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 6.37
Milk (kg) -122.00 -0.014 1.71
Fat (kg) -5.21 -0.375 1.95
Prot (kg) -6.14 -0.441 2.71
Fertility Sub Index 0.96
Calving Interval (days) -0.25 -1.459 0.36
Survival (%) 0.53 1.117 0.59
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 1.13
Carcass Weight (kg) -2.50 -0.528 1.32
Age of Slaughter (days) 0.43 -0.432 -0.19
Maintenance Sub Index Maint. Sub Index 4.48
Live WT (kg) -14.60 -0.307 4.48
Total Carbon Sub Index 16.63

* Based on an €80/tonne carbon price