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 1.76
Milk (kg) -22.00 -0.014 0.31
Fat (kg) -1.04 -0.375 0.39
Prot (kg) -2.40 -0.441 1.06
Fertility Sub Index -5.75
Calving Interval (days) 2.96 -1.459 -4.32
Survival (%) -1.28 1.117 -1.43
Calving Sub Index -0.25
Gestation Length (days) 0.27 -0.919 -0.25
Beef Sub Index 0.71
Carcass Weight (kg) -1.90 -0.528 1.00
Age of Slaughter (days) 0.68 -0.432 -0.29
Maintenance Sub Index Maint. Sub Index 1.01
Live WT (kg) -3.30 -0.307 1.01
Total Carbon Sub Index -2.52

* Based on an €80/tonne carbon price