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 3.13
Milk (kg) -107.00 -0.014 1.50
Fat (kg) -1.12 -0.375 0.42
Prot (kg) -2.75 -0.441 1.21
Fertility Sub Index 1.46
Calving Interval (days) -0.62 -1.459 0.90
Survival (%) 0.50 1.117 0.56
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index -0.11
Carcass Weight (kg) -2.70 -0.528 1.42
Age of Slaughter (days) 3.55 -0.432 -1.53
Maintenance Sub Index Maint. Sub Index 6.25
Live WT (kg) -20.40 -0.307 6.25
Total Carbon Sub Index 14.43

* Based on an €80/tonne carbon price