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 2.67
Milk (kg) -17.00 -0.014 0.24
Fat (kg) -3.17 -0.375 1.19
Prot (kg) -2.83 -0.441 1.25
Fertility Sub Index 1.22
Calving Interval (days) -0.46 -1.459 0.67
Survival (%) 0.49 1.117 0.55
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 0.07
Carcass Weight (kg) -2.90 -0.528 1.53
Age of Slaughter (days) 3.37 -0.432 -1.45
Maintenance Sub Index Maint. Sub Index 5.61
Live WT (kg) -18.30 -0.307 5.61
Total Carbon Sub Index 13.27

* Based on an €80/tonne carbon price