| Number of replacement breeding cattle | Number of herds | Median source herd betweenness centrality |
---|---|---|---|
Beef replacement cattle | Â | Â | Â |
Open heifers | 16 420 | 3229 | 82 521 |
Pregnant heifers | 5795 | 1369 | 106 630 |
Open cows (dry) | 1150 | 565 | 74 212 |
Open cows (calf at foot) | 8458 | 1348 | 199 017 |
Pregnant cows (dry) | 8491 | 1226 | 66 177 |
Pregnant cows (calf at foot) | 3900 | 745 | 70 871 |
Dairy replacement cattle | Â | Â | Â |
Open heifers | 2916 | 430 | 137 442 |
Pregnant heifers | 2643 | 352 | 110 976 |
Open cows (dry) | 707 | 223 | 111 983 |
Open cows (lactating) | 3839 | 538 | 192 613 |
Pregnant cows (dry) | 1276 | 230 | 109 568 |
Pregnant cows (lactating) | 1330 | 217 | 129 386 |