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) -98.00 -0.014 1.37
Fat (kg) -1.89 -0.375 0.71
Prot (kg) -3.03 -0.441 1.34
Fertility Sub Index 0.08
Calving Interval (days) 0.08 -1.459 -0.12
Survival (%) 0.18 1.117 0.20
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 0.07
Carcass Weight (kg) -2.90 -0.528 1.53
Age of Slaughter (days) 3.37 -0.432 -1.45
Maintenance Sub Index Maint. Sub Index 5.73
Live WT (kg) -18.70 -0.307 5.73
Total Carbon Sub Index 13.01

* Based on an €80/tonne carbon price