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 3.45
Milk (kg) -23.00 -0.014 0.32
Fat (kg) -3.39 -0.375 1.27
Prot (kg) -4.21 -0.441 1.86
Fertility Sub Index -0.03
Calving Interval (days) 0.19 -1.459 -0.28
Survival (%) 0.22 1.117 0.25
Calving Sub Index 0.46
Gestation Length (days) -0.50 -0.919 0.46
Beef Sub Index 1.10
Carcass Weight (kg) -3.60 -0.528 1.90
Age of Slaughter (days) 1.85 -0.432 -0.80
Maintenance Sub Index Maint. Sub Index 1.23
Live WT (kg) -4.00 -0.307 1.23
Total Carbon Sub Index 6.20

* Based on an €80/tonne carbon price