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 16.41
Milk (kg) -341.00 -0.014 4.77
Fat (kg) -15.81 -0.375 5.92
Prot (kg) -12.94 -0.441 5.71
Fertility Sub Index 1.89
Calving Interval (days) -1.48 -1.459 2.16
Survival (%) -0.24 1.117 -0.27
Calving Sub Index 1.17
Gestation Length (days) -1.27 -0.919 1.17
Beef Sub Index 0.18
Carcass Weight (kg) 1.00 -0.528 -0.53
Age of Slaughter (days) -1.63 -0.432 0.70
Maintenance Sub Index Maint. Sub Index 0.25
Live WT (kg) -0.80 -0.307 0.25
Total Carbon Sub Index 19.88

* Based on an €80/tonne carbon price