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 25.80
Milk (kg) -575.00 -0.014 8.05
Fat (kg) -23.87 -0.375 8.94
Prot (kg) -19.97 -0.441 8.81
Fertility Sub Index 0.25
Calving Interval (days) -0.79 -1.459 1.15
Survival (%) -0.81 1.117 -0.90
Calving Sub Index 1.31
Gestation Length (days) -1.42 -0.919 1.31
Beef Sub Index -0.18
Carcass Weight (kg) -0.60 -0.528 0.32
Age of Slaughter (days) 1.16 -0.432 -0.50
Maintenance Sub Index Maint. Sub Index 3.95
Live WT (kg) -12.90 -0.307 3.95
Total Carbon Sub Index 31.13

* Based on an €80/tonne carbon price