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 3.34
Milk (kg) -113.00 -0.014 1.58
Fat (kg) -1.24 -0.375 0.46
Prot (kg) -2.92 -0.441 1.29
Fertility Sub Index 1.29
Calving Interval (days) -0.51 -1.459 0.74
Survival (%) 0.49 1.117 0.55
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 1.81
Carcass Weight (kg) -2.70 -0.528 1.42
Age of Slaughter (days) -0.89 -0.432 0.38
Maintenance Sub Index Maint. Sub Index 6.19
Live WT (kg) -20.20 -0.307 6.19
Total Carbon Sub Index 16.32

* Based on an €80/tonne carbon price