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 8.22
Milk (kg) -57.00 -0.014 0.80
Fat (kg) -12.43 -0.375 4.66
Prot (kg) -6.27 -0.441 2.77
Fertility Sub Index 0.03
Calving Interval (days) 0.17 -1.459 -0.25
Survival (%) 0.25 1.117 0.28
Calving Sub Index -1.92
Gestation Length (days) 2.09 -0.919 -1.92
Beef Sub Index -5.26
Carcass Weight (kg) 12.40 -0.528 -6.54
Age of Slaughter (days) -2.96 -0.432 1.28
Maintenance Sub Index Maint. Sub Index -6.77
Live WT (kg) 22.10 -0.307 -6.77
Total Carbon Sub Index -5.71

* Based on an €80/tonne carbon price