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 4.15
Milk (kg) -122.00 -0.014 1.71
Fat (kg) -3.62 -0.375 1.36
Prot (kg) -2.45 -0.441 1.08
Fertility Sub Index -2.87
Calving Interval (days) 1.33 -1.459 -1.94
Survival (%) -0.83 1.117 -0.93
Calving Sub Index 5.18
Gestation Length (days) -5.64 -0.919 5.18
Beef Sub Index 0.72
Carcass Weight (kg) -2.00 -0.528 1.06
Age of Slaughter (days) 0.77 -0.432 -0.33
Maintenance Sub Index Maint. Sub Index 2.33
Live WT (kg) -7.60 -0.307 2.33
Total Carbon Sub Index 9.51

* Based on an €80/tonne carbon price