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 12.61
Milk (kg) -146.00 -0.014 2.04
Fat (kg) -14.20 -0.375 5.32
Prot (kg) -11.89 -0.441 5.25
Fertility Sub Index 5.16
Calving Interval (days) -1.89 -1.459 2.76
Survival (%) 2.15 1.117 2.40
Calving Sub Index -3.16
Gestation Length (days) 3.44 -0.919 -3.16
Beef Sub Index 0.05
Carcass Weight (kg) 0.30 -0.528 -0.16
Age of Slaughter (days) -0.49 -0.432 0.21
Maintenance Sub Index Maint. Sub Index 1.59
Live WT (kg) -5.20 -0.307 1.59
Total Carbon Sub Index 16.26

* Based on an €80/tonne carbon price