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 2.59
Milk (kg) -11.00 -0.014 0.15
Fat (kg) -2.99 -0.375 1.12
Prot (kg) -2.99 -0.441 1.32
Fertility Sub Index 3.30
Calving Interval (days) -1.38 -1.459 2.01
Survival (%) 1.15 1.117 1.28
Calving Sub Index 0.60
Gestation Length (days) -0.65 -0.919 0.60
Beef Sub Index 0.54
Carcass Weight (kg) -4.10 -0.528 2.16
Age of Slaughter (days) 3.76 -0.432 -1.62
Maintenance Sub Index Maint. Sub Index 0.31
Live WT (kg) -1.00 -0.307 0.31
Total Carbon Sub Index 7.34

* Based on an €80/tonne carbon price