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 4.60
Milk (kg) -191.00 -0.014 2.67
Fat (kg) 0.02 -0.375 -0.01
Prot (kg) -4.38 -0.441 1.93
Fertility Sub Index -0.30
Calving Interval (days) 0.09 -1.459 -0.13
Survival (%) -0.15 1.117 -0.17
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.40
Carcass Weight (kg) -2.70 -0.528 1.42
Age of Slaughter (days) 2.38 -0.432 -1.03
Maintenance Sub Index Maint. Sub Index 2.10
Live WT (kg) -6.85 -0.307 2.10
Total Carbon Sub Index 6.33

* Based on an €80/tonne carbon price