Table 2. Reproduction and production traits of reciprocal F, dams of the Angus (A), Brahman (B), and Charolais (C) breeds.

 Number Number Calf Number
 of Preg- of sur- of Calf Weaning 205-day
 Breed obser- nancy obser- vival obser- age weight weight
 Group vations (%) vations (%) nations (days) (Ib)' (lb)1

F1 damstt*
 AB, BA 218 91.22.7 202 95.62.1 193 224.32.7 503.36.4 467.54.6
 AC, CA 185 81.22.5 149 91.92.1 138 228.42.7 484.06.4 443.64.6
 BC, CB 184 89.42.5 165 92.9-2.0 154 224.7-2.5 501.76.0 466.34.3
Reciprocal F, Dams
 AB 171 91.4+2.6 159 93.82.1 151 227.6-2.6 507.56.2 465.54.4
 BA 47 91.14.6 43 97.33.7 42 220.9+4.5 499.111.0 469.67.8
 AC 113 82.13.0 92 93.22.5 86 226.53.2 487.17.8 449.85.5
 CA 72 80.23.8 57 90.53.2 52 230.3-5.1 480.810.0 437.57.1
 BC 78 86.93.7 67 94.53.0 64 220.8+3.7 496.49.0 468.16.4
 CB 106 92.0-3.2 98 91.32.5 90 228.64.0 506.97.7 464.45.4

 'kg = lb x 0.454.
ttLast letter of pair is dam breed, AB = Angus sire x Brahman dam. BA = Brahman sire x Angus dam.
tReciprocals combined.