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 7.87
Milk (kg) -88.00 -0.014 1.23
Fat (kg) -7.32 -0.375 2.74
Prot (kg) -8.83 -0.441 3.90
Fertility Sub Index -5.20
Calving Interval (days) 2.41 -1.459 -3.52
Survival (%) -1.51 1.117 -1.69
Calving Sub Index -0.55
Gestation Length (days) 0.60 -0.919 -0.55
Beef Sub Index 0.28
Carcass Weight (kg) -1.70 -0.528 0.90
Age of Slaughter (days) 1.44 -0.432 -0.62
Maintenance Sub Index Maint. Sub Index 2.05
Live WT (kg) -6.70 -0.307 2.05
Total Carbon Sub Index 4.45

* Based on an €80/tonne carbon price