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 1.49
Milk (kg) -72.00 -0.014 1.01
Fat (kg) 0.82 -0.375 -0.31
Prot (kg) -1.79 -0.441 0.79
Fertility Sub Index 0.50
Calving Interval (days) -0.16 -1.459 0.23
Survival (%) 0.24 1.117 0.27
Calving Sub Index -0.37
Gestation Length (days) 0.40 -0.919 -0.37
Beef Sub Index 0.04
Carcass Weight (kg) -1.10 -0.528 0.58
Age of Slaughter (days) 1.25 -0.432 -0.54
Maintenance Sub Index Maint. Sub Index 1.10
Live WT (kg) -3.60 -0.307 1.10
Total Carbon Sub Index 2.77

* Based on an €80/tonne carbon price