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 3.47
Milk (kg) -104.00 -0.014 1.46
Fat (kg) -1.82 -0.375 0.68
Prot (kg) -3.02 -0.441 1.33
Fertility Sub Index -0.06
Calving Interval (days) 0.07 -1.459 -0.10
Survival (%) 0.04 1.117 0.04
Calving Sub Index 2.84
Gestation Length (days) -3.09 -0.919 2.84
Beef Sub Index 1.28
Carcass Weight (kg) -2.90 -0.528 1.53
Age of Slaughter (days) 0.58 -0.432 -0.25
Maintenance Sub Index Maint. Sub Index 5.95
Live WT (kg) -19.40 -0.307 5.95
Total Carbon Sub Index 13.48

* Based on an €80/tonne carbon price