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 4.20
Milk (kg) -108.00 -0.014 1.51
Fat (kg) -3.87 -0.375 1.45
Prot (kg) -2.80 -0.441 1.24
Fertility Sub Index 0.34
Calving Interval (days) -0.01 -1.459 0.01
Survival (%) 0.29 1.117 0.32
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 1.11
Carcass Weight (kg) -3.80 -0.528 2.00
Age of Slaughter (days) 2.08 -0.432 -0.90
Maintenance Sub Index Maint. Sub Index 3.89
Live WT (kg) -12.70 -0.307 3.89
Total Carbon Sub Index 13.23

* Based on an €80/tonne carbon price