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 4.33
Milk (kg) -107.00 -0.014 1.50
Fat (kg) -2.99 -0.375 1.12
Prot (kg) -3.88 -0.441 1.71
Fertility Sub Index 1.28
Calving Interval (days) -0.57 -1.459 0.83
Survival (%) 0.40 1.117 0.45
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index -0.12
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) 3.70 -0.432 -1.60
Maintenance Sub Index Maint. Sub Index 6.07
Live WT (kg) -19.80 -0.307 6.07
Total Carbon Sub Index 15.26

* Based on an €80/tonne carbon price