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 11.32
Milk (kg) -158.00 -0.014 2.21
Fat (kg) -14.45 -0.375 5.41
Prot (kg) -8.37 -0.441 3.69
Fertility Sub Index 1.38
Calving Interval (days) -0.35 -1.459 0.51
Survival (%) 0.78 1.117 0.87
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 0.31
Carcass Weight (kg) -2.60 -0.528 1.37
Age of Slaughter (days) 2.47 -0.432 -1.07
Maintenance Sub Index Maint. Sub Index 3.95
Live WT (kg) -12.90 -0.307 3.95
Total Carbon Sub Index 20.66

* Based on an €80/tonne carbon price