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 5.90
Milk (kg) -91.00 -0.014 1.27
Fat (kg) -7.50 -0.375 2.81
Prot (kg) -4.11 -0.441 1.81
Fertility Sub Index 2.29
Calving Interval (days) -1.24 -1.459 1.81
Survival (%) 0.43 1.117 0.48
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 1.52
Carcass Weight (kg) -2.70 -0.528 1.42
Age of Slaughter (days) -0.22 -0.432 0.09
Maintenance Sub Index Maint. Sub Index 6.22
Live WT (kg) -20.30 -0.307 6.22
Total Carbon Sub Index 19.63

* Based on an €80/tonne carbon price