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 2.46
Milk (kg) -8.00 -0.014 0.11
Fat (kg) -3.06 -0.375 1.15
Prot (kg) -2.73 -0.441 1.20
Fertility Sub Index -0.17
Calving Interval (days) 0.05 -1.459 -0.07
Survival (%) -0.09 1.117 -0.10
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index -0.07
Carcass Weight (kg) -2.60 -0.528 1.37
Age of Slaughter (days) 3.34 -0.432 -1.44
Maintenance Sub Index Maint. Sub Index 5.82
Live WT (kg) -19.00 -0.307 5.82
Total Carbon Sub Index 11.74

* Based on an €80/tonne carbon price