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 2.69
Milk (kg) -82.00 -0.014 1.15
Fat (kg) -1.43 -0.375 0.54
Prot (kg) -2.29 -0.441 1.01
Fertility Sub Index 1.29
Calving Interval (days) -0.54 -1.459 0.79
Survival (%) 0.45 1.117 0.50
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 2.25
Carcass Weight (kg) -2.90 -0.528 1.53
Age of Slaughter (days) -1.66 -0.432 0.72
Maintenance Sub Index Maint. Sub Index 6.19
Live WT (kg) -20.20 -0.307 6.19
Total Carbon Sub Index 16.12

* Based on an €80/tonne carbon price