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 5.09
Milk (kg) -101.00 -0.014 1.41
Fat (kg) -4.52 -0.375 1.69
Prot (kg) -4.49 -0.441 1.98
Fertility Sub Index 1.98
Calving Interval (days) -0.88 -1.459 1.28
Survival (%) 0.62 1.117 0.69
Calving Sub Index 2.84
Gestation Length (days) -3.09 -0.919 2.84
Beef Sub Index 2.32
Carcass Weight (kg) -3.20 -0.528 1.69
Age of Slaughter (days) -1.47 -0.432 0.63
Maintenance Sub Index Maint. Sub Index 6.25
Live WT (kg) -20.40 -0.307 6.25
Total Carbon Sub Index 18.49

* Based on an €80/tonne carbon price