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 14.18
Milk (kg) -231.00 -0.014 3.23
Fat (kg) -13.46 -0.375 5.04
Prot (kg) -13.38 -0.441 5.91
Fertility Sub Index 0.70
Calving Interval (days) -0.72 -1.459 1.05
Survival (%) -0.31 1.117 -0.35
Calving Sub Index -1.70
Gestation Length (days) 1.85 -0.919 -1.70
Beef Sub Index 3.55
Carcass Weight (kg) -4.20 -0.528 2.22
Age of Slaughter (days) -3.09 -0.432 1.33
Maintenance Sub Index Maint. Sub Index 4.57
Live WT (kg) -14.90 -0.307 4.57
Total Carbon Sub Index 21.30

* Based on an €80/tonne carbon price