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 0.50
Milk (kg) -1.00 -0.014 0.01
Fat (kg) -0.90 -0.375 0.34
Prot (kg) -0.34 -0.441 0.15
Fertility Sub Index 0.00
Calving Interval (days) -0.35 -1.459 0.51
Survival (%) -0.46 1.117 -0.51
Calving Sub Index 0.07
Gestation Length (days) -0.08 -0.919 0.07
Beef Sub Index 0.68
Carcass Weight (kg) -2.50 -0.528 1.32
Age of Slaughter (days) 1.48 -0.432 -0.64
Maintenance Sub Index Maint. Sub Index 3.16
Live WT (kg) -10.30 -0.307 3.16
Total Carbon Sub Index 4.41

* Based on an €80/tonne carbon price