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 1.64
Milk (kg) -90.00 -0.014 1.26
Fat (kg) -0.68 -0.375 0.25
Prot (kg) -0.28 -0.441 0.12
Fertility Sub Index 0.70
Calving Interval (days) -0.27 -1.459 0.39
Survival (%) 0.27 1.117 0.30
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.04
Carcass Weight (kg) -1.20 -0.528 0.63
Age of Slaughter (days) 1.37 -0.432 -0.59
Maintenance Sub Index Maint. Sub Index 3.07
Live WT (kg) -10.00 -0.307 3.07
Total Carbon Sub Index 4.97

* Based on an €80/tonne carbon price