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 6.73
Milk (kg) -171.00 -0.014 2.39
Fat (kg) -4.55 -0.375 1.70
Prot (kg) -5.96 -0.441 2.63
Fertility Sub Index 0.80
Calving Interval (days) -0.28 -1.459 0.41
Survival (%) 0.35 1.117 0.39
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 0.59
Carcass Weight (kg) -2.70 -0.528 1.42
Age of Slaughter (days) 1.93 -0.432 -0.83
Maintenance Sub Index Maint. Sub Index 5.52
Live WT (kg) -18.00 -0.307 5.52
Total Carbon Sub Index 17.33

* Based on an €80/tonne carbon price