Growth and carcass quality of bulls, crossbreds of Czech Pied, Holstein-Friesian and Dutch Black Pied cattle, fattened to 600 kg body weight

Zupka, Z.; Kubin, J.; Vana, J.; Svoboda, J.; Cizek, J.

Zivocisna Vyroba 30(1): 79-86

1985


ISSN/ISBN: 0044-4847
Accession: 001377813

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Abstract
For 10 Czech Pied (CP) bulls, 20 CPs with 75% of Holstein-Friesian (HF) inheritance, 21 CPs with 75% of Dutch Black Pied (DBP) inheritance, and 19 crossbreds with 12.5% of CP, 43.75% of HF and 43.75% of DBP inheritance, the consumption of FU/kg gain averaged 6.24, 6.25, 6.15 and 6.18 resp. during the 18-month experiment (5.07, 4.67, 4.82 and 4.92 during the first 11 months, and 8.07, 8.73, 8.24 and 8.20 during the last 7 months). The consumption of digestible nitrogenous substances per kg gain averaged 918, 923, 897 and 907 g, (852, 785, 809 and 823 g during the first 11 months, and 1021, 1138, 1035 and 1038 g during the last 7 months). Age at the beginning of fattening averaged 249, 211, 217 and 196 days resp., body weight 203.5, 196.6, 192.7 and 176.1 kg, slaughter weight 603.0, 625.5, 607.0 and 622.2 kg, age at slaughter 778.5, 769.5, 755.6 and 793.9 days, daily gain during fattening 833, 813, 811 and 790 g, dressing percentage 59.3, 57.6, 57.4 and 57.6, and carcass daily gain 460, 468, 466 and 452 g. The differences in dressing percentage of CPs from all crossbred groups were significant.