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 2.47
Milk (kg) -55.00 -0.014 0.77
Fat (kg) -2.15 -0.375 0.81
Prot (kg) -2.03 -0.441 0.90
Fertility Sub Index 1.20
Calving Interval (days) -0.43 -1.459 0.63
Survival (%) 0.51 1.117 0.57
Calving Sub Index 2.84
Gestation Length (days) -3.09 -0.919 2.84
Beef Sub Index 3.09
Carcass Weight (kg) -3.20 -0.528 1.69
Age of Slaughter (days) -3.24 -0.432 1.40
Maintenance Sub Index Maint. Sub Index 6.50
Live WT (kg) -21.20 -0.307 6.50
Total Carbon Sub Index 16.09

* Based on an €80/tonne carbon price