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 1.53
Milk (kg) -49.00 -0.014 0.69
Fat (kg) -0.62 -0.375 0.23
Prot (kg) -1.38 -0.441 0.61
Fertility Sub Index 1.05
Calving Interval (days) -0.49 -1.459 0.71
Survival (%) 0.30 1.117 0.34
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index -0.02
Carcass Weight (kg) -3.20 -0.528 1.69
Age of Slaughter (days) 3.95 -0.432 -1.71
Maintenance Sub Index Maint. Sub Index 6.44
Live WT (kg) -21.00 -0.307 6.44
Total Carbon Sub Index 12.69

* Based on an €80/tonne carbon price