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 13.36
Milk (kg) -259.00 -0.014 3.63
Fat (kg) -13.47 -0.375 5.05
Prot (kg) -10.62 -0.441 4.69
Fertility Sub Index 3.67
Calving Interval (days) -3.15 -1.459 4.60
Survival (%) -0.83 1.117 -0.93
Calving Sub Index -1.57
Gestation Length (days) 1.71 -0.919 -1.57
Beef Sub Index 1.78
Carcass Weight (kg) -3.20 -0.528 1.69
Age of Slaughter (days) -0.21 -0.432 0.09
Maintenance Sub Index Maint. Sub Index 4.97
Live WT (kg) -16.20 -0.307 4.97
Total Carbon Sub Index 22.20

* Based on an €80/tonne carbon price