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 0.83
Milk (kg) -26.00 -0.014 0.36
Fat (kg) 1.70 -0.375 -0.64
Prot (kg) -2.50 -0.441 1.10
Fertility Sub Index -2.99
Calving Interval (days) 1.08 -1.459 -1.58
Survival (%) -1.27 1.117 -1.42
Calving Sub Index 0.28
Gestation Length (days) -0.30 -0.919 0.28
Beef Sub Index -0.34
Carcass Weight (kg) -2.00 -0.528 1.06
Age of Slaughter (days) 3.22 -0.432 -1.39
Maintenance Sub Index Maint. Sub Index 1.90
Live WT (kg) -6.20 -0.307 1.90
Total Carbon Sub Index -0.32

* Based on an €80/tonne carbon price