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 6.22
Milk (kg) -141.00 -0.014 1.97
Fat (kg) -5.25 -0.375 1.97
Prot (kg) -5.16 -0.441 2.28
Fertility Sub Index -1.31
Calving Interval (days) 1.05 -1.459 -1.53
Survival (%) 0.20 1.117 0.22
Calving Sub Index 0.74
Gestation Length (days) -0.81 -0.919 0.74
Beef Sub Index -1.46
Carcass Weight (kg) -4.30 -0.528 2.27
Age of Slaughter (days) 8.63 -0.432 -3.73
Maintenance Sub Index Maint. Sub Index 7.48
Live WT (kg) -24.40 -0.307 7.48
Total Carbon Sub Index 11.68

* Based on an €80/tonne carbon price