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 4.71
Milk (kg) -90.00 -0.014 1.26
Fat (kg) -4.14 -0.375 1.55
Prot (kg) -4.30 -0.441 1.90
Fertility Sub Index 1.45
Calving Interval (days) -0.55 -1.459 0.80
Survival (%) 0.58 1.117 0.65
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 1.21
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) 0.62 -0.432 -0.27
Maintenance Sub Index Maint. Sub Index 4.94
Live WT (kg) -16.10 -0.307 4.94
Total Carbon Sub Index 16.00

* Based on an €80/tonne carbon price