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 2.27
Milk (kg) -28.00 -0.014 0.39
Fat (kg) -2.09 -0.375 0.78
Prot (kg) -2.48 -0.441 1.09
Fertility Sub Index -0.40
Calving Interval (days) 0.02 -1.459 -0.03
Survival (%) -0.33 1.117 -0.37
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.36
Carcass Weight (kg) -2.10 -0.528 1.11
Age of Slaughter (days) 1.73 -0.432 -0.75
Maintenance Sub Index Maint. Sub Index 1.75
Live WT (kg) -5.70 -0.307 1.75
Total Carbon Sub Index 3.51

* Based on an €80/tonne carbon price