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 1.42
Calving Interval (days) -1.39 -1.459 2.03
Survival (%) -0.54 1.117 -0.60
Calving Sub Index 0.18
Gestation Length (days) -0.20 -0.919 0.18
Beef Sub Index 0.27
Carcass Weight (kg) -1.40 -0.528 0.74
Age of Slaughter (days) 1.09 -0.432 -0.47
Maintenance Sub Index Maint. Sub Index 2.51
Live WT (kg) -8.20 -0.307 2.51
Total Carbon Sub Index 6.42

* Based on an €80/tonne carbon price