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 5.32
Milk (kg) -136.00 -0.014 1.90
Fat (kg) -7.32 -0.375 2.74
Prot (kg) -1.53 -0.441 0.68
Fertility Sub Index 0.72
Calving Interval (days) -0.21 -1.459 0.31
Survival (%) 0.37 1.117 0.41
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 1.05
Carcass Weight (kg) -3.80 -0.528 2.00
Age of Slaughter (days) 2.20 -0.432 -0.95
Maintenance Sub Index Maint. Sub Index 3.65
Live WT (kg) -11.90 -0.307 3.65
Total Carbon Sub Index 14.44

* Based on an €80/tonne carbon price