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 2.80
Milk (kg) -81.00 -0.014 1.13
Fat (kg) -4.54 -0.375 1.70
Prot (kg) 0.07 -0.441 -0.03
Fertility Sub Index 0.40
Calving Interval (days) -0.52 -1.459 0.76
Survival (%) -0.32 1.117 -0.36
Calving Sub Index 3.69
Gestation Length (days) -4.01 -0.919 3.69
Beef Sub Index 0.31
Carcass Weight (kg) -2.10 -0.528 1.11
Age of Slaughter (days) 1.84 -0.432 -0.79
Maintenance Sub Index Maint. Sub Index -2.42
Live WT (kg) 7.90 -0.307 -2.42
Total Carbon Sub Index 4.79

* Based on an €80/tonne carbon price