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 4.31
Milk (kg) -57.00 -0.014 0.80
Fat (kg) -4.18 -0.375 1.57
Prot (kg) -4.40 -0.441 1.94
Fertility Sub Index 0.77
Calving Interval (days) -0.56 -1.459 0.82
Survival (%) -0.04 1.117 -0.04
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.08
Carcass Weight (kg) -1.50 -0.528 0.79
Age of Slaughter (days) 1.65 -0.432 -0.71
Maintenance Sub Index Maint. Sub Index 1.99
Live WT (kg) -6.50 -0.307 1.99
Total Carbon Sub Index 6.68

* Based on an €80/tonne carbon price