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 3.46
Milk (kg) -72.00 -0.014 1.01
Fat (kg) -2.90 -0.375 1.09
Prot (kg) -3.09 -0.441 1.36
Fertility Sub Index -0.54
Calving Interval (days) 0.05 -1.459 -0.07
Survival (%) -0.42 1.117 -0.47
Calving Sub Index -0.55
Gestation Length (days) 0.60 -0.919 -0.55
Beef Sub Index -0.04
Carcass Weight (kg) -1.40 -0.528 0.74
Age of Slaughter (days) 1.81 -0.432 -0.78
Maintenance Sub Index Maint. Sub Index 2.18
Live WT (kg) -7.10 -0.307 2.18
Total Carbon Sub Index 4.50

* Based on an €80/tonne carbon price