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 14.30
Milk (kg) -218.00 -0.014 3.05
Fat (kg) -15.59 -0.375 5.84
Prot (kg) -12.25 -0.441 5.41
Fertility Sub Index -0.19
Calving Interval (days) -0.25 -1.459 0.36
Survival (%) -0.50 1.117 -0.56
Calving Sub Index 1.02
Gestation Length (days) -1.11 -0.919 1.02
Beef Sub Index 0.24
Carcass Weight (kg) -0.90 -0.528 0.47
Age of Slaughter (days) 0.55 -0.432 -0.24
Maintenance Sub Index Maint. Sub Index 1.20
Live WT (kg) -3.90 -0.307 1.20
Total Carbon Sub Index 16.56

* Based on an €80/tonne carbon price