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 6.69
Milk (kg) -74.00 -0.014 1.04
Fat (kg) -6.55 -0.375 2.45
Prot (kg) -7.25 -0.441 3.20
Fertility Sub Index 1.05
Calving Interval (days) -1.05 -1.459 1.53
Survival (%) -0.43 1.117 -0.48
Calving Sub Index 0.93
Gestation Length (days) -1.01 -0.919 0.93
Beef Sub Index 0.16
Carcass Weight (kg) -1.50 -0.528 0.79
Age of Slaughter (days) 1.47 -0.432 -0.63
Maintenance Sub Index Maint. Sub Index 2.70
Live WT (kg) -8.80 -0.307 2.70
Total Carbon Sub Index 11.52

* Based on an €80/tonne carbon price