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 13.08
Milk (kg) -84.00 -0.014 1.18
Fat (kg) -16.43 -0.375 6.15
Prot (kg) -13.03 -0.441 5.75
Fertility Sub Index 5.60
Calving Interval (days) -3.60 -1.459 5.25
Survival (%) 0.31 1.117 0.35
Calving Sub Index 0.29
Gestation Length (days) -0.32 -0.919 0.29
Beef Sub Index 0.30
Carcass Weight (kg) -2.40 -0.528 1.27
Age of Slaughter (days) 2.23 -0.432 -0.96
Maintenance Sub Index Maint. Sub Index 4.20
Live WT (kg) -13.70 -0.307 4.20
Total Carbon Sub Index 23.47

* Based on an €80/tonne carbon price