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 4.64
Milk (kg) -105.00 -0.014 1.47
Fat (kg) -2.84 -0.375 1.06
Prot (kg) -4.77 -0.441 2.11
Fertility Sub Index -0.05
Calving Interval (days) -0.02 -1.459 0.03
Survival (%) -0.07 1.117 -0.08
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.42
Carcass Weight (kg) -0.60 -0.528 0.32
Age of Slaughter (days) 1.70 -0.432 -0.73
Maintenance Sub Index Maint. Sub Index 0.86
Live WT (kg) -2.80 -0.307 0.86
Total Carbon Sub Index 4.56

* Based on an €80/tonne carbon price