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 6.77
Milk (kg) -203.00 -0.014 2.84
Fat (kg) -3.42 -0.375 1.28
Prot (kg) -5.99 -0.441 2.64
Fertility Sub Index 2.82
Calving Interval (days) -1.25 -1.459 1.82
Survival (%) 0.89 1.117 0.99
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 1.28
Carcass Weight (kg) -3.30 -0.528 1.74
Age of Slaughter (days) 1.06 -0.432 -0.46
Maintenance Sub Index Maint. Sub Index 5.95
Live WT (kg) -19.40 -0.307 5.95
Total Carbon Sub Index 20.50

* Based on an €80/tonne carbon price