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 4.38
Milk (kg) -79.00 -0.014 1.11
Fat (kg) -4.31 -0.375 1.61
Prot (kg) -3.77 -0.441 1.66
Fertility Sub Index -1.60
Calving Interval (days) 0.66 -1.459 -0.96
Survival (%) -0.57 1.117 -0.64
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 0.53
Carcass Weight (kg) -1.50 -0.528 0.79
Age of Slaughter (days) 0.61 -0.432 -0.26
Maintenance Sub Index Maint. Sub Index 3.07
Live WT (kg) -10.00 -0.307 3.07
Total Carbon Sub Index 10.07

* Based on an €80/tonne carbon price