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 1.56
Milk (kg) -55.00 -0.014 0.77
Fat (kg) -0.53 -0.375 0.20
Prot (kg) -1.35 -0.441 0.60
Fertility Sub Index 1.07
Calving Interval (days) -0.49 -1.459 0.71
Survival (%) 0.32 1.117 0.36
Calving Sub Index 2.84
Gestation Length (days) -3.09 -0.919 2.84
Beef Sub Index 2.80
Carcass Weight (kg) -3.00 -0.528 1.58
Age of Slaughter (days) -2.82 -0.432 1.22
Maintenance Sub Index Maint. Sub Index 6.47
Live WT (kg) -21.10 -0.307 6.47
Total Carbon Sub Index 14.75

* Based on an €80/tonne carbon price