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 4.20
Milk (kg) -82.00 -0.014 1.15
Fat (kg) -1.82 -0.375 0.68
Prot (kg) -5.36 -0.441 2.37
Fertility Sub Index -4.43
Calving Interval (days) 2.13 -1.459 -3.11
Survival (%) -1.18 1.117 -1.32
Calving Sub Index -0.55
Gestation Length (days) 0.60 -0.919 -0.55
Beef Sub Index 0.17
Carcass Weight (kg) -1.80 -0.528 0.95
Age of Slaughter (days) 1.80 -0.432 -0.78
Maintenance Sub Index Maint. Sub Index 2.24
Live WT (kg) -7.30 -0.307 2.24
Total Carbon Sub Index 1.63

* Based on an €80/tonne carbon price