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 6.52
Milk (kg) -26.00 -0.014 0.36
Fat (kg) -7.20 -0.375 2.70
Prot (kg) -7.83 -0.441 3.46
Fertility Sub Index 9.96
Calving Interval (days) -6.20 -1.459 9.05
Survival (%) 0.82 1.117 0.92
Calving Sub Index 0.28
Gestation Length (days) -0.30 -0.919 0.28
Beef Sub Index 0.69
Carcass Weight (kg) -1.10 -0.528 0.58
Age of Slaughter (days) -0.26 -0.432 0.11
Maintenance Sub Index Maint. Sub Index 2.58
Live WT (kg) -8.40 -0.307 2.58
Total Carbon Sub Index 20.02

* Based on an €80/tonne carbon price