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 3.18
Milk (kg) -111.00 -0.014 1.55
Fat (kg) -1.06 -0.375 0.40
Prot (kg) -2.78 -0.441 1.23
Fertility Sub Index 1.21
Calving Interval (days) -0.47 -1.459 0.69
Survival (%) 0.47 1.117 0.53
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index -0.42
Carcass Weight (kg) -2.60 -0.528 1.37
Age of Slaughter (days) 4.14 -0.432 -1.79
Maintenance Sub Index Maint. Sub Index 6.19
Live WT (kg) -20.20 -0.307 6.19
Total Carbon Sub Index 13.86

* Based on an €80/tonne carbon price