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 9.71
Milk (kg) -105.00 -0.014 1.47
Fat (kg) -12.95 -0.375 4.85
Prot (kg) -7.67 -0.441 3.39
Fertility Sub Index -0.40
Calving Interval (days) -0.11 -1.459 0.16
Survival (%) -0.50 1.117 -0.56
Calving Sub Index 0.17
Gestation Length (days) -0.18 -0.919 0.17
Beef Sub Index 0.50
Carcass Weight (kg) -2.70 -0.528 1.42
Age of Slaughter (days) 2.13 -0.432 -0.92
Maintenance Sub Index Maint. Sub Index 3.83
Live WT (kg) -12.50 -0.307 3.83
Total Carbon Sub Index 13.81

* Based on an €80/tonne carbon price