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 4.99
Milk (kg) -80.00 -0.014 1.12
Fat (kg) -5.02 -0.375 1.88
Prot (kg) -4.51 -0.441 1.99
Fertility Sub Index 1.04
Calving Interval (days) -0.88 -1.459 1.28
Survival (%) -0.22 1.117 -0.25
Calving Sub Index 0.69
Gestation Length (days) -0.75 -0.919 0.69
Beef Sub Index 1.86
Carcass Weight (kg) -4.10 -0.528 2.16
Age of Slaughter (days) 0.69 -0.432 -0.30
Maintenance Sub Index Maint. Sub Index 3.56
Live WT (kg) -11.60 -0.307 3.56
Total Carbon Sub Index 12.13

* Based on an €80/tonne carbon price