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 4.60
Milk (kg) -180.00 -0.014 2.52
Fat (kg) 0.64 -0.375 -0.24
Prot (kg) -5.25 -0.441 2.32
Fertility Sub Index 3.47
Calving Interval (days) -2.07 -1.459 3.02
Survival (%) 0.40 1.117 0.45
Calving Sub Index -0.36
Gestation Length (days) 0.39 -0.919 -0.36
Beef Sub Index 0.00
Carcass Weight (kg) -1.50 -0.528 0.79
Age of Slaughter (days) 1.84 -0.432 -0.79
Maintenance Sub Index Maint. Sub Index 2.42
Live WT (kg) -7.90 -0.307 2.42
Total Carbon Sub Index 10.12

* Based on an €80/tonne carbon price