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 4.20
Milk (kg) -15.00 -0.014 0.21
Fat (kg) -6.05 -0.375 2.27
Prot (kg) -3.90 -0.441 1.72
Fertility Sub Index -1.04
Calving Interval (days) 0.23 -1.459 -0.34
Survival (%) -0.63 1.117 -0.70
Calving Sub Index 0.80
Gestation Length (days) -0.87 -0.919 0.80
Beef Sub Index 2.77
Carcass Weight (kg) -5.00 -0.528 2.64
Age of Slaughter (days) -0.31 -0.432 0.13
Maintenance Sub Index Maint. Sub Index 1.50
Live WT (kg) -4.90 -0.307 1.50
Total Carbon Sub Index 8.23

* Based on an €80/tonne carbon price