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 8.04
Milk (kg) -110.00 -0.014 1.54
Fat (kg) -8.02 -0.375 3.00
Prot (kg) -7.91 -0.441 3.49
Fertility Sub Index 0.33
Calving Interval (days) -0.03 -1.459 0.04
Survival (%) 0.26 1.117 0.29
Calving Sub Index 2.84
Gestation Length (days) -3.09 -0.919 2.84
Beef Sub Index 1.34
Carcass Weight (kg) -2.70 -0.528 1.42
Age of Slaughter (days) 0.19 -0.432 -0.08
Maintenance Sub Index Maint. Sub Index 5.79
Live WT (kg) -18.90 -0.307 5.79
Total Carbon Sub Index 18.35

* Based on an €80/tonne carbon price