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 7.34
Milk (kg) -152.00 -0.014 2.13
Fat (kg) -5.01 -0.375 1.88
Prot (kg) -7.55 -0.441 3.33
Fertility Sub Index -0.70
Calving Interval (days) 0.44 -1.459 -0.64
Survival (%) -0.05 1.117 -0.06
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 1.44
Carcass Weight (kg) -2.90 -0.528 1.53
Age of Slaughter (days) 0.21 -0.432 -0.09
Maintenance Sub Index Maint. Sub Index 3.86
Live WT (kg) -12.60 -0.307 3.86
Total Carbon Sub Index 15.64

* Based on an €80/tonne carbon price