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 4.99
Milk (kg) -84.00 -0.014 1.18
Fat (kg) -5.22 -0.375 1.96
Prot (kg) -4.21 -0.441 1.86
Fertility Sub Index 7.30
Calving Interval (days) -4.03 -1.459 5.88
Survival (%) 1.27 1.117 1.42
Calving Sub Index -1.79
Gestation Length (days) 1.95 -0.919 -1.79
Beef Sub Index -4.81
Carcass Weight (kg) 7.90 -0.528 -4.17
Age of Slaughter (days) 1.49 -0.432 -0.64
Maintenance Sub Index Maint. Sub Index -1.35
Live WT (kg) 4.40 -0.307 -1.35
Total Carbon Sub Index 4.33

* Based on an €80/tonne carbon price