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 0.90
Milk (kg) -17.00 -0.014 0.24
Fat (kg) -0.89 -0.375 0.33
Prot (kg) -0.74 -0.441 0.33
Fertility Sub Index 1.86
Calving Interval (days) -1.05 -1.459 1.53
Survival (%) 0.29 1.117 0.32
Calving Sub Index 1.10
Gestation Length (days) -1.20 -0.919 1.10
Beef Sub Index -0.33
Carcass Weight (kg) 0.70 -0.528 -0.37
Age of Slaughter (days) -0.08 -0.432 0.03
Maintenance Sub Index Maint. Sub Index -1.41
Live WT (kg) 4.60 -0.307 -1.41
Total Carbon Sub Index 2.11

* Based on an €80/tonne carbon price