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 9.83
Milk (kg) -204.00 -0.014 2.86
Fat (kg) -9.27 -0.375 3.47
Prot (kg) -7.94 -0.441 3.50
Fertility Sub Index 0.08
Calving Interval (days) 0.27 -1.459 -0.39
Survival (%) 0.42 1.117 0.47
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 1.16
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) 0.73 -0.432 -0.32
Maintenance Sub Index Maint. Sub Index 3.68
Live WT (kg) -12.00 -0.307 3.68
Total Carbon Sub Index 18.44

* Based on an €80/tonne carbon price