Three different behaviour tests (tethering test, weighing test, separation and restraint test) were conducted in ca. 900 extensively kept German Angus and German Simmental as calves and weaners from four consecutive birth years. Heritability estimates for traits of the tethering test were below 0.1, but scores in the weighing test and separation and restraint test were intermediate (0.279 to 0.310) and scores easy to record. Microsatellite genotypes for six markers in potential QTL regions were generated. The association study revealed significant allele substitution effects in the weighing test for BMS574, while for the three markers RM103, ILSTS013 and BMC1207, no significant allele substitution effects were found in any of the tests.
Proceedings of the World Congress on Genetics Applied to Livestock Production, Volume , , 17.08, 2006
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