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 6.03
Milk (kg) -119.00 -0.014 1.67
Fat (kg) -5.37 -0.375 2.01
Prot (kg) -5.32 -0.441 2.35
Fertility Sub Index 2.27
Calving Interval (days) -0.77 -1.459 1.12
Survival (%) 1.03 1.117 1.15
Calving Sub Index 0.42
Gestation Length (days) -0.46 -0.919 0.42
Beef Sub Index -0.68
Carcass Weight (kg) 0.20 -0.528 -0.11
Age of Slaughter (days) 1.33 -0.432 -0.57
Maintenance Sub Index Maint. Sub Index -3.95
Live WT (kg) 12.90 -0.307 -3.95
Total Carbon Sub Index 4.09

* Based on an €80/tonne carbon price