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 1.15
Milk (kg) -18.00 -0.014 0.25
Fat (kg) -3.24 -0.375 1.21
Prot (kg) 0.72 -0.441 -0.32
Fertility Sub Index 2.96
Calving Interval (days) -1.49 -1.459 2.17
Survival (%) 0.70 1.117 0.78
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index -0.53
Carcass Weight (kg) -1.40 -0.528 0.74
Age of Slaughter (days) 2.94 -0.432 -1.27
Maintenance Sub Index Maint. Sub Index 5.95
Live WT (kg) -19.40 -0.307 5.95
Total Carbon Sub Index 13.21

* Based on an €80/tonne carbon price