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 4.83
Milk (kg) -161.00 -0.014 2.25
Fat (kg) -1.84 -0.375 0.69
Prot (kg) -4.27 -0.441 1.88
Fertility Sub Index 1.69
Calving Interval (days) -0.69 -1.459 1.01
Survival (%) 0.61 1.117 0.68
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 1.45
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) 0.06 -0.432 -0.03
Maintenance Sub Index Maint. Sub Index 6.13
Live WT (kg) -20.00 -0.307 6.13
Total Carbon Sub Index 17.80

* Based on an €80/tonne carbon price