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 9.72
Milk (kg) -192.00 -0.014 2.69
Fat (kg) -9.41 -0.375 3.52
Prot (kg) -7.94 -0.441 3.50
Fertility Sub Index 0.16
Calving Interval (days) 0.21 -1.459 -0.31
Survival (%) 0.42 1.117 0.47
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 1.07
Carcass Weight (kg) -2.70 -0.528 1.42
Age of Slaughter (days) 0.83 -0.432 -0.36
Maintenance Sub Index Maint. Sub Index 3.77
Live WT (kg) -12.30 -0.307 3.77
Total Carbon Sub Index 18.40

* Based on an €80/tonne carbon price