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 2.95
Milk (kg) -95.00 -0.014 1.33
Fat (kg) -1.17 -0.375 0.44
Prot (kg) -2.67 -0.441 1.18
Fertility Sub Index 1.22
Calving Interval (days) -0.53 -1.459 0.77
Survival (%) 0.40 1.117 0.45
Calving Sub Index 2.84
Gestation Length (days) -3.09 -0.919 2.84
Beef Sub Index 2.77
Carcass Weight (kg) -3.00 -0.528 1.58
Age of Slaughter (days) -2.75 -0.432 1.19
Maintenance Sub Index Maint. Sub Index 6.44
Live WT (kg) -21.00 -0.307 6.44
Total Carbon Sub Index 16.22

* Based on an €80/tonne carbon price