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 5.34
Milk (kg) -101.00 -0.014 1.41
Fat (kg) -4.88 -0.375 1.83
Prot (kg) -4.75 -0.441 2.10
Fertility Sub Index 1.34
Calving Interval (days) -0.59 -1.459 0.86
Survival (%) 0.43 1.117 0.48
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 2.60
Carcass Weight (kg) -3.10 -0.528 1.64
Age of Slaughter (days) -2.23 -0.432 0.96
Maintenance Sub Index Maint. Sub Index 6.50
Live WT (kg) -21.20 -0.307 6.50
Total Carbon Sub Index 19.47

* Based on an €80/tonne carbon price