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 1.16
Milk (kg) -89.00 -0.014 1.25
Fat (kg) -1.78 -0.375 0.67
Prot (kg) 1.71 -0.441 -0.75
Fertility Sub Index -6.17
Calving Interval (days) 2.23 -1.459 -3.25
Survival (%) -2.61 1.117 -2.92
Calving Sub Index 2.13
Gestation Length (days) -2.32 -0.919 2.13
Beef Sub Index 2.41
Carcass Weight (kg) -6.20 -0.528 3.27
Age of Slaughter (days) 2.00 -0.432 -0.86
Maintenance Sub Index Maint. Sub Index 2.45
Live WT (kg) -8.00 -0.307 2.45
Total Carbon Sub Index 1.98

* Based on an €80/tonne carbon price