Tackling the future challenges of Organic Animal Husbandry - vTI

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! Agriculture and Forestry Research, Special Issue No 362 (Braunschweig, 2012) ISSN 0376-0723 Download: www.vti.bund.de/en/startseite/vti-publications/landbauforschung-special-issues.html Ravagnolo and Misztal, 2002. Effect of heat stress on non return rate in Holstein: Fixed-Model analyses. Journal of Dairy Science. 85: 3101 – 3106. Rauw, W.M., Kanis, E., Noordhuizen-Stassen, E.N., Grommers, F.J., 1998. Undesirable side effects of selection of high production efficiency in farm animals: a review. Livestock Production Science 56: 15-33. Rozzi, P., Miglior, F., Hand, K.J., 2007. A total merit selection index for Ontario organic dairy farmers. Journal of Dairy Science. 90: 1584-1593. Schmidtko, J., 2007. Zuchtplanerische Bewertung verschiedener Strategien für die nachhaltige Zucht ökologischer Milchrinder. Dissertation der Georg August Universität, Göttingen. Simianer, H., 2007. Ökologische Milchviehzucht, Entwicklung und Bewertung züchterischer Anzätze unter Berücksichtigung der Genotyp x Umwelt- Interaktion und Schaffung eines Informationssystems für nachhaltige Zuchtstrategien, ÖKUH, www.orgprints.org/11222. Strandberg, E., 2007. Breeding for improved robustness, The role of environmental sensitivity and plasticity. EAAP 2007, Dublin. Sundberg, T., Berglund, B., Rydhmer, L., and Strandberg, E., 2009. Fertility, somatic cell count and milk production in Swedish organic and conventional dairy herds. Livestock Science 126:176-182. Sundberg, T., Rydhmer, L., Berglund, B., and Strandberg, E., 2010. Genotype by environment interaction of Swedish dairy cows in organic and conventional production systems. Acta Agriculturae Scand Section A. 60:65-73. Ten Napel, J., Leenhouwers, J., and Merks J., 2009. De voorziening van biologische opfokzeugen. Wageningen UR Livestock Research. Wageningen. Thomet, P., Steiger Burgos, M., 2007. Kuhtyp für die graslandbasierte Milchproduktion. Agrarforschung 14 (9): 412-417. Spengler Neff, A., 2011. Neue Ansätze für die ökologische Milchrinderzucht. Dissertation, Fachbereich ökologische Agrarwissenschaften, Universität Kassel; Deutschland. Spengler Neff, A. and Augsten F., 2009. Assessing Reproductive and Breeding Techniques in Organic Agriculture using Cattle Breeding as an Example (Discussion Paper). IFOAM Breeding-Diversity- Conference, Santa Fe, NM, USA. Spengler Neff, A., Mahrer, D., Moll, J., Burren, A., Flury, C., 2012. Analyses of different brown cattle breeds and their crosses in Switzerland, EAAP-meeting, Bratislava, August 27-31 2012 Sparks, N.H.C., Conroy, M.A., and Sandilands, V., 2008. Socio-economic drivers for UK organic pullet rearers and the implications for poultry health. British Poultry Science 49: 525-532. Thiele, H.H. and Pottgüter, R., 2008. Management recommendations for laying hens in deep litter, perchery and free range systems. Lohmann Information 43: 53-63. Veeteelt, 2008. Insire aan zet. http://edepot.wur.nl/152151 Vermeer, H.M., Houwers, H.W.J., 2008. Effect of additional heating, floor length, straw quantity and piglet nest accessibility on piglet losses in organic farrowingpens. Cultivating the future based on science. Volume 2: Livestock, socio-economy and cross disciplinary research in organic agriculture. Proceedings of the Second Scientific Conference of ISOFAR, held at the 16th IFOAM Organic World Conference. p.118-121 Wanke, D. and Biedermann, G., 2005. Still room for Niches? - Status and Potential of rare and endangered Cattle Breeds in Organic Farming. In: Heß, J and Rahmann, G (Eds.) Ende der Nische, Beiträge zur 8. Wissenschaftstagung Ökologischer Landbau, kassel university press GmbH, Kassel. Wallenbeck, A. 2009. Pigs for organic production, Sweden university of agriculture, Faculty of veterinary medicine and animal science. Doctoral Thesis No. 2009:37 Wallenbeck, A., Rydhmer, L., and Lundeheim, N., 2009a. GxE interactions for growth and carcass leanness: Re-ranking of boars in organic and convantional pig production. Livestock Science 123: 154-160. Wallenbeck, A., Gustafson, G., and Rydhmer, L., 2009b. Sow performance and maternal behaviour in organic and conventional herds. Acta Agric. Scand. Section A 59, 181-191 Weary, D.M., Phillips, P.A., Pajor, E.A., Fraser, D., and Thompson, B.K., 1998. Crushing of piglets by sows: effects of litter features, pen features and sow behaviour. Applied Animal Behaviour Science 61:103-111 Zeltner, E. and Maurer, V., 2009. Welfare of organic poultry. In: proceedings of WPSA Poultry Welfare Symposium, Italy, 18-22 May, 2009, 104-112. 320
