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 15.48
Milk (kg) -225.00 -0.014 3.15
Fat (kg) -18.75 -0.375 7.02
Prot (kg) -12.02 -0.441 5.31
Fertility Sub Index -0.50
Calving Interval (days) 0.19 -1.459 -0.28
Survival (%) -0.20 1.117 -0.22
Calving Sub Index -1.62
Gestation Length (days) 1.76 -0.919 -1.62
Beef Sub Index -2.11
Carcass Weight (kg) 2.50 -0.528 -1.32
Age of Slaughter (days) 1.83 -0.432 -0.79
Maintenance Sub Index Maint. Sub Index 1.50
Live WT (kg) -4.90 -0.307 1.50
Total Carbon Sub Index 12.75

* Based on an €80/tonne carbon price