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 -0.05
Milk (kg) 1.00 -0.014 -0.01
Fat (kg) 0.05 -0.375 -0.02
Prot (kg) 0.04 -0.441 -0.02
Fertility Sub Index -0.08
Calving Interval (days) 0.03 -1.459 -0.04
Survival (%) -0.03 1.117 -0.03
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 0.09
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) 3.21 -0.432 -1.39
Maintenance Sub Index Maint. Sub Index 5.89
Live WT (kg) -19.20 -0.307 5.89
Total Carbon Sub Index 9.55

* Based on an €80/tonne carbon price