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 0.39
Milk (kg) 2.00 -0.014 -0.03
Fat (kg) -0.13 -0.375 0.05
Prot (kg) -0.83 -0.441 0.37
Fertility Sub Index 0.67
Calving Interval (days) -0.45 -1.459 0.66
Survival (%) 0.01 1.117 0.01
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.02
Carcass Weight (kg) -1.50 -0.528 0.79
Age of Slaughter (days) 1.78 -0.432 -0.77
Maintenance Sub Index Maint. Sub Index 1.75
Live WT (kg) -5.70 -0.307 1.75
Total Carbon Sub Index 2.36

* Based on an €80/tonne carbon price