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 10.12
Milk (kg) -150.00 -0.014 2.10
Fat (kg) -5.45 -0.375 2.04
Prot (kg) -13.55 -0.441 5.98
Fertility Sub Index 0.35
Calving Interval (days) -0.75 -1.459 1.09
Survival (%) -0.67 1.117 -0.75
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.37
Carcass Weight (kg) -2.50 -0.528 1.32
Age of Slaughter (days) 2.20 -0.432 -0.95
Maintenance Sub Index Maint. Sub Index 1.96
Live WT (kg) -6.40 -0.307 1.96
Total Carbon Sub Index 12.33

* Based on an €80/tonne carbon price