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 8.81
Milk (kg) -173.00 -0.014 2.42
Fat (kg) -8.44 -0.375 3.16
Prot (kg) -7.32 -0.441 3.23
Fertility Sub Index 1.87
Calving Interval (days) -0.75 -1.459 1.09
Survival (%) 0.69 1.117 0.77
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 2.35
Carcass Weight (kg) -3.50 -0.528 1.85
Age of Slaughter (days) -1.17 -0.432 0.51
Maintenance Sub Index Maint. Sub Index 6.44
Live WT (kg) -21.00 -0.307 6.44
Total Carbon Sub Index 23.16

* Based on an €80/tonne carbon price