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 3.09
Milk (kg) -97.00 -0.014 1.36
Fat (kg) -1.32 -0.375 0.49
Prot (kg) -2.81 -0.441 1.24
Fertility Sub Index -0.32
Calving Interval (days) 0.18 -1.459 -0.26
Survival (%) -0.05 1.117 -0.06
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 2.19
Carcass Weight (kg) -3.30 -0.528 1.74
Age of Slaughter (days) -1.03 -0.432 0.44
Maintenance Sub Index Maint. Sub Index 6.50
Live WT (kg) -21.20 -0.307 6.50
Total Carbon Sub Index 15.15

* Based on an €80/tonne carbon price