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 10.50
Milk (kg) -16.00 -0.014 0.22
Fat (kg) -22.09 -0.375 8.27
Prot (kg) -4.54 -0.441 2.00
Fertility Sub Index 0.20
Calving Interval (days) 0.24 -1.459 -0.35
Survival (%) 0.49 1.117 0.55
Calving Sub Index -1.22
Gestation Length (days) 1.33 -0.919 -1.22
Beef Sub Index -2.04
Carcass Weight (kg) -1.50 -0.528 0.79
Age of Slaughter (days) 6.55 -0.432 -2.83
Maintenance Sub Index Maint. Sub Index 4.81
Live WT (kg) -15.70 -0.307 4.81
Total Carbon Sub Index 12.26

* Based on an €80/tonne carbon price