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 11.80
Milk (kg) -31.00 -0.014 0.43
Fat (kg) -15.63 -0.375 5.85
Prot (kg) -12.48 -0.441 5.51
Fertility Sub Index -11.28
Calving Interval (days) 5.83 -1.459 -8.51
Survival (%) -2.48 1.117 -2.77
Calving Sub Index 0.32
Gestation Length (days) -0.35 -0.919 0.32
Beef Sub Index -5.30
Carcass Weight (kg) 5.30 -0.528 -2.80
Age of Slaughter (days) 5.81 -0.432 -2.51
Maintenance Sub Index Maint. Sub Index -1.20
Live WT (kg) 3.90 -0.307 -1.20
Total Carbon Sub Index -5.66

* Based on an €80/tonne carbon price