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 3.33
Milk (kg) -68.00 -0.014 0.95
Fat (kg) -1.83 -0.375 0.69
Prot (kg) -3.83 -0.441 1.69
Fertility Sub Index 0.39
Calving Interval (days) -0.25 -1.459 0.36
Survival (%) 0.02 1.117 0.02
Calving Sub Index -0.36
Gestation Length (days) 0.39 -0.919 -0.36
Beef Sub Index 0.64
Carcass Weight (kg) -1.30 -0.528 0.69
Age of Slaughter (days) 0.10 -0.432 -0.04
Maintenance Sub Index Maint. Sub Index 2.39
Live WT (kg) -7.80 -0.307 2.39
Total Carbon Sub Index 6.38

* Based on an €80/tonne carbon price