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 4.04
Milk (kg) -41.00 -0.014 0.57
Fat (kg) -4.65 -0.375 1.74
Prot (kg) -3.90 -0.441 1.72
Fertility Sub Index -3.16
Calving Interval (days) 1.37 -1.459 -2.00
Survival (%) -1.04 1.117 -1.16
Calving Sub Index -0.55
Gestation Length (days) 0.60 -0.919 -0.55
Beef Sub Index 0.05
Carcass Weight (kg) -1.80 -0.528 0.95
Age of Slaughter (days) 2.08 -0.432 -0.90
Maintenance Sub Index Maint. Sub Index 2.08
Live WT (kg) -6.80 -0.307 2.08
Total Carbon Sub Index 2.46

* Based on an €80/tonne carbon price