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 6.88
Milk (kg) -217.00 -0.014 3.04
Fat (kg) -2.87 -0.375 1.07
Prot (kg) -6.27 -0.441 2.77
Fertility Sub Index 1.14
Calving Interval (days) -0.51 -1.459 0.74
Survival (%) 0.35 1.117 0.39
Calving Sub Index 2.84
Gestation Length (days) -3.09 -0.919 2.84
Beef Sub Index 2.62
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) -2.65 -0.432 1.14
Maintenance Sub Index Maint. Sub Index 6.25
Live WT (kg) -20.40 -0.307 6.25
Total Carbon Sub Index 19.73

* Based on an €80/tonne carbon price