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 18.14
Milk (kg) -313.00 -0.014 4.38
Fat (kg) -18.24 -0.375 6.83
Prot (kg) -15.70 -0.441 6.93
Fertility Sub Index 2.71
Calving Interval (days) -2.18 -1.459 3.18
Survival (%) -0.42 1.117 -0.47
Calving Sub Index 0.82
Gestation Length (days) -0.89 -0.919 0.82
Beef Sub Index 0.79
Carcass Weight (kg) -4.20 -0.528 2.22
Age of Slaughter (days) 3.30 -0.432 -1.42
Maintenance Sub Index Maint. Sub Index 3.13
Live WT (kg) -10.20 -0.307 3.13
Total Carbon Sub Index 25.59

* Based on an €80/tonne carbon price