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 1.33
Milk (kg) -25.00 -0.014 0.35
Fat (kg) -1.22 -0.375 0.46
Prot (kg) -1.19 -0.441 0.53
Fertility Sub Index 2.17
Calving Interval (days) -1.01 -1.459 1.47
Survival (%) 0.62 1.117 0.69
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 2.21
Carcass Weight (kg) -3.20 -0.528 1.69
Age of Slaughter (days) -1.22 -0.432 0.53
Maintenance Sub Index Maint. Sub Index 6.32
Live WT (kg) -20.60 -0.307 6.32
Total Carbon Sub Index 15.73

* Based on an €80/tonne carbon price