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 4.69
Milk (kg) -75.00 -0.014 1.05
Fat (kg) -3.06 -0.375 1.15
Prot (kg) -5.66 -0.441 2.50
Fertility Sub Index -5.18
Calving Interval (days) 2.79 -1.459 -4.07
Survival (%) -0.99 1.117 -1.11
Calving Sub Index 0.40
Gestation Length (days) -0.44 -0.919 0.40
Beef Sub Index 1.12
Carcass Weight (kg) -2.50 -0.528 1.32
Age of Slaughter (days) 0.47 -0.432 -0.20
Maintenance Sub Index Maint. Sub Index 1.07
Live WT (kg) -3.50 -0.307 1.07
Total Carbon Sub Index 2.11

* Based on an €80/tonne carbon price