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 7.85
Milk (kg) -217.00 -0.014 3.04
Fat (kg) -4.90 -0.375 1.84
Prot (kg) -6.74 -0.441 2.97
Fertility Sub Index 7.08
Calving Interval (days) -3.23 -1.459 4.71
Survival (%) 2.12 1.117 2.37
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.32
Carcass Weight (kg) -3.50 -0.528 1.85
Age of Slaughter (days) 1.22 -0.432 -0.53
Maintenance Sub Index Maint. Sub Index 4.69
Live WT (kg) -15.30 -0.307 4.69
Total Carbon Sub Index 24.75

* Based on an €80/tonne carbon price