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 5.86
Milk (kg) -36.00 -0.014 0.50
Fat (kg) -5.30 -0.375 1.99
Prot (kg) -7.64 -0.441 3.37
Fertility Sub Index -4.35
Calving Interval (days) 1.82 -1.459 -2.66
Survival (%) -1.52 1.117 -1.70
Calving Sub Index -0.55
Gestation Length (days) 0.60 -0.919 -0.55
Beef Sub Index -0.02
Carcass Weight (kg) -1.50 -0.528 0.79
Age of Slaughter (days) 1.87 -0.432 -0.81
Maintenance Sub Index Maint. Sub Index 2.27
Live WT (kg) -7.40 -0.307 2.27
Total Carbon Sub Index 3.21

* Based on an €80/tonne carbon price