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 1.97
Milk (kg) -22.00 -0.014 0.31
Fat (kg) -1.83 -0.375 0.69
Prot (kg) -2.21 -0.441 0.98
Fertility Sub Index -0.70
Calving Interval (days) 0.31 -1.459 -0.45
Survival (%) -0.22 1.117 -0.25
Calving Sub Index -0.41
Gestation Length (days) 0.45 -0.919 -0.41
Beef Sub Index -0.63
Carcass Weight (kg) -1.65 -0.528 0.87
Age of Slaughter (days) 3.48 -0.432 -1.50
Maintenance Sub Index Maint. Sub Index 2.07
Live WT (kg) -6.75 -0.307 2.07
Total Carbon Sub Index 2.30

* Based on an €80/tonne carbon price