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 6.52
Milk (kg) -117.00 -0.014 1.64
Fat (kg) -4.88 -0.375 1.83
Prot (kg) -6.93 -0.441 3.06
Fertility Sub Index -9.17
Calving Interval (days) 4.71 -1.459 -6.87
Survival (%) -2.06 1.117 -2.30
Calving Sub Index -0.25
Gestation Length (days) 0.27 -0.919 -0.25
Beef Sub Index 0.31
Carcass Weight (kg) -2.40 -0.528 1.27
Age of Slaughter (days) 2.22 -0.432 -0.96
Maintenance Sub Index Maint. Sub Index 1.23
Live WT (kg) -4.00 -0.307 1.23
Total Carbon Sub Index -1.37

* Based on an €80/tonne carbon price