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 2.66
Milk (kg) -48.00 -0.014 0.67
Fat (kg) -2.60 -0.375 0.97
Prot (kg) -2.30 -0.441 1.02
Fertility Sub Index 1.21
Calving Interval (days) -0.51 -1.459 0.74
Survival (%) 0.42 1.117 0.47
Calving Sub Index 2.84
Gestation Length (days) -3.09 -0.919 2.84
Beef Sub Index 2.29
Carcass Weight (kg) -2.70 -0.528 1.42
Age of Slaughter (days) -2.00 -0.432 0.86
Maintenance Sub Index Maint. Sub Index 6.32
Live WT (kg) -20.60 -0.307 6.32
Total Carbon Sub Index 15.31

* Based on an €80/tonne carbon price