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 2.80
Milk (kg) -97.00 -0.014 1.36
Fat (kg) -0.93 -0.375 0.35
Prot (kg) -2.47 -0.441 1.09
Fertility Sub Index 2.29
Calving Interval (days) -1.07 -1.459 1.56
Survival (%) 0.65 1.117 0.73
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 2.14
Carcass Weight (kg) -3.20 -0.528 1.69
Age of Slaughter (days) -1.04 -0.432 0.45
Maintenance Sub Index Maint. Sub Index 6.41
Live WT (kg) -20.90 -0.307 6.41
Total Carbon Sub Index 17.33

* Based on an €80/tonne carbon price