Die chronologische Liste zeigt aktuelle Veröffentlichungen aus dem Forschungsbetrieb der Hochschule Weihenstephan-Triesdorf. Zuständig ist das Zentrum für Forschung und Wissenstransfer (ZFW).
Prof. Dr. Bernhard Bauer,
M.Sc. Kevin Braun,
Prof. Dr. Peter Breunig,
B.Eng. Andreas Fleischmann,
Tobias Meyer,
Prof. Dr. Patrick Noack,
M.Sc. Muhammad Saeed,
M.Sc. Rolf Wilmes
Prof. Dr. Bernhard Bauer,
Prof. Dr. Peter Breunig,
B.Eng. Andreas Fleischmann,
Tobias Meyer,
Prof. Dr. Patrick Noack,
M.Sc. Muhammad Saeed,
M.Sc. Rolf Wilmes
Prof. Dr. Bernhard Bauer,
M.Sc. Kevin Braun,
Prof. Dr. Peter Breunig,
B.Eng. Andreas Fleischmann,
Tobias Meyer,
Prof. Dr. Patrick Noack,
M.Sc. Muhammad Saeed,
M.Sc. Rolf Wilmes
Recently, a Total Merit Index (RZ€) has been developed for German Holstein dairy cattle on the basis of margin in Euro. Our aim was to adjust this lifetime net merit for the dual-purpose German Black Pied cattle breed (DSN) accounting for beef production in addition to milk performance and fitness traits. We used the estimated breeding values of DSN sires and developed a breeding value for carcass weight and quality. Furthermore, we adjusted the German Holstein marginal profits per standard deviation, which are used to calculate the estimated breeding values, to DSN-specific values. The DSN Net Merit is the sum of the three sub-indices DSN Net Milk, DSN Net Fitness, and DSN Net Beef, which contribute to the DSN Net Merit with 52.84%, 43.43%, and 3.73%, respectively. The DSN Net Merit that was calculated for 33 DSN sires ranged between EUR −1114 and +709. The DSN Net Merit strongly correlates with the Total Merit Index. The implementation of the DSN Net Merit is useful for selection and mating decisions. Especially, the sub-index DSN Net Beef, which does not correlate with existing breeding values, can be used to maintain the dual-purpose character of DSN while modestly improving milk yield. The approach can be easily adapted to other dual-purpose breeds.
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