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 7.98
Milk (kg) -87.00 -0.014 1.22
Fat (kg) -9.89 -0.375 3.70
Prot (kg) -6.92 -0.441 3.05
Fertility Sub Index 2.96
Calving Interval (days) -2.19 -1.459 3.20
Survival (%) -0.21 1.117 -0.23
Calving Sub Index 1.81
Gestation Length (days) -1.97 -0.919 1.81
Beef Sub Index 3.40
Carcass Weight (kg) -4.40 -0.528 2.32
Age of Slaughter (days) -2.49 -0.432 1.07
Maintenance Sub Index Maint. Sub Index 2.61
Live WT (kg) -8.50 -0.307 2.61
Total Carbon Sub Index 18.75

* Based on an €80/tonne carbon price