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 4.14
Milk (kg) -28.00 -0.014 0.39
Fat (kg) -5.02 -0.375 1.88
Prot (kg) -4.23 -0.441 1.87
Fertility Sub Index -4.39
Calving Interval (days) 2.38 -1.459 -3.47
Survival (%) -0.82 1.117 -0.92
Calving Sub Index 0.30
Gestation Length (days) -0.33 -0.919 0.30
Beef Sub Index 0.77
Carcass Weight (kg) -4.30 -0.528 2.27
Age of Slaughter (days) 3.47 -0.432 -1.50
Maintenance Sub Index Maint. Sub Index 1.50
Live WT (kg) -4.90 -0.307 1.50
Total Carbon Sub Index 2.33

* Based on an €80/tonne carbon price