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 -3.37
Milk (kg) 202.00 -0.014 -2.83
Fat (kg) 0.83 -0.375 -0.31
Prot (kg) 0.52 -0.441 -0.23
Fertility Sub Index -3.32
Calving Interval (days) 1.67 -1.459 -2.44
Survival (%) -0.79 1.117 -0.88
Calving Sub Index -0.55
Gestation Length (days) 0.60 -0.919 -0.55
Beef Sub Index 0.26
Carcass Weight (kg) -2.20 -0.528 1.16
Age of Slaughter (days) 2.08 -0.432 -0.90
Maintenance Sub Index Maint. Sub Index 1.84
Live WT (kg) -6.00 -0.307 1.84
Total Carbon Sub Index -5.13

* Based on an €80/tonne carbon price