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 3.98
Milk (kg) -71.00 -0.014 0.99
Fat (kg) -3.92 -0.375 1.47
Prot (kg) -3.45 -0.441 1.52
Fertility Sub Index 1.96
Calving Interval (days) -0.79 -1.459 1.15
Survival (%) 0.72 1.117 0.80
Calving Sub Index 2.84
Gestation Length (days) -3.09 -0.919 2.84
Beef Sub Index 2.34
Carcass Weight (kg) -3.50 -0.528 1.85
Age of Slaughter (days) -1.14 -0.432 0.49
Maintenance Sub Index Maint. Sub Index 6.19
Live WT (kg) -20.20 -0.307 6.19
Total Carbon Sub Index 17.31

* Based on an €80/tonne carbon price