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 1.92
Milk (kg) -57.00 -0.014 0.80
Fat (kg) -0.98 -0.375 0.37
Prot (kg) -1.71 -0.441 0.75
Fertility Sub Index 0.68
Calving Interval (days) -0.25 -1.459 0.36
Survival (%) 0.28 1.117 0.31
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 0.07
Carcass Weight (kg) -3.30 -0.528 1.74
Age of Slaughter (days) 3.88 -0.432 -1.67
Maintenance Sub Index Maint. Sub Index 6.35
Live WT (kg) -20.70 -0.307 6.35
Total Carbon Sub Index 12.71

* Based on an €80/tonne carbon price