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 -4.28
Milk (kg) 154.00 -0.014 -2.16
Fat (kg) 5.20 -0.375 -1.95
Prot (kg) 0.40 -0.441 -0.18
Fertility Sub Index 2.00
Calving Interval (days) -0.71 -1.459 1.04
Survival (%) 0.86 1.117 0.96
Calving Sub Index 2.97
Gestation Length (days) -3.23 -0.919 2.97
Beef Sub Index 0.27
Carcass Weight (kg) -5.20 -0.528 2.74
Age of Slaughter (days) 5.73 -0.432 -2.47
Maintenance Sub Index Maint. Sub Index -4.60
Live WT (kg) 15.00 -0.307 -4.60
Total Carbon Sub Index -3.64

* Based on an €80/tonne carbon price