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 3.15
Milk (kg) -81.00 -0.014 1.13
Fat (kg) -2.06 -0.375 0.77
Prot (kg) -2.83 -0.441 1.25
Fertility Sub Index 1.88
Calving Interval (days) -1.06 -1.459 1.55
Survival (%) 0.30 1.117 0.34
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.21
Carcass Weight (kg) -0.90 -0.528 0.47
Age of Slaughter (days) 1.59 -0.432 -0.69
Maintenance Sub Index Maint. Sub Index 1.50
Live WT (kg) -4.90 -0.307 1.50
Total Carbon Sub Index 5.86

* Based on an €80/tonne carbon price