Table 1.
Description of animals enrolled in the study
| Herd location | Year of birth | Sex1 | Progeny of program2 | Number of animals tested for immune competence |
|---|---|---|---|---|
| Holbrook, NSW | 2012 | M | ASBP | 171 |
| 2013 | M | ASBP | 278 | |
| Bingara, NSW | 2012 | M | ASBP | 61 |
| 2013 | M | ASBP | 78 | |
| Guyra, NSW | 2012 | M | ASBP | 122 |
| Cassilis, NSW | 2012 | M | ASBP | 164 |
| 2013 | M | ASBP | 104 | |
| Chiswick, Armidale, NSW | 2012 | M | CSIRO | 44 |
| 2014 | M | CSIRO | 40 | |
| 2012 | F | CSIRO | 49 | |
| 2014 | F | CSIRO | 38 | |
| Total | 1,149 |
1M = male (castrated), F = female.
2ASBP = Angus Sire Benchmarking Program, CSIRO = CSIRO, Chiswick Performance Register Herd.