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 11.87
Milk (kg) -254.00 -0.014 3.56
Fat (kg) -10.37 -0.375 3.88
Prot (kg) -10.03 -0.441 4.43
Fertility Sub Index 2.25
Calving Interval (days) -1.10 -1.459 1.60
Survival (%) 0.58 1.117 0.65
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 1.00
Carcass Weight (kg) -5.30 -0.528 2.80
Age of Slaughter (days) 4.17 -0.432 -1.80
Maintenance Sub Index Maint. Sub Index 5.27
Live WT (kg) -17.20 -0.307 5.27
Total Carbon Sub Index 24.08

* Based on an €80/tonne carbon price