Abstract RAHMANN G & GODINHO D (Ed.) (2012): Tackling the Future Challenges of Organic Animal Husbandry. Proceedings of the 2 nd OAHC, Hamburg/Trenthorst, Germany, Sep 12-14, 2012 Udder health status of cows in early lactation – a comparison between a dairy and a dual purpose breed KERSTIN BARTH 1 , KARIN KNAPPSTEIN 2 , KAREN AULRICH 1 , UTE MÜLLER 3 , FRANZ SCHULZ 4 1 Thuenen-Institute of Organic Farming,Germany, www.vti.bund.de, eMail: kerstin.barth@vti.bund.de; karen.aulrich@vti.bund.de. 2 Max Rubner-Institut (MRI), Federal Research Institute of Nutrition and Food, Department of Safety and Quality of Milk and Fish Products, Germany, www.mri.bund.de, eMail: karin.knappstein@mri.bund.de 3 University Bonn, Institute of Animal Science, Physiology and Hygiene Group, Germany, www.tbgs.uni-bonn.de, eMail: ute-mueller@uni-bonn.de 4 Justus Liebig University Giessen, Experimental Station Gladbacherhof, Germany, www.uni-giessen.de, eMail: franz.schulz@agrar.uni-giessen.de The aim of organic farming to produce forage-based milk and to lower the amount of concentrate fed leads to an increased risk of metabolic disorders, especially in early lactation when the demand for energy often oversteps the energy provided. The use of breeds with a lower genetic merit for milk yield might offer a solution. Our study compared a dual-purpose and a dairy breed kept under the same management conditions and two herds consisting of the same dairy breed, but managed differently, to test the effect of the breed or the management on the metabolic status and on udder health of the cows during the first five weeks of lactation. The analyses of the udder health status revealed that the German Holstein (GH) cows at both farms had a better udder health than the German Red Pied (GRP) cows: Nearly 50% of the GH cows did not show any sign of an udder infection while only 27% of the GRP cows were not infected. This is reflected in the number of cows which showed symptoms of clinical mastitis: 15% and 25% of GH and GRP cows, respectively. Thus, our study showed that a local dual purpose breed not necessarily shows a better udder health due to a lower metabolic load, and maybe in this case the breed is more important than the management. Key words: mastitis, dual purpose breed, early lactation Introduction During the transition period cows are subject to increased risks of developing production diseases, such as mastitis or metabolic disorders, due to a more or less physiologically normal negative energy balance. Organic dairy farming aims to reduce the amount of concentrates fed to cows and produce forage-based milk. Especially at the beginning of lactation, this might exacerbate the situation. Knaus et al. (2001) calculated a milk yield in organic farming up to 7,000 kg per year without exceeding the tolerable restrictions for suboptimal energy supply. However, the genetic potential of the breeds used in organic dairy farming is much higher and using breeds with a lower genetic merit for milk yield to solve the problem is still under discussion. After an initial study investigating the effect of breed and management on the metabolic status of a dairy and a dual-purpose breed (Barth et al. 2011) the present study addresses the udder health status in early lactation. 321
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Foreword Organic animal husbandry s
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Introduction RAHMANN G & GODINHO D
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