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Organization of a field recording scheme for german beef production 2 communication breeding performance control


, : Organization of a field recording scheme for german beef production 2 communication breeding performance control. Zuechtungskunde 58(2): 95-101

Almost throughout there is a systematic effect on the ageweights by the region, the herd management, the weighing and calving season, the sex, the type of birth, the age of dam and the age of weighing. 68% and 54% of the total variance could be explained by the considered systematic effects for the 200- and 400-day-weight. The performance data will be corrected only for the influence of the age of weighing, the sex and type of birth and the age of dam. The estimation of the heritabilities lay for the weaning and yearling weight by 0.29 and 0.38, for the daily gain in the period 200/400 days a value of 0.30 is estimated.

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