Results of genetic testing of fattening crossbreds of Italian beef breeds. 6. Carcass value of hybrids fed roughage to 18 months of age

Otto, E.; Tilsch, K.; Papstein, H.J.

Archiv fur Tierzucht 21(4): 305-316

1978


Accession: 000738616

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Abstract
The animals used and the rearing conditions were as described in Pt. 5 [see ABA 47 4089]. For 10 Simmental, 15 Charolais, 23 Romagna, 21 Piedmont and 21 Marche crossbreds, the progeny of German Black Pied dams, age at slaughter averaged 544, 557, 550, 553 and 548 days resp., preslaughter body weight 568, 568, 582, 566 and 582 kg, dressing percentage 61.8, 62.0, 60.9, 63.8 and 62.6, percentage of internal fat 5.46, 5.31, 5.02, 4.75 and 4.20, percentage of grade-I carcasses 10, 13, 30, 38 and 50, weight of high-value cuts 69.2, 69.3, 71.1, 71.7 and 73.2 kg, percentage of valuable cuts 42.7, 42.6, 43.1, 42.9 and 43.3, weight of bone in all cuts in the right half-carcass 26.8, 25.8, 28.0, 25.4 and 28.3 kg (11.66, 15.95, 16.97, 15.40 and 17.16% resp.), the protein content of the half-carcass 14.50, 15.10, 14.08, 15.85 and 15.05%, and the fat content of the half-carcass 17.20, 15.53, 16.02, 12.24 and 13.75%. There were only small differences in meat quality among the crossbreds; the frying loss in the longissimus dorsi muscle was 12.49, 20.88, 12.74, 18.13 and 18.13% in the 5 groups resp. Detailed results are presented in 20 tables.