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 4.05
Milk (kg) -184.00 -0.014 2.58
Fat (kg) -0.47 -0.375 0.18
Prot (kg) -2.94 -0.441 1.30
Fertility Sub Index 7.12
Calving Interval (days) -4.67 -1.459 6.81
Survival (%) 0.27 1.117 0.30
Calving Sub Index 2.14
Gestation Length (days) -2.33 -0.919 2.14
Beef Sub Index -1.46
Carcass Weight (kg) 0.40 -0.528 -0.21
Age of Slaughter (days) 2.89 -0.432 -1.25
Maintenance Sub Index Maint. Sub Index -1.93
Live WT (kg) 6.30 -0.307 -1.93
Total Carbon Sub Index 9.92

* Based on an €80/tonne carbon price