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 5.44
Milk (kg) -123.00 -0.014 1.72
Fat (kg) -3.68 -0.375 1.38
Prot (kg) -5.30 -0.441 2.34
Fertility Sub Index 3.34
Calving Interval (days) -1.05 -1.459 1.53
Survival (%) 1.62 1.117 1.81
Calving Sub Index 0.28
Gestation Length (days) -0.31 -0.919 0.28
Beef Sub Index 1.12
Carcass Weight (kg) -2.50 -0.528 1.32
Age of Slaughter (days) 0.45 -0.432 -0.19
Maintenance Sub Index Maint. Sub Index 3.40
Live WT (kg) -11.10 -0.307 3.40
Total Carbon Sub Index 13.60

* Based on an €80/tonne carbon price