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 7.38
Milk (kg) -159.00 -0.014 2.23
Fat (kg) -6.04 -0.375 2.26
Prot (kg) -6.56 -0.441 2.90
Fertility Sub Index -2.87
Calving Interval (days) 1.33 -1.459 -1.94
Survival (%) -0.83 1.117 -0.93
Calving Sub Index 0.45
Gestation Length (days) -0.49 -0.919 0.45
Beef Sub Index 1.25
Carcass Weight (kg) -3.20 -0.528 1.69
Age of Slaughter (days) 1.02 -0.432 -0.44
Maintenance Sub Index Maint. Sub Index 3.71
Live WT (kg) -12.10 -0.307 3.71
Total Carbon Sub Index 9.92

* Based on an €80/tonne carbon price