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Volume 49, issue 3
Arch. Anim. Breed., 49, 209–221, 2006
https://doi.org/10.5194/aab-49-209-2006
© Author(s) 2006. This work is distributed under
the Creative Commons Attribution 3.0 License.
Arch. Anim. Breed., 49, 209–221, 2006
https://doi.org/10.5194/aab-49-209-2006
© Author(s) 2006. This work is distributed under
the Creative Commons Attribution 3.0 License.

  10 Oct 2006

10 Oct 2006

Genetic Analysis of Several Economically Important Disease Traits in German Holstein Cows

D. Hinrichs, E. Stamer, W. Junge, and E. Kalm D. Hinrichs et al.
  • Institut für Tierzucht und Tierhaltung der Christian-Albrechts-Universität zu Kiel, Kiel, Germany

Abstract. In the present study several disease categories were analysed. Data recording ends after 50, 100, or 300 days in milk. Furthermore, the impact of increasing numbers of daughters per sire (improved genetic structure of the data) was examined and genetic correlations between disease categories were estimated. Diseases were clustered into fertility diseases, udder diseases, metabolic diseases, and claw and leg diseases. In addition, all diseases were analysed simultaneously. Frequencies of the disease categories were moderately high and vary between 7% and 78%. The most frequent disease categories were fertility diseases and udder diseases. Heritabilities for all diseases varied between 0.03 and 0.05, and were 0.02 to 0.05 for fertility diseases, 0.06 to 0.08 for udder diseases, 0.08 to 0.16 for metabolic diseases, and 0.01 to 0.03 for claw and leg diseases, respectively. The genetic correlation between disease categories ranged from – 0.18 to 0.82.

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