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 1.60
Milk (kg) -33.00 -0.014 0.46
Fat (kg) -1.35 -0.375 0.51
Prot (kg) -1.44 -0.441 0.64
Fertility Sub Index -0.68
Calving Interval (days) 0.33 -1.459 -0.48
Survival (%) -0.18 1.117 -0.20
Calving Sub Index -0.55
Gestation Length (days) 0.60 -0.919 -0.55
Beef Sub Index 0.83
Carcass Weight (kg) -1.60 -0.528 0.84
Age of Slaughter (days) 0.03 -0.432 -0.01
Maintenance Sub Index Maint. Sub Index 2.08
Live WT (kg) -6.80 -0.307 2.08
Total Carbon Sub Index 3.29

* Based on an €80/tonne carbon price