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 2.03
Milk (kg) -41.00 -0.014 0.57
Fat (kg) -0.70 -0.375 0.26
Prot (kg) -2.70 -0.441 1.19
Fertility Sub Index 1.60
Calving Interval (days) -1.32 -1.459 1.93
Survival (%) -0.29 1.117 -0.32
Calving Sub Index 0.75
Gestation Length (days) -0.82 -0.919 0.75
Beef Sub Index -0.01
Carcass Weight (kg) -1.50 -0.528 0.79
Age of Slaughter (days) 1.85 -0.432 -0.80
Maintenance Sub Index Maint. Sub Index 2.61
Live WT (kg) -8.50 -0.307 2.61
Total Carbon Sub Index 6.99

* Based on an €80/tonne carbon price