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 4.84
Milk (kg) -72.00 -0.014 1.01
Fat (kg) -4.99 -0.375 1.87
Prot (kg) -4.45 -0.441 1.96
Fertility Sub Index -13.25
Calving Interval (days) 6.79 -1.459 -9.91
Survival (%) -2.99 1.117 -3.34
Calving Sub Index -0.44
Gestation Length (days) 0.48 -0.919 -0.44
Beef Sub Index 1.00
Carcass Weight (kg) -2.40 -0.528 1.27
Age of Slaughter (days) 0.61 -0.432 -0.26
Maintenance Sub Index Maint. Sub Index 1.53
Live WT (kg) -5.00 -0.307 1.53
Total Carbon Sub Index -6.32

* Based on an €80/tonne carbon price