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 0.45
Milk (kg) -10.00 -0.014 0.14
Fat (kg) -0.91 -0.375 0.34
Prot (kg) 0.08 -0.441 -0.04
Fertility Sub Index 0.74
Calving Interval (days) -0.62 -1.459 0.90
Survival (%) -0.15 1.117 -0.17
Calving Sub Index 1.35
Gestation Length (days) -1.47 -0.919 1.35
Beef Sub Index 2.90
Carcass Weight (kg) -6.10 -0.528 3.22
Age of Slaughter (days) 0.73 -0.432 -0.32
Maintenance Sub Index Maint. Sub Index 3.13
Live WT (kg) -10.20 -0.307 3.13
Total Carbon Sub Index 8.56

* Based on an €80/tonne carbon price