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 8.54
Milk (kg) -130.00 -0.014 1.82
Fat (kg) -8.19 -0.375 3.07
Prot (kg) -8.28 -0.441 3.65
Fertility Sub Index 0.93
Calving Interval (days) -0.93 -1.459 1.36
Survival (%) -0.38 1.117 -0.42
Calving Sub Index 0.96
Gestation Length (days) -1.04 -0.919 0.96
Beef Sub Index 3.69
Carcass Weight (kg) -7.30 -0.528 3.85
Age of Slaughter (days) 0.37 -0.432 -0.16
Maintenance Sub Index Maint. Sub Index 5.79
Live WT (kg) -18.90 -0.307 5.79
Total Carbon Sub Index 19.92

* Based on an €80/tonne carbon price