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 5.55
Milk (kg) -130.00 -0.014 1.82
Fat (kg) -4.05 -0.375 1.52
Prot (kg) -5.02 -0.441 2.22
Fertility Sub Index -10.92
Calving Interval (days) 5.41 -1.459 -7.89
Survival (%) -2.71 1.117 -3.03
Calving Sub Index -0.55
Gestation Length (days) 0.60 -0.919 -0.55
Beef Sub Index -0.26
Carcass Weight (kg) 0.50 -0.528 -0.26
Age of Slaughter (days) 0.00 -0.432 0.00
Maintenance Sub Index Maint. Sub Index 1.23
Live WT (kg) -4.00 -0.307 1.23
Total Carbon Sub Index -4.96

* Based on an €80/tonne carbon price