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 4.15
Milk (kg) -63.00 -0.014 0.88
Fat (kg) -4.41 -0.375 1.65
Prot (kg) -3.67 -0.441 1.62
Fertility Sub Index 0.30
Calving Interval (days) 0.10 -1.459 -0.15
Survival (%) 0.40 1.117 0.45
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 0.26
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) 2.83 -0.432 -1.22
Maintenance Sub Index Maint. Sub Index 4.87
Live WT (kg) -15.90 -0.307 4.87
Total Carbon Sub Index 13.28

* Based on an €80/tonne carbon price