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 3.71
Milk (kg) -57.00 -0.014 0.80
Fat (kg) -3.59 -0.375 1.34
Prot (kg) -3.55 -0.441 1.57
Fertility Sub Index -1.34
Calving Interval (days) 0.42 -1.459 -0.61
Survival (%) -0.65 1.117 -0.73
Calving Sub Index -0.25
Gestation Length (days) 0.27 -0.919 -0.25
Beef Sub Index 1.32
Carcass Weight (kg) -3.50 -0.528 1.85
Age of Slaughter (days) 1.22 -0.432 -0.53
Maintenance Sub Index Maint. Sub Index 3.56
Live WT (kg) -11.60 -0.307 3.56
Total Carbon Sub Index 7.00

* Based on an €80/tonne carbon price