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 2.77
Milk (kg) -74.00 -0.014 1.04
Fat (kg) -1.73 -0.375 0.65
Prot (kg) -2.47 -0.441 1.09
Fertility Sub Index 1.49
Calving Interval (days) -0.62 -1.459 0.90
Survival (%) 0.52 1.117 0.58
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 2.30
Carcass Weight (kg) -3.50 -0.528 1.85
Age of Slaughter (days) -1.04 -0.432 0.45
Maintenance Sub Index Maint. Sub Index 6.22
Live WT (kg) -20.30 -0.307 6.22
Total Carbon Sub Index 16.48

* Based on an €80/tonne carbon price