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 2.39
Milk (kg) -93.00 -0.014 1.30
Fat (kg) -1.54 -0.375 0.58
Prot (kg) -1.15 -0.441 0.51
Fertility Sub Index 1.86
Calving Interval (days) -0.65 -1.459 0.95
Survival (%) 0.82 1.117 0.92
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 0.55
Carcass Weight (kg) -3.20 -0.528 1.69
Age of Slaughter (days) 2.64 -0.432 -1.14
Maintenance Sub Index Maint. Sub Index 1.20
Live WT (kg) -3.90 -0.307 1.20
Total Carbon Sub Index 9.70

* Based on an €80/tonne carbon price