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 3.22
Milk (kg) -18.00 -0.014 0.25
Fat (kg) -5.22 -0.375 1.96
Prot (kg) -2.29 -0.441 1.01
Fertility Sub Index 1.64
Calving Interval (days) -0.70 -1.459 1.02
Survival (%) 0.55 1.117 0.61
Calving Sub Index -1.83
Gestation Length (days) 1.99 -0.919 -1.83
Beef Sub Index -6.79
Carcass Weight (kg) 13.40 -0.528 -7.07
Age of Slaughter (days) -0.64 -0.432 0.28
Maintenance Sub Index Maint. Sub Index -7.85
Live WT (kg) 25.60 -0.307 -7.85
Total Carbon Sub Index -11.62

* Based on an €80/tonne carbon price