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 2.83
Milk (kg) -104.00 -0.014 1.46
Fat (kg) -0.49 -0.375 0.18
Prot (kg) -2.69 -0.441 1.19
Fertility Sub Index 0.74
Calving Interval (days) -0.17 -1.459 0.25
Survival (%) 0.44 1.117 0.49
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 2.34
Carcass Weight (kg) -3.40 -0.528 1.79
Age of Slaughter (days) -1.27 -0.432 0.55
Maintenance Sub Index Maint. Sub Index 6.07
Live WT (kg) -19.80 -0.307 6.07
Total Carbon Sub Index 15.68

* Based on an €80/tonne carbon price