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 4.80
Milk (kg) -187.00 -0.014 2.62
Fat (kg) -3.15 -0.375 1.18
Prot (kg) -2.26 -0.441 1.00
Fertility Sub Index 2.22
Calving Interval (days) -2.24 -1.459 3.27
Survival (%) -0.94 1.117 -1.05
Calving Sub Index 1.11
Gestation Length (days) -1.21 -0.919 1.11
Beef Sub Index 0.41
Carcass Weight (kg) -1.10 -0.528 0.58
Age of Slaughter (days) 0.39 -0.432 -0.17
Maintenance Sub Index Maint. Sub Index 0.40
Live WT (kg) -1.30 -0.307 0.40
Total Carbon Sub Index 8.93

* Based on an €80/tonne carbon price