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 5.36
Milk (kg) -130.00 -0.014 1.82
Fat (kg) -3.66 -0.375 1.37
Prot (kg) -4.92 -0.441 2.17
Fertility Sub Index -9.60
Calving Interval (days) 4.48 -1.459 -6.54
Survival (%) -2.74 1.117 -3.06
Calving Sub Index -0.55
Gestation Length (days) 0.60 -0.919 -0.55
Beef Sub Index 0.25
Carcass Weight (kg) 0.20 -0.528 -0.11
Age of Slaughter (days) -0.83 -0.432 0.36
Maintenance Sub Index Maint. Sub Index 1.56
Live WT (kg) -5.10 -0.307 1.56
Total Carbon Sub Index -2.97

* Based on an €80/tonne carbon price