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 3.77
Milk (kg) -66.00 -0.014 0.92
Fat (kg) -3.67 -0.375 1.37
Prot (kg) -3.34 -0.441 1.47
Fertility Sub Index 0.43
Calving Interval (days) -0.02 -1.459 0.03
Survival (%) 0.36 1.117 0.40
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 0.19
Carcass Weight (kg) -2.90 -0.528 1.53
Age of Slaughter (days) 3.10 -0.432 -1.34
Maintenance Sub Index Maint. Sub Index 4.97
Live WT (kg) -16.20 -0.307 4.97
Total Carbon Sub Index 13.06

* Based on an €80/tonne carbon price