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 2.27
Milk (kg) -17.00 -0.014 0.24
Fat (kg) -2.04 -0.375 0.76
Prot (kg) -2.88 -0.441 1.27
Fertility Sub Index -4.85
Calving Interval (days) 2.03 -1.459 -2.96
Survival (%) -1.69 1.117 -1.89
Calving Sub Index -0.55
Gestation Length (days) 0.60 -0.919 -0.55
Beef Sub Index 1.53
Carcass Weight (kg) -3.00 -0.528 1.58
Age of Slaughter (days) 0.12 -0.432 -0.05
Maintenance Sub Index Maint. Sub Index 3.95
Live WT (kg) -12.90 -0.307 3.95
Total Carbon Sub Index 2.36

* Based on an €80/tonne carbon price