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 3.54
Milk (kg) -107.00 -0.014 1.50
Fat (kg) -1.06 -0.375 0.40
Prot (kg) -3.72 -0.441 1.64
Fertility Sub Index -0.45
Calving Interval (days) 0.33 -1.459 -0.48
Survival (%) 0.03 1.117 0.03
Calving Sub Index 0.83
Gestation Length (days) -0.90 -0.919 0.83
Beef Sub Index -0.43
Carcass Weight (kg) -5.10 -0.528 2.69
Age of Slaughter (days) 7.23 -0.432 -3.12
Maintenance Sub Index Maint. Sub Index 7.89
Live WT (kg) -25.75 -0.307 7.89
Total Carbon Sub Index 11.38

* Based on an €80/tonne carbon price