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 1.58
Milk (kg) -55.00 -0.014 0.77
Fat (kg) -0.53 -0.375 0.20
Prot (kg) -1.39 -0.441 0.61
Fertility Sub Index 0.72
Calving Interval (days) -0.28 -1.459 0.41
Survival (%) 0.28 1.117 0.31
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index -0.24
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) 3.97 -0.432 -1.71
Maintenance Sub Index Maint. Sub Index 6.28
Live WT (kg) -20.50 -0.307 6.28
Total Carbon Sub Index 12.05

* Based on an €80/tonne carbon price