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 4.70
Milk (kg) -99.00 -0.014 1.39
Fat (kg) -3.89 -0.375 1.46
Prot (kg) -4.21 -0.441 1.86
Fertility Sub Index 1.12
Calving Interval (days) -0.49 -1.459 0.71
Survival (%) 0.36 1.117 0.40
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 2.73
Carcass Weight (kg) -3.10 -0.528 1.64
Age of Slaughter (days) -2.53 -0.432 1.09
Maintenance Sub Index Maint. Sub Index 6.68
Live WT (kg) -21.80 -0.307 6.68
Total Carbon Sub Index 18.93

* Based on an €80/tonne carbon price