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 4.52
Milk (kg) -34.00 -0.014 0.48
Fat (kg) -3.16 -0.375 1.18
Prot (kg) -6.47 -0.441 2.86
Fertility Sub Index -8.89
Calving Interval (days) 4.34 -1.459 -6.33
Survival (%) -2.29 1.117 -2.56
Calving Sub Index 0.77
Gestation Length (days) -0.84 -0.919 0.77
Beef Sub Index -1.23
Carcass Weight (kg) -1.60 -0.528 0.84
Age of Slaughter (days) 4.81 -0.432 -2.08
Maintenance Sub Index Maint. Sub Index 1.23
Live WT (kg) -4.00 -0.307 1.23
Total Carbon Sub Index -3.61

* Based on an €80/tonne carbon price