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 6.42
Milk (kg) -120.00 -0.014 1.68
Fat (kg) -6.47 -0.375 2.42
Prot (kg) -5.24 -0.441 2.31
Fertility Sub Index 2.19
Calving Interval (days) -1.06 -1.459 1.55
Survival (%) 0.58 1.117 0.65
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 0.99
Carcass Weight (kg) -3.00 -0.528 1.58
Age of Slaughter (days) 1.37 -0.432 -0.59
Maintenance Sub Index Maint. Sub Index 4.60
Live WT (kg) -15.00 -0.307 4.60
Total Carbon Sub Index 17.90

* Based on an €80/tonne carbon price