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 6.60
Milk (kg) -115.00 -0.014 1.61
Fat (kg) -7.15 -0.375 2.68
Prot (kg) -5.23 -0.441 2.31
Fertility Sub Index 1.07
Calving Interval (days) -0.49 -1.459 0.71
Survival (%) 0.32 1.117 0.36
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 1.93
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) -1.04 -0.432 0.45
Maintenance Sub Index Maint. Sub Index 5.76
Live WT (kg) -18.80 -0.307 5.76
Total Carbon Sub Index 19.05

* Based on an €80/tonne carbon price