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 3.41
Milk (kg) -38.00 -0.014 0.53
Fat (kg) -3.06 -0.375 1.15
Prot (kg) -3.93 -0.441 1.73
Fertility Sub Index -8.74
Calving Interval (days) 4.75 -1.459 -6.93
Survival (%) -1.62 1.117 -1.81
Calving Sub Index 1.01
Gestation Length (days) -1.10 -0.919 1.01
Beef Sub Index -1.11
Carcass Weight (kg) 0.60 -0.528 -0.32
Age of Slaughter (days) 1.83 -0.432 -0.79
Maintenance Sub Index Maint. Sub Index 0.95
Live WT (kg) -3.10 -0.307 0.95
Total Carbon Sub Index -4.47

* Based on an €80/tonne carbon price