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 1.90
Milk (kg) -22.00 -0.014 0.31
Fat (kg) -0.75 -0.375 0.28
Prot (kg) -2.96 -0.441 1.31
Fertility Sub Index -4.85
Calving Interval (days) 2.48 -1.459 -3.62
Survival (%) -1.10 1.117 -1.23
Calving Sub Index -0.36
Gestation Length (days) 0.39 -0.919 -0.36
Beef Sub Index 0.13
Carcass Weight (kg) -1.00 -0.528 0.53
Age of Slaughter (days) 0.92 -0.432 -0.40
Maintenance Sub Index Maint. Sub Index 0.86
Live WT (kg) -2.80 -0.307 0.86
Total Carbon Sub Index -2.32

* Based on an €80/tonne carbon price