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 6.93
Milk (kg) -104.00 -0.014 1.46
Fat (kg) -7.81 -0.375 2.93
Prot (kg) -5.78 -0.441 2.55
Fertility Sub Index 0.19
Calving Interval (days) 0.23 -1.459 -0.34
Survival (%) 0.47 1.117 0.53
Calving Sub Index -1.52
Gestation Length (days) 1.65 -0.919 -1.52
Beef Sub Index -2.14
Carcass Weight (kg) -2.00 -0.528 1.06
Age of Slaughter (days) 7.40 -0.432 -3.19
Maintenance Sub Index Maint. Sub Index 5.70
Live WT (kg) -18.60 -0.307 5.70
Total Carbon Sub Index 9.17

* Based on an €80/tonne carbon price