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 7.06
Milk (kg) -115.00 -0.014 1.61
Fat (kg) -7.41 -0.375 2.78
Prot (kg) -6.07 -0.441 2.68
Fertility Sub Index 1.64
Calving Interval (days) -0.83 -1.459 1.21
Survival (%) 0.38 1.117 0.42
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 1.16
Carcass Weight (kg) -4.50 -0.528 2.37
Age of Slaughter (days) 2.81 -0.432 -1.21
Maintenance Sub Index Maint. Sub Index 4.84
Live WT (kg) -15.80 -0.307 4.84
Total Carbon Sub Index 18.40

* Based on an €80/tonne carbon price