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 4.86
Milk (kg) -101.00 -0.014 1.41
Fat (kg) -4.12 -0.375 1.54
Prot (kg) -4.31 -0.441 1.90
Fertility Sub Index -5.15
Calving Interval (days) 2.53 -1.459 -3.69
Survival (%) -1.31 1.117 -1.46
Calving Sub Index -0.55
Gestation Length (days) 0.60 -0.919 -0.55
Beef Sub Index 0.31
Carcass Weight (kg) -2.30 -0.528 1.21
Age of Slaughter (days) 2.09 -0.432 -0.90
Maintenance Sub Index Maint. Sub Index 2.12
Live WT (kg) -6.90 -0.307 2.12
Total Carbon Sub Index 1.58

* Based on an €80/tonne carbon price