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 4.60
Milk (kg) -91.00 -0.014 1.27
Fat (kg) -4.79 -0.375 1.79
Prot (kg) -3.47 -0.441 1.53
Fertility Sub Index 0.30
Calving Interval (days) 0.17 -1.459 -0.25
Survival (%) 0.49 1.117 0.55
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 1.68
Carcass Weight (kg) -3.40 -0.528 1.79
Age of Slaughter (days) 0.26 -0.432 -0.11
Maintenance Sub Index Maint. Sub Index 4.41
Live WT (kg) -14.40 -0.307 4.41
Total Carbon Sub Index 14.69

* Based on an €80/tonne carbon price