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 2.58
Milk (kg) -75.00 -0.014 1.05
Fat (kg) -2.85 -0.375 1.07
Prot (kg) -1.04 -0.441 0.46
Fertility Sub Index 2.64
Calving Interval (days) -1.05 -1.459 1.53
Survival (%) 0.99 1.117 1.11
Calving Sub Index 3.81
Gestation Length (days) -4.15 -0.919 3.81
Beef Sub Index -3.65
Carcass Weight (kg) 2.90 -0.528 -1.53
Age of Slaughter (days) 4.90 -0.432 -2.12
Maintenance Sub Index Maint. Sub Index 0.92
Live WT (kg) -3.00 -0.307 0.92
Total Carbon Sub Index 6.30

* Based on an €80/tonne carbon price