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 3.48
Milk (kg) -113.00 -0.014 1.58
Fat (kg) -1.31 -0.375 0.49
Prot (kg) -3.19 -0.441 1.41
Fertility Sub Index 1.71
Calving Interval (days) -0.83 -1.459 1.21
Survival (%) 0.45 1.117 0.50
Calving Sub Index 2.84
Gestation Length (days) -3.09 -0.919 2.84
Beef Sub Index 2.63
Carcass Weight (kg) -3.00 -0.528 1.58
Age of Slaughter (days) -2.42 -0.432 1.04
Maintenance Sub Index Maint. Sub Index 6.56
Live WT (kg) -21.40 -0.307 6.56
Total Carbon Sub Index 17.22

* Based on an €80/tonne carbon price