Carbon Sub Index breakdown

Date of Evaluation Date of Eval. Index Trait PTA *Carbon Cost (€) Contribution Contrib.
PTA * Carbon Cost
May 2025 Milk Sub Index 3.55
Milk (kg) -122.00 -0.014 1.71
Fat (kg) -1.97 -0.375 0.74
Prot (kg) -2.50 -0.441 1.10
Fertility Sub Index 1.47
Calving Interval (days) -1.32 -1.459 1.93
Survival (%) -0.41 1.117 -0.46
Calving Sub Index 0.73
Gestation Length (days) -0.79 -0.919 0.73
Beef Sub Index 2.20
Carcass Weight (kg) -5.10 -0.528 2.69
Age of Slaughter (days) 1.13 -0.432 -0.49
Maintenance Sub Index Maint. Sub Index 3.77
Live WT (kg) -12.30 -0.307 3.77
Total Carbon Sub Index 11.72

* Based on an €80/tonne carbon price