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 2.74
Milk (kg) -42.00 -0.014 0.59
Fat (kg) -2.74 -0.375 1.03
Prot (kg) -2.54 -0.441 1.12
Fertility Sub Index 1.42
Calving Interval (days) -0.55 -1.459 0.80
Survival (%) 0.55 1.117 0.61
Calving Sub Index 2.84
Gestation Length (days) -3.09 -0.919 2.84
Beef Sub Index 2.93
Carcass Weight (kg) -3.20 -0.528 1.69
Age of Slaughter (days) -2.88 -0.432 1.24
Maintenance Sub Index Maint. Sub Index 6.53
Live WT (kg) -21.30 -0.307 6.53
Total Carbon Sub Index 16.45

* Based on an €80/tonne carbon price