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 4.69
Milk (kg) -138.00 -0.014 1.93
Fat (kg) -2.50 -0.375 0.94
Prot (kg) -4.13 -0.441 1.82
Fertility Sub Index 1.43
Calving Interval (days) -0.59 -1.459 0.86
Survival (%) 0.51 1.117 0.57
Calving Sub Index 2.84
Gestation Length (days) -3.09 -0.919 2.84
Beef Sub Index 1.93
Carcass Weight (kg) -2.60 -0.528 1.37
Age of Slaughter (days) -1.30 -0.432 0.56
Maintenance Sub Index Maint. Sub Index 6.19
Live WT (kg) -20.20 -0.307 6.19
Total Carbon Sub Index 17.09

* Based on an €80/tonne carbon price