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 12.34
Milk (kg) -186.00 -0.014 2.60
Fat (kg) -14.28 -0.375 5.35
Prot (kg) -9.94 -0.441 4.39
Fertility Sub Index -0.50
Calving Interval (days) 0.71 -1.459 -1.04
Survival (%) 0.48 1.117 0.54
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 0.50
Carcass Weight (kg) -2.60 -0.528 1.37
Age of Slaughter (days) 2.03 -0.432 -0.88
Maintenance Sub Index Maint. Sub Index 4.69
Live WT (kg) -15.30 -0.307 4.69
Total Carbon Sub Index 20.72

* Based on an €80/tonne carbon price