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 5.27
Milk (kg) -124.00 -0.014 1.74
Fat (kg) -3.83 -0.375 1.43
Prot (kg) -4.75 -0.441 2.10
Fertility Sub Index 0.83
Calving Interval (days) -0.31 -1.459 0.45
Survival (%) 0.34 1.117 0.38
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index -0.06
Carcass Weight (kg) -2.90 -0.528 1.53
Age of Slaughter (days) 3.69 -0.432 -1.59
Maintenance Sub Index Maint. Sub Index 6.38
Live WT (kg) -20.80 -0.307 6.38
Total Carbon Sub Index 16.11

* Based on an €80/tonne carbon price