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 10.62
Milk (kg) -97.00 -0.014 1.36
Fat (kg) -12.95 -0.375 4.85
Prot (kg) -10.00 -0.441 4.41
Fertility Sub Index -0.29
Calving Interval (days) -0.75 -1.459 1.09
Survival (%) -1.24 1.117 -1.39
Calving Sub Index -0.25
Gestation Length (days) 0.27 -0.919 -0.25
Beef Sub Index 2.93
Carcass Weight (kg) -4.30 -0.528 2.27
Age of Slaughter (days) -1.53 -0.432 0.66
Maintenance Sub Index Maint. Sub Index 1.93
Live WT (kg) -6.30 -0.307 1.93
Total Carbon Sub Index 14.94

* Based on an €80/tonne carbon price