Carbon Sub Index breakdown

Date of Evaluation Date of Eval. Index Trait PTA *Carbon Cost (€) Contribution Contrib.
PTA * Carbon Cost
Sep 2025 Milk Sub Index 8.82
Milk (kg) -188.00 -0.014 2.63
Fat (kg) -7.27 -0.375 2.72
Prot (kg) -7.86 -0.441 3.47
Fertility Sub Index 1.51
Calving Interval (days) -0.54 -1.459 0.79
Survival (%) 0.65 1.117 0.73
Calving Sub Index 2.84
Gestation Length (days) -3.09 -0.919 2.84
Beef Sub Index 1.49
Carcass Weight (kg) -2.90 -0.528 1.53
Age of Slaughter (days) 0.10 -0.432 -0.04
Maintenance Sub Index Maint. Sub Index 6.25
Live WT (kg) -20.40 -0.307 6.25
Total Carbon Sub Index 20.92

* Based on an €80/tonne carbon price