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 4.98
Milk (kg) -98.00 -0.014 1.37
Fat (kg) -4.40 -0.375 1.65
Prot (kg) -4.43 -0.441 1.96
Fertility Sub Index 0.03
Calving Interval (days) 0.11 -1.459 -0.16
Survival (%) 0.17 1.117 0.19
Calving Sub Index 2.84
Gestation Length (days) -3.09 -0.919 2.84
Beef Sub Index -0.80
Carcass Weight (kg) -0.80 -0.528 0.42
Age of Slaughter (days) 2.84 -0.432 -1.23
Maintenance Sub Index Maint. Sub Index 4.32
Live WT (kg) -14.10 -0.307 4.32
Total Carbon Sub Index 11.36

* Based on an €80/tonne carbon price