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 6.27
Milk (kg) -35.00 -0.014 0.49
Fat (kg) -10.53 -0.375 3.94
Prot (kg) -4.17 -0.441 1.84
Fertility Sub Index -3.04
Calving Interval (days) 2.74 -1.459 -4.00
Survival (%) 0.86 1.117 0.96
Calving Sub Index 0.24
Gestation Length (days) -0.26 -0.919 0.24
Beef Sub Index 1.26
Carcass Weight (kg) -4.10 -0.528 2.16
Age of Slaughter (days) 2.09 -0.432 -0.90
Maintenance Sub Index Maint. Sub Index 0.49
Live WT (kg) -1.60 -0.307 0.49
Total Carbon Sub Index 5.22

* Based on an €80/tonne carbon price