. (2004): Animal Breeding in Organic Dairy Farming - inventory of farmers views and implications to overcome. Journal of Agricultural science, The Netherlands
• Nauta, W.J. Groen, A.F. Veerkamp, R.F. Roep, D. and Baars, T. (2005): Animal Breeding in Organic Dairy Farming - inventory of farmers' views and implications to overcome. NJAS, Wageningen Journal of Life Sciences, The Netherlands, Vol. 53, No.1, 19-34.
• Nauta, W.J. Baars, T. Bovenhuis, H. (2006): Converting to organic dairy farming. consequences for production, somatic cell weights and calving interval of first parity Holstein cows. Livestock Science, 99, 185-195.
• Verhoog, H. Lammerts Van Bueren, E.T. Matze, M. Baars, T. (2007): The value of ‘naturalness’ in organic agriculture. NJAS, Wageningen Journal of Life Sciences, 54, no 4, 333-345.
• Baars, E. and Baars, T. (2007): Towards a philosophical underpinning of the holistic concept of integrity of organisms. NJAS, Wageningen Journal of Life Sciences, 54, no 4, 463-477.
• Bloksma, J. Adriaansen-Tennekes, R. Huber, M. Van de Vijver, L.P.L. Baars, T. and De Wit, J. (2008): Comparing organic and conventional raw milk. Biological Agriculture and Horticulture 26, 4, 69-83.
• Nauta, W.J. Baars, T. Saatkamp, H. Weenink, D. and Roep, D. (2009): Farming strategies in organic dairy farming. Effects on breeding goal and choice of breed. An explorative study. Livestock Science, Vol. 121, Issues 2-3, 187-199.
• Baars, T.  (2010): Experiential science; towards an integration of implicit and reflected practitioner-expert knowledge in the scientific development of organic farming. Journal of Agriculture and Environmental Ethics, 24, 601-628. DOI: 10.1007/s10806-010-9281-3.
• Baars, T. Wohlers, J. Kusche, D. and Jahreis G. (2012): Experimental improvement of  cow milk fatty acid composition in organic winter diets. Journal of Science of Food and Agriculture, 92, ..-... DOI 10.1002/jsfa.5525
• Kahl, J. Baars, T. Bügel, S. Busscher, N. Huber, M. Kusche, D. Rembialkowska, E. Schmid, O. Seidel, K. Taupier-Letage, B. Velimirov, A. Załęcka, A. (2012) Organic food quality: a framework for concept, definition and evaluation from the European perspective. Journal of Science of Food and Agriculture, 92, ..-...
• Kusche, D. Kuhnt, K. Ruebesam, K. Rohrer, C. Nierop, A.F.M. Jahreis, G. and Baars, T. (2012 in prep): Authenticity of organic milk - Fatty acid profiles and antioxidants of organic and conventional milk from low- and high-input systems during summer. Journal of Dairy Science
• Baars, T. Kusche, D. Jahreis, G. and Geier, U. (2012 in prep): Differentiation of European biodynamic milk fat quality and comparison of retail milk of different European origin. Journal of Dairy Science
• Baars, T. Schröder, M. Kusche, D. Vetter, W. (2012 in prep): Phytanic acid content and SRR/RRR diastereomer ratio in milk from organic and conventional farms at low and high level of fodder input. Journal of Organic Agriculture (in review)
• Baars, T. Kusche, D. Jahreis, G. and Geier, U. (2012 in prep): Differentiation of European biodynamic milk fat quality and comparison of organic and conventional retail milk of different European origin.

