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 7.62
Milk (kg) -118.00 -0.014 1.65
Fat (kg) -9.74 -0.375 3.65
Prot (kg) -5.26 -0.441 2.32
Fertility Sub Index 3.05
Calving Interval (days) -1.71 -1.459 2.49
Survival (%) 0.50 1.117 0.56
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 1.83
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) -0.82 -0.432 0.35
Maintenance Sub Index Maint. Sub Index 6.25
Live WT (kg) -20.40 -0.307 6.25
Total Carbon Sub Index 22.45

* Based on an €80/tonne carbon price