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 8.36
Milk (kg) -140.00 -0.014 1.96
Fat (kg) -8.84 -0.375 3.31
Prot (kg) -6.99 -0.441 3.09
Fertility Sub Index -5.69
Calving Interval (days) 3.25 -1.459 -4.74
Survival (%) -0.85 1.117 -0.95
Calving Sub Index 0.44
Gestation Length (days) -0.48 -0.919 0.44
Beef Sub Index 0.44
Carcass Weight (kg) -1.70 -0.528 0.90
Age of Slaughter (days) 1.06 -0.432 -0.46
Maintenance Sub Index Maint. Sub Index 0.15
Live WT (kg) -0.50 -0.307 0.15
Total Carbon Sub Index 3.70

* Based on an €80/tonne carbon price