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 6.12
Milk (kg) -67.00 -0.014 0.94
Fat (kg) -9.53 -0.375 3.57
Prot (kg) -3.66 -0.441 1.62
Fertility Sub Index 6.16
Calving Interval (days) -3.08 -1.459 4.49
Survival (%) 1.49 1.117 1.66
Calving Sub Index 1.25
Gestation Length (days) -1.36 -0.919 1.25
Beef Sub Index -2.54
Carcass Weight (kg) 3.00 -0.528 -1.58
Age of Slaughter (days) 2.22 -0.432 -0.96
Maintenance Sub Index Maint. Sub Index 1.23
Live WT (kg) -4.00 -0.307 1.23
Total Carbon Sub Index 12.21

* Based on an €80/tonne carbon price