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 13.83
Milk (kg) -105.00 -0.014 1.47
Fat (kg) -20.40 -0.375 7.64
Prot (kg) -10.70 -0.441 4.72
Fertility Sub Index 0.48
Calving Interval (days) 0.24 -1.459 -0.35
Survival (%) 0.74 1.117 0.83
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 1.53
Carcass Weight (kg) -3.70 -0.528 1.95
Age of Slaughter (days) 0.98 -0.432 -0.42
Maintenance Sub Index Maint. Sub Index 3.95
Live WT (kg) -12.90 -0.307 3.95
Total Carbon Sub Index 23.49

* Based on an €80/tonne carbon price