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 8.27
Milk (kg) -119.00 -0.014 1.67
Fat (kg) -9.07 -0.375 3.40
Prot (kg) -7.26 -0.441 3.20
Fertility Sub Index -2.28
Calving Interval (days) 1.09 -1.459 -1.59
Survival (%) -0.62 1.117 -0.69
Calving Sub Index -0.55
Gestation Length (days) 0.60 -0.919 -0.55
Beef Sub Index 0.86
Carcass Weight (kg) -1.40 -0.528 0.74
Age of Slaughter (days) -0.27 -0.432 0.12
Maintenance Sub Index Maint. Sub Index 1.90
Live WT (kg) -6.20 -0.307 1.90
Total Carbon Sub Index 8.19

* Based on an €80/tonne carbon price