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 8.10
Milk (kg) -104.00 -0.014 1.46
Fat (kg) -4.33 -0.375 1.62
Prot (kg) -11.39 -0.441 5.03
Fertility Sub Index -8.15
Calving Interval (days) 4.18 -1.459 -6.10
Survival (%) -1.84 1.117 -2.06
Calving Sub Index 0.35
Gestation Length (days) -0.38 -0.919 0.35
Beef Sub Index 0.03
Carcass Weight (kg) -2.90 -0.528 1.53
Age of Slaughter (days) 3.48 -0.432 -1.50
Maintenance Sub Index Maint. Sub Index 0.03
Live WT (kg) -0.10 -0.307 0.03
Total Carbon Sub Index 0.35

* Based on an €80/tonne carbon price