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 4.74
Milk (kg) -125.00 -0.014 1.75
Fat (kg) -3.94 -0.375 1.48
Prot (kg) -3.44 -0.441 1.52
Fertility Sub Index -0.02
Calving Interval (days) -0.02 -1.459 0.03
Survival (%) -0.04 1.117 -0.04
Calving Sub Index 3.78
Gestation Length (days) -4.11 -0.919 3.78
Beef Sub Index -4.19
Carcass Weight (kg) -0.10 -0.528 0.05
Age of Slaughter (days) 9.82 -0.432 -4.24
Maintenance Sub Index Maint. Sub Index 3.03
Live WT (kg) -9.90 -0.307 3.03
Total Carbon Sub Index 7.35

* Based on an €80/tonne carbon price