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 6.26
Milk (kg) -108.00 -0.014 1.51
Fat (kg) -6.23 -0.375 2.33
Prot (kg) -5.47 -0.441 2.41
Fertility Sub Index -0.43
Calving Interval (days) 0.25 -1.459 -0.36
Survival (%) -0.06 1.117 -0.07
Calving Sub Index 2.84
Gestation Length (days) -3.09 -0.919 2.84
Beef Sub Index -0.20
Carcass Weight (kg) -0.10 -0.528 0.05
Age of Slaughter (days) 0.58 -0.432 -0.25
Maintenance Sub Index Maint. Sub Index 5.03
Live WT (kg) -16.40 -0.307 5.03
Total Carbon Sub Index 13.50

* Based on an €80/tonne carbon price