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 2.86
Milk (kg) -85.00 -0.014 1.19
Fat (kg) -1.32 -0.375 0.49
Prot (kg) -2.67 -0.441 1.18
Fertility Sub Index -0.91
Calving Interval (days) 0.15 -1.459 -0.22
Survival (%) -0.62 1.117 -0.69
Calving Sub Index -0.55
Gestation Length (days) 0.60 -0.919 -0.55
Beef Sub Index 0.65
Carcass Weight (kg) -2.60 -0.528 1.37
Age of Slaughter (days) 1.66 -0.432 -0.72
Maintenance Sub Index Maint. Sub Index 3.03
Live WT (kg) -9.90 -0.307 3.03
Total Carbon Sub Index 5.09

* Based on an €80/tonne carbon price