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 4.01
Milk (kg) -94.00 -0.014 1.32
Fat (kg) -2.94 -0.375 1.10
Prot (kg) -3.60 -0.441 1.59
Fertility Sub Index 1.69
Calving Interval (days) -0.76 -1.459 1.11
Survival (%) 0.52 1.117 0.58
Calving Sub Index 2.84
Gestation Length (days) -3.09 -0.919 2.84
Beef Sub Index 2.32
Carcass Weight (kg) -3.10 -0.528 1.64
Age of Slaughter (days) -1.58 -0.432 0.68
Maintenance Sub Index Maint. Sub Index 6.25
Live WT (kg) -20.40 -0.307 6.25
Total Carbon Sub Index 17.11

* Based on an €80/tonne carbon price