著者：
Katharina A Zipp 1University of Kassel, Farm Animal Behaviour and Husbandry Section, Nordbahnhofstr. 1a, 37213 Witzenhausen, Germany

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Julie J Johnsen 2Norwegian Veterinary Institute, Department of Health Surveillance, P.O. Box 750 Sentrum, 0106 Oslo, Norway

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Tasja Kälber 3Thünen Institute für Ókologischen Landbau, Thünen Institute of Organic Farming, Trenthorst 32, 23847 Westerau, Germany; zipp@uni-kassel.de

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Cecilie Mejdell 2Norwegian Veterinary Institute, Department of Health Surveillance, P.O. Box 750 Sentrum, 0106 Oslo, Norway

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Kerstin Bar 3Thünen Institute für Ókologischen Landbau, Thünen Institute of Organic Farming, Trenthorst 32, 23847 Westerau, Germany; zipp@uni-kassel.de

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Ute Knierim 1University of Kassel, Farm Animal Behaviour and Husbandry Section, Nordbahnhofstr. 1a, 37213 Witzenhausen, Germany

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类型:
章节
Page Range:
68
DOI:
https://doi.org/10.3920/9789086867974_011

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