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 7.35
Milk (kg) -110.00 -0.014 1.54
Fat (kg) -6.78 -0.375 2.54
Prot (kg) -7.40 -0.441 3.27
Fertility Sub Index -0.34
Calving Interval (days) 0.15 -1.459 -0.22
Survival (%) -0.11 1.117 -0.12
Calving Sub Index -0.08
Gestation Length (days) 0.09 -0.919 -0.08
Beef Sub Index 0.26
Carcass Weight (kg) -2.40 -0.528 1.27
Age of Slaughter (days) 2.32 -0.432 -1.00
Maintenance Sub Index Maint. Sub Index -1.50
Live WT (kg) 4.90 -0.307 -1.50
Total Carbon Sub Index 5.68

* Based on an €80/tonne carbon price