Bio-economic Models for Efficient Dairy Cattle Breeding

Monika Michalickova, Zuzana Krupova, Emil Krupa, Ludmila Zavadilová


The objective of this study was to define the main principles when the economic weights of traits are defined to be applicate in dairy cattle breeding. The competitive farming is a function of additive genetic values of traits weighted with economic values. For the calculation of economic values, the bio-economic models are mostly used. These models should reflect the production circumstances of evaluated production systems and be flexible to fit other production situations. Except of the production traits, the functional traits and traits for feed intake utilization are very important for the sustainable production. The environmental benefits (e. g. reduction of greenhouse gas emissions, welfare) should be mentioned as well. Results based on the bio-economic models provide the first information whether the breeding goal for cattle would be redefined. Moreover, flexibility of the bio-economic models enables to evaluate the breeding goals for different customer groups and for different cattle breeds. They are beneficial tools for comprehensive evaluation of the economic values for the most important traits in cattle and in sheep.

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