Carbon Sub Index breakdown

Date of Evaluation Date of Eval. Index Trait PTA *Carbon Cost (€) Contribution Contrib.
PTA * Carbon Cost
May 2025 Milk Sub Index 3.90
Milk (kg) -74.00 -0.014 1.04
Fat (kg) -2.98 -0.375 1.12
Prot (kg) -3.96 -0.441 1.75
Fertility Sub Index -0.36
Calving Interval (days) 0.11 -1.459 -0.16
Survival (%) -0.18 1.117 -0.20
Calving Sub Index -0.40
Gestation Length (days) 0.44 -0.919 -0.40
Beef Sub Index 0.81
Carcass Weight (kg) -4.40 -0.528 2.32
Age of Slaughter (days) 3.49 -0.432 -1.51
Maintenance Sub Index Maint. Sub Index 0.28
Live WT (kg) -0.90 -0.307 0.28
Total Carbon Sub Index 4.22

* Based on an €80/tonne carbon price