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 8.04
Milk (kg) -144.00 -0.014 2.02
Fat (kg) -6.61 -0.375 2.48
Prot (kg) -8.05 -0.441 3.55
Fertility Sub Index 0.04
Calving Interval (days) -0.66 -1.459 0.96
Survival (%) -0.83 1.117 -0.93
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 1.00
Carcass Weight (kg) -3.70 -0.528 1.95
Age of Slaughter (days) 2.20 -0.432 -0.95
Maintenance Sub Index Maint. Sub Index 5.46
Live WT (kg) -17.80 -0.307 5.46
Total Carbon Sub Index 18.24

* Based on an €80/tonne carbon price