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 1.81
Milk (kg) -125.00 -0.014 1.75
Fat (kg) 1.61 -0.375 -0.60
Prot (kg) -1.50 -0.441 0.66
Fertility Sub Index -0.69
Calving Interval (days) 0.34 -1.459 -0.50
Survival (%) -0.17 1.117 -0.19
Calving Sub Index 1.65
Gestation Length (days) -1.80 -0.919 1.65
Beef Sub Index -0.75
Carcass Weight (kg) 1.70 -0.528 -0.90
Age of Slaughter (days) -0.35 -0.432 0.15
Maintenance Sub Index Maint. Sub Index 0.64
Live WT (kg) -2.10 -0.307 0.64
Total Carbon Sub Index 2.68

* Based on an €80/tonne carbon price