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 5.55
Milk (kg) -121.00 -0.014 1.69
Fat (kg) -6.96 -0.375 2.61
Prot (kg) -2.83 -0.441 1.25
Fertility Sub Index 0.46
Calving Interval (days) -0.59 -1.459 0.86
Survival (%) -0.36 1.117 -0.40
Calving Sub Index -1.28
Gestation Length (days) 1.39 -0.919 -1.28
Beef Sub Index -2.43
Carcass Weight (kg) 2.70 -0.528 -1.42
Age of Slaughter (days) 2.32 -0.432 -1.00
Maintenance Sub Index Maint. Sub Index 0.03
Live WT (kg) -0.10 -0.307 0.03
Total Carbon Sub Index 2.34

* Based on an €80/tonne carbon price