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 2.09
Milk (kg) -80.00 -0.014 1.12
Fat (kg) -1.65 -0.375 0.62
Prot (kg) -0.79 -0.441 0.35
Fertility Sub Index 5.54
Calving Interval (days) -3.53 -1.459 5.15
Survival (%) 0.35 1.117 0.39
Calving Sub Index 0.25
Gestation Length (days) -0.27 -0.919 0.25
Beef Sub Index -0.10
Carcass Weight (kg) -1.30 -0.528 0.69
Age of Slaughter (days) 1.83 -0.432 -0.79
Maintenance Sub Index Maint. Sub Index -1.53
Live WT (kg) 5.00 -0.307 -1.53
Total Carbon Sub Index 6.25

* Based on an €80/tonne carbon price