In reviewed scientific conference books

• Baars, T. and Van Dongen, M.J.H. (1993): Comparison of two grass-clover mixtures with either tall fescue/cocksfoot or perennial ryegrass. In: Frame, J. (ed) White clover in Europe, State of the Art. REUR Technical Series, FAO Regional Office for Europe, 29, 102-104
• Baars T. and Van Dongen, M.J.H. (1993): Effects of urine patches and rest period on clover development in organic grass-clover swards. In: Frame, J. (ed) White clover in Europe, State of the Art. REUR Technical Series, FAO Regional Office for Europe, 29
• Baars, T. Van Dongen, M.J.H. and Brands, L. (1996): Early crop growth, yield and clover development in cut and grazed grass-clover mixtures under organic conditions. In: J. Frame (ed). Recent Research and Development on White clover in Europe. REUR Technical Series, FAO Regional Office for Europe, 42, 122-125
• Baars, T. and Van Ham, P.W.M. (1996): Future conversion of organic dairy farming in relation to EU regulation. In: Steps in the conversion and development of organic farming, 2nd ENOF-workshop, Barcelona, Spain, 113 – 121
• Baars, T. and Ellinger, L. (1997): The relation between organic husbandry and homeopathy: the prevention approach. Symposium in Denmark, international group of veterinary homeopathic vets, April 1997
• Baars, T. and Barkema, H.W. (1997): Bulk milk somatic cell count and the use of resources in organic dairy farming. A case study on subclinical mastitis caused by Staphylococcus aureus. Paper presented In: Resource use in organic farming, 3rd ENOF-workshop, Ancona, Italy, 175-188
• Younie, D. and Baars, T. (1997): Resource Use in Organic Grassland: The Central Bank and the Art Gallery of Organic Farming. In: Resource use in organic farming, 3rd ENOF-workshop, Ancona, Italy, 43-61
• Baars, T. and Younie, D. (1998): Grassland and choices for sustainability. FAO-meeting for lowland pastures and sustainable systems. La Coruna, Spain. FAO REUR Technical Series
• Baars, T. (1998): Modern solutions for mixed systems in organic farming. In: Keulen, H. van, Lantinga E.A. and Van Laar, H.H. (eds.). Proceedings of an International Workshop on mixed farming systems in Europe, Dronten, Wageningen, The Netherlands, 25 - 28 May 1998. Ir. A.P. Minderhoudhoeve-series, 2, 23-29.
• Van Hierden, Y.M. and Baars, T. (1998): On farm-analyses of animal welfare and recommendations for farmers management. Feather pecking and cannibalism at organic poultry houses. In: NENOF-newsletter, 7, pp. 4-9
• Baars, T. and De Vries, A. (1998): Facilitating empirical learning in agriculture – scientific knowledge and practical choices: forging a link between the way of the researcher/extensionist and the way of the farmer. In: Zanoli, R. and Krell, R. (eds) Research methodologies in organic farming. Workshop in Frick (CH). FAO REU Technical series 58, 49-56
• Baars, T. and Opdam, A. (1999): Trace elements and somatic cell counts in heifers. In: Wensing Th. (ed) Production Diseases in Farm Animals, Wageningen Press, Wageningen, The Netherlands, 297
• Nauta, W.J., Van der Burgt, G.J. and Baars, T. (1999): Partner farms: a participatory approach to collaboration between specialised organic farms. Presented at the Workshop Designing and Testing Crop Rotations for Organic Farming, Borris Agricultural School, 14-16 June, Denmark.
• Waiblinger, S. Baars, T. and Menke, C. (2000): Understanding the cow - the central role of human-animal relationship in keeping horned dairy cows in loose housing. Proceedings of the 3rd workshop of the NAHWOA. Clermont-Ferrand, France, October 2000.
