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 6.20
Milk (kg) -129.00 -0.014 1.81
Fat (kg) -4.98 -0.375 1.87
Prot (kg) -5.73 -0.441 2.53
Fertility Sub Index -2.75
Calving Interval (days) 1.31 -1.459 -1.91
Survival (%) -0.75 1.117 -0.84
Calving Sub Index -0.55
Gestation Length (days) 0.60 -0.919 -0.55
Beef Sub Index 0.30
Carcass Weight (kg) -2.40 -0.528 1.27
Age of Slaughter (days) 2.24 -0.432 -0.97
Maintenance Sub Index Maint. Sub Index 2.15
Live WT (kg) -7.00 -0.307 2.15
Total Carbon Sub Index 5.35

* Based on an €80/tonne carbon price