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 2.50
Milk (kg) -58.00 -0.014 0.81
Fat (kg) -0.45 -0.375 0.17
Prot (kg) -3.44 -0.441 1.52
Fertility Sub Index -2.04
Calving Interval (days) 1.65 -1.459 -2.41
Survival (%) 0.33 1.117 0.37
Calving Sub Index 2.90
Gestation Length (days) -3.16 -0.919 2.90
Beef Sub Index -1.37
Carcass Weight (kg) -0.20 -0.528 0.11
Age of Slaughter (days) 3.42 -0.432 -1.48
Maintenance Sub Index Maint. Sub Index 2.24
Live WT (kg) -7.30 -0.307 2.24
Total Carbon Sub Index 4.24

* Based on an €80/tonne carbon price