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 3.42
Milk (kg) -71.00 -0.014 0.99
Fat (kg) -2.91 -0.375 1.09
Prot (kg) -3.02 -0.441 1.33
Fertility Sub Index 2.57
Calving Interval (days) -1.25 -1.459 1.82
Survival (%) 0.67 1.117 0.75
Calving Sub Index 2.84
Gestation Length (days) -3.09 -0.919 2.84
Beef Sub Index 2.01
Carcass Weight (kg) -3.30 -0.528 1.74
Age of Slaughter (days) -0.62 -0.432 0.27
Maintenance Sub Index Maint. Sub Index 6.35
Live WT (kg) -20.70 -0.307 6.35
Total Carbon Sub Index 17.18

* Based on an €80/tonne carbon price