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 -1.92
Milk (kg) 25.00 -0.014 -0.35
Fat (kg) 2.77 -0.375 -1.04
Prot (kg) 1.20 -0.441 -0.53
Fertility Sub Index -1.84
Calving Interval (days) 1.03 -1.459 -1.50
Survival (%) -0.30 1.117 -0.34
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.61
Carcass Weight (kg) -2.50 -0.528 1.32
Age of Slaughter (days) 1.65 -0.432 -0.71
Maintenance Sub Index Maint. Sub Index 2.27
Live WT (kg) -7.40 -0.307 2.27
Total Carbon Sub Index -1.35

* Based on an €80/tonne carbon price