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 16.78
Milk (kg) -299.00 -0.014 4.19
Fat (kg) -18.32 -0.375 6.86
Prot (kg) -12.98 -0.441 5.73
Fertility Sub Index 1.12
Calving Interval (days) -0.51 -1.459 0.74
Survival (%) 0.34 1.117 0.38
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index -0.06
Carcass Weight (kg) -2.40 -0.528 1.27
Age of Slaughter (days) 3.08 -0.432 -1.33
Maintenance Sub Index Maint. Sub Index 4.87
Live WT (kg) -15.90 -0.307 4.87
Total Carbon Sub Index 26.40

* Based on an €80/tonne carbon price