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 10.14
Milk (kg) -182.00 -0.014 2.55
Fat (kg) -7.50 -0.375 2.81
Prot (kg) -10.84 -0.441 4.78
Fertility Sub Index -5.20
Calving Interval (days) 2.56 -1.459 -3.74
Survival (%) -1.31 1.117 -1.46
Calving Sub Index -0.55
Gestation Length (days) 0.60 -0.919 -0.55
Beef Sub Index -0.32
Carcass Weight (kg) -0.80 -0.528 0.42
Age of Slaughter (days) 1.71 -0.432 -0.74
Maintenance Sub Index Maint. Sub Index 1.20
Live WT (kg) -3.90 -0.307 1.20
Total Carbon Sub Index 5.27

* Based on an €80/tonne carbon price