• Baars, T. (2000): Effective use of manure and fertiliser in organically grown grass/clover swards. In: Søegaard, K. Ohlsson, C. Sehested, J. Hutchings, N.J. and Kristensen, T. (eds) Grassland farming – balancing environmental ands economic demands. 18th General Meeting of the European Grassland Federation, 524-526
• Baars, T. and Veltman L. (2000): Adapted grass/clover mixtures for ley farming - a participatory approach to develop organic farming systems. In: Søegaard, K. Ohlsson, C. Sehested, J. Hutchings, N.J. and Kristensen, T. (eds) Grassland farming – balancing environmental ands economic demands. 18th General Meeting of the European Grassland Federation, 542-544
• Van der Burgt, G.J. and Baars, T. (2001): Manure effects on soil fertility and earthworm populations in organic grass-clover on sandy soils. European Grassland Federation, Witzenhausen, Germany. In: Isselstein, J. Spatz, G. and Hofmann, M. (eds) Organic Grassland Farming, 281-283
• Baars, T. (2001): The conflict in organic grass-clover production: white clover versus animal manure. European Grassland Federation, Witzenhausen, Germany. In: Isselstein, J. Spatz, G. and Hofmann, M. (eds) Organic Grassland Farming, 241-243
• Baars, T. (2001): Effects of animal manure on the growth dynamic of grass-clover on sandy soils. European Grassland Federation, Witzenhausen, Germany. In: Isselstein, J. Spatz, G. and Hofmann, M. (eds) Organic Grassland Farming, 291-294
• Endendijk, D. Endendijk, H. and Baars, T. (2001): Family-breeding, foundation breeding and organic farming: breeding for site adapted farm animals. In: Hovi M. and Baars T. (eds). Breeding and feeding for animal health and welfare in organic livestock systems. Proceedings of the 4th NAHWOA workshop, Wageningen, The Netherlands, March 2001.  
• Baars, T. (2002): N-fixation of white clover affected by clover yield and type of manure. In: Durand, J.L. Emile, J.C. Huyghe, C. and Lemaire, G. (eds) Multi-functional grassland, 19th General Meeting of the European Grassland Federation, La Rochelle, France, 654-655
• Baars, T. (2002): Botanical diversity of conventional and organic pastures in relation to mineral inputs. In: Durand, J.L. Emile, J.C. Huyghe, C. and Lemaire, G. (eds) Multi-functional grassland, 19th General Meeting of the European Grassland Federation, La Rochelle, France, 760-761
• Baars, T. Veltman, L. and Van Eekeren N. (2004): Farmer’s experiences and scientific on-farm experimentation integrated in an experiential science approach. 20th General Meeting of the European Grassland Federation, Luzern, Switzerland
• Vaarst, M. Alrøe, H.F. Lund, V. Baars T. and Verhoog H. (2000): Identifying animal welfare in the context of organic farming. Eursafe conference
• Baars, T. (2002): Naturalness and breeding in organic farming. In: Heaf D. and Wirz J. (eds) Genetic Engeneering and the Intrinsic Value and Integrity of Animals and Plants. Workshop in Edinburgh, UK, 18-21 September, Ifgene, 58-61
• Baars, T. Baars, E. and Eikmans, K. (2004): Animal health defined by experts in organic farming through 1. conceptmapping and 2. the interpretation of the concept of naturalness. SAFO-Conference, Witzenhausen.
• Nauta, W.J. and Baars, T. (2005): Kin-breeding for organic farming, for being organic and prevention of inbreeding. IFOAM, Adelaidhe.
• Nauta, W.J. Bovenhuis H. and  Baars, T. (2005): Effect of conversion to organic dairy production, describing the situation. IFOAM, Adelaidhe.
• Baars, T. (2006): How biographical experiences affect a research and training programme in biodynamic agriculture at Kassel University. In: Haverkort, B. and Reijntjes, C. (eds) Moving Worldviews. Reshaping sciences, policies and practices for endogenous development. Compas series on worldviews and sciences 4, 364-380
• Mosler, S. Wohlers, J. Kusche, D. Baars, T. (2010): Comparative milk proteomics and metabolomics: A pilot study on effects of roughage and horn status on cow milk. 1st Kiel international food science conference, Kiel.

Scientific conference proceedings

• Baars, T. (ed.) (2011). Summaries of oral presentations of first international raw milk conference: raw milk, health or hazard? 20th May 2011, Prague (Cz).